FKIE_CVE-2024-40980
Vulnerability from fkie_nvd - Published: 2024-07-12 13:15 - Updated: 2026-08-04 11:19
Severity
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
5.5 (Medium) - CVSS:3.1/
Summary
In the Linux kernel, the following vulnerability has been resolved:
drop_monitor: replace spin_lock by raw_spin_lock
trace_drop_common() is called with preemption disabled, and it acquires
a spin_lock. This is problematic for RT kernels because spin_locks are
sleeping locks in this configuration, which causes the following splat:
BUG: sleeping function called from invalid context at kernel/locking/spinlock_rt.c:48
in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 449, name: rcuc/47
preempt_count: 1, expected: 0
RCU nest depth: 2, expected: 2
5 locks held by rcuc/47/449:
#0: ff1100086ec30a60 ((softirq_ctrl.lock)){+.+.}-{2:2}, at: __local_bh_disable_ip+0x105/0x210
#1: ffffffffb394a280 (rcu_read_lock){....}-{1:2}, at: rt_spin_lock+0xbf/0x130
#2: ffffffffb394a280 (rcu_read_lock){....}-{1:2}, at: __local_bh_disable_ip+0x11c/0x210
#3: ffffffffb394a160 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x360/0xc70
#4: ff1100086ee07520 (&data->lock){+.+.}-{2:2}, at: trace_drop_common.constprop.0+0xb5/0x290
irq event stamp: 139909
hardirqs last enabled at (139908): [<ffffffffb1df2b33>] _raw_spin_unlock_irqrestore+0x63/0x80
hardirqs last disabled at (139909): [<ffffffffb19bd03d>] trace_drop_common.constprop.0+0x26d/0x290
softirqs last enabled at (139892): [<ffffffffb07a1083>] __local_bh_enable_ip+0x103/0x170
softirqs last disabled at (139898): [<ffffffffb0909b33>] rcu_cpu_kthread+0x93/0x1f0
Preemption disabled at:
[<ffffffffb1de786b>] rt_mutex_slowunlock+0xab/0x2e0
CPU: 47 PID: 449 Comm: rcuc/47 Not tainted 6.9.0-rc2-rt1+ #7
Hardware name: Dell Inc. PowerEdge R650/0Y2G81, BIOS 1.6.5 04/15/2022
Call Trace:
<TASK>
dump_stack_lvl+0x8c/0xd0
dump_stack+0x14/0x20
__might_resched+0x21e/0x2f0
rt_spin_lock+0x5e/0x130
? trace_drop_common.constprop.0+0xb5/0x290
? skb_queue_purge_reason.part.0+0x1bf/0x230
trace_drop_common.constprop.0+0xb5/0x290
? preempt_count_sub+0x1c/0xd0
? _raw_spin_unlock_irqrestore+0x4a/0x80
? __pfx_trace_drop_common.constprop.0+0x10/0x10
? rt_mutex_slowunlock+0x26a/0x2e0
? skb_queue_purge_reason.part.0+0x1bf/0x230
? __pfx_rt_mutex_slowunlock+0x10/0x10
? skb_queue_purge_reason.part.0+0x1bf/0x230
trace_kfree_skb_hit+0x15/0x20
trace_kfree_skb+0xe9/0x150
kfree_skb_reason+0x7b/0x110
skb_queue_purge_reason.part.0+0x1bf/0x230
? __pfx_skb_queue_purge_reason.part.0+0x10/0x10
? mark_lock.part.0+0x8a/0x520
...
trace_drop_common() also disables interrupts, but this is a minor issue
because we could easily replace it with a local_lock.
