CVE-2023-52833 (GCVE-0-2023-52833)
Vulnerability from cvelistv5 – Published: 2024-05-21 15:31 – Updated: 2026-05-11 19:33
VLAI
EPSS
VEX
Title
Bluetooth: btusb: Add date->evt_skb is NULL check
Summary
In the Linux kernel, the following vulnerability has been resolved:
Bluetooth: btusb: Add date->evt_skb is NULL check
fix crash because of null pointers
[ 6104.969662] BUG: kernel NULL pointer dereference, address: 00000000000000c8
[ 6104.969667] #PF: supervisor read access in kernel mode
[ 6104.969668] #PF: error_code(0x0000) - not-present page
[ 6104.969670] PGD 0 P4D 0
[ 6104.969673] Oops: 0000 [#1] SMP NOPTI
[ 6104.969684] RIP: 0010:btusb_mtk_hci_wmt_sync+0x144/0x220 [btusb]
[ 6104.969688] RSP: 0018:ffffb8d681533d48 EFLAGS: 00010246
[ 6104.969689] RAX: 0000000000000000 RBX: ffff8ad560bb2000 RCX: 0000000000000006
[ 6104.969691] RDX: 0000000000000000 RSI: ffffb8d681533d08 RDI: 0000000000000000
[ 6104.969692] RBP: ffffb8d681533d70 R08: 0000000000000001 R09: 0000000000000001
[ 6104.969694] R10: 0000000000000001 R11: 00000000fa83b2da R12: ffff8ad461d1d7c0
[ 6104.969695] R13: 0000000000000000 R14: ffff8ad459618c18 R15: ffffb8d681533d90
[ 6104.969697] FS: 00007f5a1cab9d40(0000) GS:ffff8ad578200000(0000) knlGS:00000
[ 6104.969699] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6104.969700] CR2: 00000000000000c8 CR3: 000000018620c001 CR4: 0000000000760ef0
[ 6104.969701] PKRU: 55555554
[ 6104.969702] Call Trace:
[ 6104.969708] btusb_mtk_shutdown+0x44/0x80 [btusb]
[ 6104.969732] hci_dev_do_close+0x470/0x5c0 [bluetooth]
[ 6104.969748] hci_rfkill_set_block+0x56/0xa0 [bluetooth]
[ 6104.969753] rfkill_set_block+0x92/0x160
[ 6104.969755] rfkill_fop_write+0x136/0x1e0
[ 6104.969759] __vfs_write+0x18/0x40
[ 6104.969761] vfs_write+0xdf/0x1c0
[ 6104.969763] ksys_write+0xb1/0xe0
[ 6104.969765] __x64_sys_write+0x1a/0x20
[ 6104.969769] do_syscall_64+0x51/0x180
[ 6104.969771] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 6104.969773] RIP: 0033:0x7f5a21f18fef
[ 6104.9] RSP: 002b:00007ffeefe39010 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[ 6104.969780] RAX: ffffffffffffffda RBX: 000055c10a7560a0 RCX: 00007f5a21f18fef
[ 6104.969781] RDX: 0000000000000008 RSI: 00007ffeefe39060 RDI: 0000000000000012
[ 6104.969782] RBP: 00007ffeefe39060 R08: 0000000000000000 R09: 0000000000000017
[ 6104.969784] R10: 00007ffeefe38d97 R11: 0000000000000293 R12: 0000000000000002
[ 6104.969785] R13: 00007ffeefe39220 R14: 00007ffeefe391a0 R15: 000055c10a72acf0
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-05-22 20:52 UTC
Assigner
References
6 references
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
a1c49c434e15050b5dafe3b6f5cc732d4f02d657 , < 9f8e4d1a4ca1179aaeb43f91f3e2a386e7e616b3
(git)
Affected: a1c49c434e15050b5dafe3b6f5cc732d4f02d657 , < f9de14bde56dcbb0765284c6dfc35842b021733c (git) Affected: a1c49c434e15050b5dafe3b6f5cc732d4f02d657 , < a556f2ef556a04790f67f2fa272f1a77336d15a0 (git) Affected: a1c49c434e15050b5dafe3b6f5cc732d4f02d657 , < 0048ddf045bddc4dacb3e783fd869a2f8fb5be30 (git) Affected: a1c49c434e15050b5dafe3b6f5cc732d4f02d657 , < 13b1ebad4c175e6a9b0748acbf133c21a15d282a (git) Affected: a1c49c434e15050b5dafe3b6f5cc732d4f02d657 , < 624820f7c8826dd010e8b1963303c145f99816e9 (git) |
guessed | |
| Linux | Linux |
Affected:
5.3
Unaffected: 0 , < 5.3 (semver) Unaffected: 5.10.202 , ≤ 5.10.* (semver) Unaffected: 5.15.140 , ≤ 5.15.* (semver) Unaffected: 6.1.64 , ≤ 6.1.* (semver) Unaffected: 6.5.13 , ≤ 6.5.* (semver) Unaffected: 6.6.3 , ≤ 6.6.* (semver) Unaffected: 6.7 , ≤ * (original_commit_for_fix) |
guessed |
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"title": "Bluetooth: btusb: Add date-\u003eevt_skb is NULL check",
"x_generator": {