Replace the spin_lock with raw_spin_lock to avoid sleeping in atomic
context.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * |
{
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"net/core/drop_monitor.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
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"status": "affected",
"version": "4ea7e38696c7e798c47ebbecadfd392f23f814f9",
"versionType": "git"
},
{
"lessThan": "96941f29ebcc1e9cbf570dc903f30374909562f5",
"status": "affected",
"version": "4ea7e38696c7e798c47ebbecadfd392f23f814f9",
"versionType": "git"
},
{
"lessThan": "b3722fb69468693555f531cddda5c30444726dac",
"status": "affected",
"version": "4ea7e38696c7e798c47ebbecadfd392f23f814f9",
"versionType": "git"
},
{
"lessThan": "f251ccef1d864790e5253386e95544420b7cd8f3",
"status": "affected",
"version": "4ea7e38696c7e798c47ebbecadfd392f23f814f9",
"versionType": "git"
},
{
"lessThan": "76ce2f9125244e1708d29c1d3f9d1d50b347bda0",
"status": "affected",
"version": "4ea7e38696c7e798c47ebbecadfd392f23f814f9",
"versionType": "git"
},
{
"lessThan": "07ea878684dfb78a9d4f564c39d07e855a9e242e",
"status": "affected",
"version": "4ea7e38696c7e798c47ebbecadfd392f23f814f9",
"versionType": "git"
},
{
"lessThan": "f1e197a665c2148ebc25fe09c53689e60afea195",
"status": "affected",
"version": "4ea7e38696c7e798c47ebbecadfd392f23f814f9",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"net/core/drop_monitor.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "2.6.31"
},
{
"lessThan": "2.6.31",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.4.*",
"status": "unaffected",
"version": "5.4.279",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"version": "5.10.221",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"version": "5.15.162",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.96",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.36",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.9.*",
"status": "unaffected",
"version": "6.9.7",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.10",
"versionType": "original_commit_for_fix"
}
]
}
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"affectedData": [
{
"defaultStatus": "unknown",
"product": "RUGGEDCOM RST2428P",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V3.1",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "RUGGEDCOM RST2428P",
"vendor": "Siemens",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family",
"vendor": "Siemens",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family",
"vendor": "Siemens",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE XCM-/XRM-/XCH-/XRH-300 family",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V3.1",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE XCM-/XRM-/XCH-/XRH-300 family",
"vendor": "Siemens",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SIMATIC S7-1500 TM MFP - GNU/Linux subsystem",
"vendor": "Siemens",
"versions": [
{
"lessThan": "*",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
}
],
"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"matchCriteriaId": "5EBA530D-458E-447C-8744-13D4429CCC4A",
"versionEndExcluding": "5.4.279",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"matchCriteriaId": "659E1520-6345-41AF-B893-A7C0647585A0",
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{
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"matchCriteriaId": "10A39ACC-3005-40E8-875C-98A372D1FFD5",