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{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: Bluetooth: btusb: Agregar fecha-\u0026gt;evt_skb es un fallo de correcci\u00f3n de verificaci\u00f3n NULL debido a punteros nulos [6104.969662] BUG: desreferencia del puntero NULL del kernel, direcci\u00f3n: 00000000000000c8 [6104.969667] #PF: supervisor acceso de lectura en modo kernel [6104.969668] #PF: error_code(0x0000) - p\u00e1gina no presente [6104.969670] PGD 0 P4D 0 [6104.969673] Ups: 0000 [#1] SMP NOPTI [6104.969684] RIP: k_hci_wmt_sync+0x144/ 0x220 [btusb] [ 6104.969688] RSP: 0018:ffffb8d681533d48 EFLAGS: 00010246 [ 6104.969689] RAX: 00000000000000000 RBX: ffff8ad560bb2000 RCX: 0000000006 [ 6104.969691] RDX: 00000000000000000 RSI: ffffb8d681533d08 RDI: 0000000000000000 [ 6104.969692] RBP: ffffb8d681533d70 R08: 000000000001 R09: 0000000000000001 [ 6104.969694] R10: 0000000000000001 R11: 00000000fa83b2da R12: ffff8ad461d1d7c0 [ 6104.969695] R13: 000000000000000 0 R14: ffff8ad459618c18 R15: ffffb8d681533d90 [ 6104.969697] FS: 00007f5a1cab9d40(0000) GS:ffff8ad578200000(0000) knlGS:00000 [ 6104.969699] CS: 0010DS : 0000 ES: 0000 CR0: 0000000080050033 [ 6104.969700] CR2: 00000000000000c8 CR3: 000000018620c001 CR4: 0000000000760ef0 [ 6104.969701] : 55555554 [6104.969702] Seguimiento de llamadas: [6104.969708] btusb_mtk_shutdown+0x44/0x80 [btusb] [6104.969732] hci_dev_do_close+0x470/ 0x5c0 [bluetooth] [ 6104.969748] hci_rfkill_set_block+0x56/0xa0 [bluetooth] [ 6104.969753] rfkill_set_block+0x92/0x160 [ 6104.969755] rfkill_fop_write+0x136/0x1e0 [ 6104.9 69759] __vfs_write+0x18/0x40 [ 6104.969761] vfs_write+0xdf/0x1c0 [ 6104.969763] ksys_write+0xb1/0xe0 [ 6104.969765] __x64_sys_write+0x1a/0x20 [ 6104.969769] do_syscall_64+0x51/0x180 [ 6104.969771] Entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 6104.969773] RIP: 0033:0x7f5a21f18fef [ 6104.9] RSP: 002b:00007ffeefe39010 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 6104.969780] RAX: ffffffffffffffda RBX: 000055c10a7560a0 RCX: 00007f5a21f18fef [ 6104.969781] RDX: 0000000000000008 RSI: 0007ffeefe39060 RDI: 0000000000000012 [ 6104.969782] RBP: 00007ffeefe39060 R08: 00000000000000000 R09: 0000000000000017 [ 6104.969784] 00007ffeefe38d97 R11: 0000000000000293 R12: 0000000000000002 [ 6104.969785] R13: 00007ffeefe39220 R14: 00007ffeefe391a0 R15: 000055c10a72acf0"
}
],
"id": "CVE-2023-52833",
"lastModified": "2024-12-31T20:09:52.303",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2024-05-21T16:15:20.883",
"references": [
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"url": "https://git.kernel.org/stable/c/13b1ebad4c175e6a9b0748acbf133c21a15d282a"
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"url": "https://git.kernel.org/stable/c/0048ddf045bddc4dacb3e783fd869a2f8fb5be30"
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"url": "https://git.kernel.org/stable/c/13b1ebad4c175e6a9b0748acbf133c21a15d282a"
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"url": "https://git.kernel.org/stable/c/624820f7c8826dd010e8b1963303c145f99816e9"
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{
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"tags": [
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"url": "https://git.kernel.org/stable/c/9f8e4d1a4ca1179aaeb43f91f3e2a386e7e616b3"
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{
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"tags": [
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"url": "https://git.kernel.org/stable/c/a556f2ef556a04790f67f2fa272f1a77336d15a0"
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{
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"tags": [
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"url": "https://git.kernel.org/stable/c/f9de14bde56dcbb0765284c6dfc35842b021733c"
}
],
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-476"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/bluetooth/btusb.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "9f8e4d1a4ca1179aaeb43f91f3e2a386e7e616b3",
"status": "affected",
"version": "a1c49c434e15050b5dafe3b6f5cc732d4f02d657",
"versionType": "git"
},
{
"lessThan": "f9de14bde56dcbb0765284c6dfc35842b021733c",
"status": "affected",
"version": "a1c49c434e15050b5dafe3b6f5cc732d4f02d657",
"versionType": "git"
},
{
"lessThan": "a556f2ef556a04790f67f2fa272f1a77336d15a0",
"status": "affected",
"version": "a1c49c434e15050b5dafe3b6f5cc732d4f02d657",
"versionType": "git"
},
{
"lessThan": "0048ddf045bddc4dacb3e783fd869a2f8fb5be30",
"status": "affected",
"version": "a1c49c434e15050b5dafe3b6f5cc732d4f02d657",
"versionType": "git"
},
{
"lessThan": "13b1ebad4c175e6a9b0748acbf133c21a15d282a",
"status": "affected",
"version": "a1c49c434e15050b5dafe3b6f5cc732d4f02d657",
"versionType": "git"
},
{
"lessThan": "624820f7c8826dd010e8b1963303c145f99816e9",
"status": "affected",
"version": "a1c49c434e15050b5dafe3b6f5cc732d4f02d657",
"versionType": "git"
}
]
},
{
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"product": "Linux",
"programFiles": [
"drivers/bluetooth/btusb.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "5.3"
},
{
"lessThan": "5.3",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"version": "5.10.202",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"version": "5.15.140",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.64",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.5.*",
"status": "unaffected",
"version": "6.5.13",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.3",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.7",
"versionType": "original_commit_for_fix"
}
]
}
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"matchCriteriaId": "FF5E31E1-4DDB-480A-966E-3470C98B932E",
"versionEndExcluding": "5.10.202",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"matchCriteriaId": "15D6C23C-78A3-40D2-B76B-4F1D9C2D95C0",
"versionEndExcluding": "5.15.140",
"versionStartIncluding": "5.11",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"matchCriteriaId": "8D7C884A-CAA2-4EA2-9FEB-5CE776D7B05F",
"versionEndExcluding": "6.1.64",
"versionStartIncluding": "5.16",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"matchCriteriaId": "674C4F82-C336-4B49-BF64-1DE422E889C4",
"versionEndExcluding": "6.5.13",
"versionStartIncluding": "6.2",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"matchCriteriaId": "B58252FA-A49C-411F-9B28-DC5FE44BC5A0",
"versionEndExcluding": "6.6.3",
"versionStartIncluding": "6.6",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: btusb: Add date-\u003eevt_skb is NULL check\n\nfix crash because of null pointers\n\n[ 6104.969662] BUG: kernel NULL pointer dereference, address: 00000000000000c8\n[ 6104.969667] #PF: supervisor read access in kernel mode\n[ 6104.969668] #PF: error_code(0x0000) - not-present page\n[ 6104.969670] PGD 0 P4D 0\n[ 6104.969673] Oops: 0000 [#1] SMP NOPTI\n[ 6104.969684] RIP: 0010:btusb_mtk_hci_wmt_sync+0x144/0x220 [btusb]\n[ 6104.969688] RSP: 0018:ffffb8d681533d48 EFLAGS: 00010246\n[ 6104.969689] RAX: 0000000000000000 RBX: ffff8ad560bb2000 RCX: 0000000000000006\n[ 6104.969691] RDX: 0000000000000000 RSI: ffffb8d681533d08 RDI: 0000000000000000\n[ 6104.969692] RBP: ffffb8d681533d70 R08: 0000000000000001 R09: 0000000000000001\n[ 6104.969694] R10: 0000000000000001 R11: 00000000fa83b2da R12: ffff8ad461d1d7c0\n[ 6104.969695] R13: 0000000000000000 R14: ffff8ad459618c18 R15: ffffb8d681533d90\n[ 6104.969697] FS: 00007f5a1cab9d40(0000) GS:ffff8ad578200000(0000) knlGS:00000\n[ 6104.969699] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[ 