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{
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"matchCriteriaId": "61E887B4-732A-40D2-9983-CC6F281EBFB7",
"versionEndExcluding": "6.1.96",
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{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"matchCriteriaId": "E1046C95-860A-45B0-B718-2B29F65BFF10",
"versionEndExcluding": "6.6.36",
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{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"matchCriteriaId": "0A047AF2-94AC-4A3A-B32D-6AB930D8EF1C",
"versionEndExcluding": "6.9.7",
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],
"negate": false,
"operator": "OR"
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],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrop_monitor: replace spin_lock by raw_spin_lock\n\ntrace_drop_common() is called with preemption disabled, and it acquires\na spin_lock. This is problematic for RT kernels because spin_locks are\nsleeping locks in this configuration, which causes the following splat:\n\nBUG: sleeping function called from invalid context at kernel/locking/spinlock_rt.c:48\nin_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 449, name: rcuc/47\npreempt_count: 1, expected: 0\nRCU nest depth: 2, expected: 2\n5 locks held by rcuc/47/449:\n #0: ff1100086ec30a60 ((softirq_ctrl.lock)){+.+.}-{2:2}, at: __local_bh_disable_ip+0x105/0x210\n #1: ffffffffb394a280 (rcu_read_lock){....}-{1:2}, at: rt_spin_lock+0xbf/0x130\n #2: ffffffffb394a280 (rcu_read_lock){....}-{1:2}, at: __local_bh_disable_ip+0x11c/0x210\n #3: ffffffffb394a160 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x360/0xc70\n #4: ff1100086ee07520 (\u0026data-\u003elock){+.+.}-{2:2}, at: trace_drop_common.constprop.0+0xb5/0x290\nirq event stamp: 139909\nhardirqs last enabled at (139908): [\u003cffffffffb1df2b33\u003e] _raw_spin_unlock_irqrestore+0x63/0x80\nhardirqs last disabled at (139909): [\u003cffffffffb19bd03d\u003e] trace_drop_common.constprop.0+0x26d/0x290\nsoftirqs last enabled at (139892): [\u003cffffffffb07a1083\u003e] __local_bh_enable_ip+0x103/0x170\nsoftirqs last disabled at (139898): [\u003cffffffffb0909b33\u003e] rcu_cpu_kthread+0x93/0x1f0\nPreemption disabled at:\n[\u003cffffffffb1de786b\u003e] rt_mutex_slowunlock+0xab/0x2e0\nCPU: 47 PID: 449 Comm: rcuc/47 Not tainted 6.9.0-rc2-rt1+ #7\nHardware name: Dell Inc. PowerEdge R650/0Y2G81, BIOS 1.6.5 04/15/2022\nCall Trace:\n \u003cTASK\u003e\n dump_stack_lvl+0x8c/0xd0\n dump_stack+0x14/0x20\n __might_resched+0x21e/0x2f0\n rt_spin_lock+0x5e/0x130\n ? trace_drop_common.constprop.0+0xb5/0x290\n ? skb_queue_purge_reason.part.0+0x1bf/0x230\n trace_drop_common.constprop.0+0xb5/0x290\n ? preempt_count_sub+0x1c/0xd0\n ? _raw_spin_unlock_irqrestore+0x4a/0x80\n ? __pfx_trace_drop_common.constprop.0+0x10/0x10\n ? rt_mutex_slowunlock+0x26a/0x2e0\n ? skb_queue_purge_reason.part.0+0x1bf/0x230\n ? __pfx_rt_mutex_slowunlock+0x10/0x10\n ? skb_queue_purge_reason.part.0+0x1bf/0x230\n trace_kfree_skb_hit+0x15/0x20\n trace_kfree_skb+0xe9/0x150\n kfree_skb_reason+0x7b/0x110\n skb_queue_purge_reason.part.0+0x1bf/0x230\n ? __pfx_skb_queue_purge_reason.part.0+0x10/0x10\n ? mark_lock.part.0+0x8a/0x520\n...\n\ntrace_drop_common() also disables interrupts, but this is a minor issue\nbecause we could easily replace it with a local_lock.\n\nReplace the spin_lock with raw_spin_lock to avoid sleeping in atomic\ncontext."