6104.969700] CR2: 00000000000000c8 CR3: 000000018620c001 CR4: 0000000000760ef0\n[ 6104.969701] PKRU: 55555554\n[ 6104.969702] Call Trace:\n[ 6104.969708] btusb_mtk_shutdown+0x44/0x80 [btusb]\n[ 6104.969732] hci_dev_do_close+0x470/0x5c0 [bluetooth]\n[ 6104.969748] hci_rfkill_set_block+0x56/0xa0 [bluetooth]\n[ 6104.969753] rfkill_set_block+0x92/0x160\n[ 6104.969755] rfkill_fop_write+0x136/0x1e0\n[ 6104.969759] __vfs_write+0x18/0x40\n[ 6104.969761] vfs_write+0xdf/0x1c0\n[ 6104.969763] ksys_write+0xb1/0xe0\n[ 6104.969765] __x64_sys_write+0x1a/0x20\n[ 6104.969769] do_syscall_64+0x51/0x180\n[ 6104.969771] entry_SYSCALL_64_after_hwframe+0x44/0xa9\n[ 6104.969773] RIP: 0033:0x7f5a21f18fef\n[ 6104.9] RSP: 002b:00007ffeefe39010 EFLAGS: 00000293 ORIG_RAX: 0000000000000001\n[ 6104.969780] RAX: ffffffffffffffda RBX: 000055c10a7560a0 RCX: 00007f5a21f18fef\n[ 6104.969781] RDX: 0000000000000008 RSI: 00007ffeefe39060 RDI: 0000000000000012\n[ 6104.969782] RBP: 00007ffeefe39060 R08: 0000000000000000 R09: 0000000000000017\n[ 6104.969784] R10: 00007ffeefe38d97 R11: 0000000000000293 R12: 0000000000000002\n[ 6104.969785] R13: 00007ffeefe39220 R14: 00007ffeefe391a0 R15: 000055c10a72acf0"
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: Bluetooth: btusb: Agregar fecha-\u0026gt;evt_skb es un fallo de correcci\u00f3n de verificaci\u00f3n NULL debido a punteros nulos [6104.969662] BUG: desreferencia del puntero NULL del kernel, direcci\u00f3n: 00000000000000c8 [6104.969667] #PF: supervisor acceso de lectura en modo kernel [6104.969668] #PF: error_code(0x0000) - p\u00e1gina no presente [6104.969670] PGD 0 P4D 0 [6104.969673] Ups: 0000 [#1] SMP NOPTI [6104.969684] RIP: k_hci_wmt_sync+0x144/ 0x220 [btusb] [ 6104.969688] RSP: 0018:ffffb8d681533d48 EFLAGS: 00010246 [ 6104.969689] RAX: 00000000000000000 RBX: ffff8ad560bb2000 RCX: 0000000006 [ 6104.969691] RDX: 00000000000000000 RSI: ffffb8d681533d08 RDI: 0000000000000000 [ 6104.969692] RBP: ffffb8d681533d70 R08: 000000000001 R09: 0000000000000001 [ 6104.969694] R10: 0000000000000001 R11: 00000000fa83b2da R12: ffff8ad461d1d7c0 [ 6104.969695] R13: 000000000000000 0 R14: ffff8ad459618c18 R15: ffffb8d681533d90 [ 6104.969697] FS: 00007f5a1cab9d40(0000) GS:ffff8ad578200000(0000) knlGS:00000 [ 6104.969699] CS: 0010DS : 0000 ES: 0000 CR0: 0000000080050033 [ 6104.969700] CR2: 00000000000000c8 CR3: 000000018620c001 CR4: 0000000000760ef0 [ 6104.969701] : 55555554 [6104.969702] Seguimiento de llamadas: [6104.969708] btusb_mtk_shutdown+0x44/0x80 [btusb] [6104.969732] hci_dev_do_close+0x470/ 0x5c0 [bluetooth] [ 6104.969748] hci_rfkill_set_block+0x56/0xa0 [bluetooth] [ 6104.969753] rfkill_set_block+0x92/0x160 [ 6104.969755] rfkill_fop_write+0x136/0x1e0 [ 6104.9 69759] __vfs_write+0x18/0x40 [ 6104.969761] vfs_write+0xdf/0x1c0 [ 6104.969763] ksys_write+0xb1/0xe0 [ 6104.969765] __x64_sys_write+0x1a/0x20 [ 6104.969769] do_syscall_64+0x51/0x180 [ 6104.969771] Entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 6104.969773] RIP: 0033:0x7f5a21f18fef [ 6104.9] RSP: 002b:00007ffeefe39010 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 6104.969780] RAX: ffffffffffffffda RBX: 000055c10a7560a0 RCX: 00007f5a21f18fef [ 6104.969781] RDX: 0000000000000008 RSI: 0007ffeefe39060 RDI: 0000000000000012 [ 6104.969782] RBP: 00007ffeefe39060 R08: 00000000000000000 R09: 0000000000000017 [ 6104.969784] 00007ffeefe38d97 R11: 0000000000000293 R12: 0000000000000002 [ 6104.969785] R13: 00007ffeefe39220 R14: 00007ffeefe391a0 R15: 000055c10a72acf0"
}
],
"id": "CVE-2023-52833",
"lastModified": "2026-06-17T06:43:41.273",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2023-52833",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-05-22T20:52:00.965162Z",
"version": "2.0.3"
}
}
]
},
"published": "2024-05-21T16:15:20.883",
"references": [
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"tags": [
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"url": "https://git.kernel.org/stable/c/0048ddf045bddc4dacb3e783fd869a2f8fb5be30"
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"url": "https://git.kernel.org/stable/c/9f8e4d1a4ca1179aaeb43f91f3e2a386e7e616b3"
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{
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"tags": [
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"url": "https://git.kernel.org/stable/c/a556f2ef556a04790f67f2fa272f1a77336d15a0"
},
{
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"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/f9de14bde56dcbb0765284c6dfc35842b021733c"
}
],
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-476"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"aggregate_severity": "Low",
"current_release_date": "2026-06-28T06:49:17+00:00",
"cve": "CVE-2023-52833",
"id": "CVE-2023-52833",
"initial_release_date": "2023-01-01T00:00:00+00:00",
"product_status:fixed": "280",
"product_status:known_affected": "112",
"product_status:known_not_affected": "8",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: Bluetooth: btusb: Add date-\u003eevt_skb is NULL check",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-52833.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-09-18T01:06:30Z",
"cve": "CVE-2023-52833",
"id": "CVE-2023-52833",
"initial_release_date": "2024-05-29T14:19:09Z",
"product_status:known_affected": "308",
"product_status:known_not_affected": "178",
"product_status:recommended": "805",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2023-52833",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2023-52833.json",
"version": "104"
},
"vulnrichment": {
"containers": {
"adp": [
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"providerMetadata": {
"dateUpdated": "2024-08-02T23:11:35.958Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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"references": [
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],
"url": "https://git.kernel.org/stable/c/9f8e4d1a4ca1179aaeb43f91f3e2a386e7e616b3"
},
{
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"url": "https://git.kernel.org/stable/c/f9de14bde56dcbb0765284c6dfc35842b021733c"
},
{
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"url": "https://git.kernel.org/stable/c/a556f2ef556a04790f67f2fa272f1a77336d15a0"
},
{
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"title": "CVE Program Container"
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{
"metrics": [
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"options": [
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"role": "CISA Coordinator",
"timestamp": "2024-05-22T20:52:00.965162Z",
"version": "2.0.3"
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
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"product": "Linux",
"programFiles": [
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"versions": [
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},
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],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "5.3"
},
{
"lessThan": "5.3",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"version": "5.10.202",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"version": "5.15.140",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.64",
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},
{
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"status": "unaffected",
"version": "6.5.13",
"versionType": "semver"
},
{
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"status": "unaffected",
"version": "6.6.3",