},
{
"lang": "es",
"value": "En el kernel de Linux se ha resuelto la siguiente vulnerabilidad: drop_monitor: reemplaza spin_lock por raw_spin_lock Se llama a trace_drop_common() con la preferencia deshabilitada y adquiere un spin_lock. Esto es problem\u00e1tico para los kernels RT porque los spin_locks son bloqueos inactivos en esta configuraci\u00f3n, lo que provoca el siguiente s\u00edmbolo: ERROR: funci\u00f3n inactiva llamada desde un contexto no v\u00e1lido en kernel/locking/spinlock_rt.c:48 in_atomic(): 1, irqs_disabled(): 1 , non_block: 0, pid: 449, nombre: rcuc/47 preempt_count: 1, esperado: 0 Profundidad del nido de RCU: 2, esperado: 2 5 bloqueos retenidos por rcuc/47/449: #0: ff1100086ec30a60 ((softirq_ctrl.lock) ){+.+.}-{2:2}, en: __local_bh_disable_ip+0x105/0x210 #1: fffffffffb394a280 (rcu_read_lock){....}-{1:2}, en: rt_spin_lock+0xbf/0x130 #2 : ffffffffb394a280 (rcu_read_lock){....}-{1:2}, en: __local_bh_disable_ip+0x11c/0x210 #3: ffffffffb394a160 (rcu_callback){....}-{0:0}, en: rcu_do_batch+0x360 /0xc70 #4: ff1100086ee07520 (\u0026amp;data-\u0026gt;lock){+.+.}-{2:2}, en: trace_drop_common.constprop.0+0xb5/0x290 sello de evento irq: 139909 hardirqs habilitado por \u00faltima vez en (139908): [ ] _raw_spin_unlock_irqrestore+0x63/0x80 hardirqs deshabilitado por \u00faltima vez en (139909): [] trace_drop_common.constprop.0+0x26d/0x290 softirqs habilitado por \u00faltima vez en (139892): [ ] __local_bh_enable_ip+0x103/0x170 softirqs \u00faltimamente deshabilitado en (139898): [] rcu_cpu_kthread+0x93/0x1f0 Prelaci\u00f3n deshabilitada en: [] rt_mutex_slowunlock+0xab/0x2e0 CPU: 47 PID: 449 Comm: rcuc/47 No contaminado 6.9.0-rc2 - rt1+ #7 Nombre del hardware: Dell Inc. PowerEdge R650/0Y2G81, BIOS 1.6.5 15/04/2022 Seguimiento de llamadas: dump_stack_lvl+0x8c/0xd0 dump_stack+0x14/0x20 __might_resched+0x21e/0x2f0 rt_spin_lock+0x5e/0x130 ? trace_drop_common.constprop.0+0xb5/0x290? skb_queue_purge_reason.part.0+0x1bf/0x230 trace_drop_common.constprop.0+0xb5/0x290 ? preempt_count_sub+0x1c/0xd0? _raw_spin_unlock_irqrestore+0x4a/0x80? __pfx_trace_drop_common.constprop.0+0x10/0x10? rt_mutex_slowunlock+0x26a/0x2e0? skb_queue_purge_reason.part.0+0x1bf/0x230? __pfx_rt_mutex_slowunlock+0x10/0x10? skb_queue_purge_reason.part.0+0x1bf/0x230 trace_kfree_skb_hit+0x15/0x20 trace_kfree_skb+0xe9/0x150 kfree_skb_reason+0x7b/0x110 skb_queue_purge_reason.part.0+0x1bf/0x230 ? __pfx_skb_queue_purge_reason.part.0+0x10/0x10 ? mark_lock.part.0+0x8a/0x520 ... trace_drop_common() tambi\u00e9n desactiva las interrupciones, pero este es un problema menor porque podr\u00edamos reemplazarlo f\u00e1cilmente con local_lock. Reemplace spin_lock con raw_spin_lock para evitar dormir en un contexto at\u00f3mico."
}
],
"id": "CVE-2024-40980",
"lastModified": "2026-08-04T11:19:11.910",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6,
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"type": "Secondary"
},
{
"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-2024-40980",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-09-10T17:02:23.500077Z",
"version": "2.0.3"
}
}
]
},
"published": "2024-07-12T13:15:19.550",
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"Patch"
],
"url": "https://git.kernel.org/stable/c/96941f29ebcc1e9cbf570dc903f30374909562f5"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/b3722fb69468693555f531cddda5c30444726dac"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/f1e197a665c2148ebc25fe09c53689e60afea195"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/f251ccef1d864790e5253386e95544420b7cd8f3"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"
},
{
"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
"url": "https://cert-portal.siemens.com/productcert/html/ssa-265688.html"
},
{
"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
"url": "https://cert-portal.siemens.com/productcert/html/ssa-355557.html"
},
{
"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
"url": "https://cert-portal.siemens.com/productcert/html/ssa-613116.html"
}
],
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-667"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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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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