"versionType": "semver"
},
{
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"status": "unaffected",
"version": "6.7",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.10.202",
"versionStartIncluding": "5.3",
"vulnerable": true
},
{
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"versionStartIncluding": "5.3",
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"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: btusb: Add date-\u003eevt_skb is NULL check\n\nfix crash because of null pointers\n\n[ 6104.969662] BUG: kernel NULL pointer dereference, address: 00000000000000c8\n[ 6104.969667] #PF: supervisor read access in kernel mode\n[ 6104.969668] #PF: error_code(0x0000) - not-present page\n[ 6104.969670] PGD 0 P4D 0\n[ 6104.969673] Oops: 0000 [#1] SMP NOPTI\n[ 6104.969684] RIP: 0010:btusb_mtk_hci_wmt_sync+0x144/0x220 [btusb]\n[ 6104.969688] RSP: 0018:ffffb8d681533d48 EFLAGS: 00010246\n[ 6104.969689] RAX: 0000000000000000 RBX: ffff8ad560bb2000 RCX: 0000000000000006\n[ 6104.969691] RDX: 0000000000000000 RSI: ffffb8d681533d08 RDI: 0000000000000000\n[ 6104.969692] RBP: ffffb8d681533d70 R08: 0000000000000001 R09: 0000000000000001\n[ 6104.969694] R10: 0000000000000001 R11: 00000000fa83b2da R12: ffff8ad461d1d7c0\n[ 6104.969695] R13: 0000000000000000 R14: ffff8ad459618c18 R15: ffffb8d681533d90\n[ 6104.969697] FS: 00007f5a1cab9d40(0000) GS:ffff8ad578200000(0000) knlGS:00000\n[ 6104.969699] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[ 6104.969700] CR2: 00000000000000c8 CR3: 000000018620c001 CR4: 0000000000760ef0\n[ 6104.969701] PKRU: 55555554\n[ 6104.969702] Call Trace:\n[ 6104.969708] btusb_mtk_shutdown+0x44/0x80 [btusb]\n[ 6104.969732] hci_dev_do_close+0x470/0x5c0 [bluetooth]\n[ 6104.969748] hci_rfkill_set_block+0x56/0xa0 [bluetooth]\n[ 6104.969753] rfkill_set_block+0x92/0x160\n[ 6104.969755] rfkill_fop_write+0x136/0x1e0\n[ 6104.969759] __vfs_write+0x18/0x40\n[ 6104.969761] vfs_write+0xdf/0x1c0\n[ 6104.969763] ksys_write+0xb1/0xe0\n[ 6104.969765] __x64_sys_write+0x1a/0x20\n[ 6104.969769] do_syscall_64+0x51/0x180\n[ 6104.969771] entry_SYSCALL_64_after_hwframe+0x44/0xa9\n[ 6104.969773] RIP: 0033:0x7f5a21f18fef\n[ 6104.9] RSP: 002b:00007ffeefe39010 EFLAGS: 00000293 ORIG_RAX: 0000000000000001\n[ 6104.969780] RAX: ffffffffffffffda RBX: 000055c10a7560a0 RCX: 00007f5a21f18fef\n[ 6104.969781] RDX: 0000000000000008 RSI: 00007ffeefe39060 RDI: 0000000000000012\n[ 6104.969782] RBP: 00007ffeefe39060 R08: 0000000000000000 R09: 0000000000000017\n[ 6104.969784] R10: 00007ffeefe38d97 R11: 0000000000000293 R12: 0000000000000002\n[ 6104.969785] R13: 00007ffeefe39220 R14: 00007ffeefe391a0 R15: 000055c10a72acf0"
}
],
"providerMetadata": {
"dateUpdated": "2026-01-05T10:17:45.527Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
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"url": "https://git.kernel.org/stable/c/9f8e4d1a4ca1179aaeb43f91f3e2a386e7e616b3"
},
{
"url": "https://git.kernel.org/stable/c/f9de14bde56dcbb0765284c6dfc35842b021733c"
},
{
"url": "https://git.kernel.org/stable/c/a556f2ef556a04790f67f2fa272f1a77336d15a0"
},
{
"url": "https://git.kernel.org/stable/c/0048ddf045bddc4dacb3e783fd869a2f8fb5be30"
},
{
"url": "https://git.kernel.org/stable/c/13b1ebad4c175e6a9b0748acbf133c21a15d282a"
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{
"url": "https://git.kernel.org/stable/c/624820f7c8826dd010e8b1963303c145f99816e9"
}
],
"title": "Bluetooth: btusb: Add date-\u003eevt_skb is NULL check",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2023-52833",
"datePublished": "2024-05-21T15:31:34.915Z",
"dateReserved": "2024-05-21T15:19:24.252Z",
"dateUpdated": "2026-01-05T10:17:45.527Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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