CVE-2025-37876 (GCVE-0-2025-37876)

Vulnerability from cvelistv5 – Published: 2025-05-09 06:45 – Updated: 2026-05-11 21:16
VLAI
Title
netfs: Only create /proc/fs/netfs with CONFIG_PROC_FS
Summary
In the Linux kernel, the following vulnerability has been resolved: netfs: Only create /proc/fs/netfs with CONFIG_PROC_FS When testing a special config: CONFIG_NETFS_SUPPORTS=y CONFIG_PROC_FS=n The system crashes with something like: [ 3.766197] ------------[ cut here ]------------ [ 3.766484] kernel BUG at mm/mempool.c:560! [ 3.766789] Oops: invalid opcode: 0000 [#1] SMP NOPTI [ 3.767123] CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Tainted: G W [ 3.767777] Tainted: [W]=WARN [ 3.767968] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), [ 3.768523] RIP: 0010:mempool_alloc_slab.cold+0x17/0x19 [ 3.768847] Code: 50 fe ff 58 5b 5d 41 5c 41 5d 41 5e 41 5f e9 93 95 13 00 [ 3.769977] RSP: 0018:ffffc90000013998 EFLAGS: 00010286 [ 3.770315] RAX: 000000000000002f RBX: ffff888100ba8640 RCX: 0000000000000000 [ 3.770749] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 00000000ffffffff [ 3.771217] RBP: 0000000000092880 R08: 0000000000000000 R09: ffffc90000013828 [ 3.771664] R10: 0000000000000001 R11: 00000000ffffffea R12: 0000000000092cc0 [ 3.772117] R13: 0000000000000400 R14: ffff8881004b1620 R15: ffffea0004ef7e40 [ 3.772554] FS: 0000000000000000(0000) GS:ffff8881b5f3c000(0000) knlGS:0000000000000000 [ 3.773061] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3.773443] CR2: ffffffff830901b4 CR3: 0000000004296001 CR4: 0000000000770ef0 [ 3.773884] PKRU: 55555554 [ 3.774058] Call Trace: [ 3.774232] <TASK> [ 3.774371] mempool_alloc_noprof+0x6a/0x190 [ 3.774649] ? _printk+0x57/0x80 [ 3.774862] netfs_alloc_request+0x85/0x2ce [ 3.775147] netfs_readahead+0x28/0x170 [ 3.775395] read_pages+0x6c/0x350 [ 3.775623] ? srso_alias_return_thunk+0x5/0xfbef5 [ 3.775928] page_cache_ra_unbounded+0x1bd/0x2a0 [ 3.776247] filemap_get_pages+0x139/0x970 [ 3.776510] ? srso_alias_return_thunk+0x5/0xfbef5 [ 3.776820] filemap_read+0xf9/0x580 [ 3.777054] ? srso_alias_return_thunk+0x5/0xfbef5 [ 3.777368] ? srso_alias_return_thunk+0x5/0xfbef5 [ 3.777674] ? find_held_lock+0x32/0x90 [ 3.777929] ? netfs_start_io_read+0x19/0x70 [ 3.778221] ? netfs_start_io_read+0x19/0x70 [ 3.778489] ? srso_alias_return_thunk+0x5/0xfbef5 [ 3.778800] ? lock_acquired+0x1e6/0x450 [ 3.779054] ? srso_alias_return_thunk+0x5/0xfbef5 [ 3.779379] netfs_buffered_read_iter+0x57/0x80 [ 3.779670] __kernel_read+0x158/0x2c0 [ 3.779927] bprm_execve+0x300/0x7a0 [ 3.780185] kernel_execve+0x10c/0x140 [ 3.780423] ? __pfx_kernel_init+0x10/0x10 [ 3.780690] kernel_init+0xd5/0x150 [ 3.780910] ret_from_fork+0x2d/0x50 [ 3.781156] ? __pfx_kernel_init+0x10/0x10 [ 3.781414] ret_from_fork_asm+0x1a/0x30 [ 3.781677] </TASK> [ 3.781823] Modules linked in: [ 3.782065] ---[ end trace 0000000000000000 ]--- This is caused by the following error path in netfs_init(): if (!proc_mkdir("fs/netfs", NULL)) goto error_proc; Fix this by adding ifdef in netfs_main(), so that /proc/fs/netfs is only created with CONFIG_PROC_FS.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 7eb5b3e3a0a55f2d166ca949ef47ca6e0c704aab , < 2ef6eea2efce01d1956ace483216f6b6e26330c9 (git)
Affected: 7eb5b3e3a0a55f2d166ca949ef47ca6e0c704aab , < 6c4c5e0b96a90f2a11c378e66edc1f25165e10b6 (git)
Affected: 7eb5b3e3a0a55f2d166ca949ef47ca6e0c704aab , < 40cb48eba3b4b79e110c1a35d33a48cac54507a2 (git)
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Linux Linux Affected: 6.8
Unaffected: 0 , < 6.8 (semver)
Unaffected: 6.12.26 , ≤ 6.12.* (semver)
Unaffected: 6.14.5 , ≤ 6.14.* (semver)
Unaffected: 6.15 , ≤ * (original_commit_for_fix)
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/netfs/main.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "2ef6eea2efce01d1956ace483216f6b6e26330c9",
              "status": "affected",
              "version": "7eb5b3e3a0a55f2d166ca949ef47ca6e0c704aab",
              "versionType": "git"
            },
            {
              "lessThan": "6c4c5e0b96a90f2a11c378e66edc1f25165e10b6",
              "status": "affected",
              "version": "7eb5b3e3a0a55f2d166ca949ef47ca6e0c704aab",
              "versionType": "git"
            },
            {
              "lessThan": "40cb48eba3b4b79e110c1a35d33a48cac54507a2",
              "status": "affected",
              "version": "7eb5b3e3a0a55f2d166ca949ef47ca6e0c704aab",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/netfs/main.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.8"
            },
            {
              "lessThan": "6.8",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.26",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.14.*",
              "status": "unaffected",
              "version": "6.14.5",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.15",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.26",
                  "versionStartIncluding": "6.8",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.14.5",
                  "versionStartIncluding": "6.8",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.15",
                  "versionStartIncluding": "6.8",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfs: Only create /proc/fs/netfs with CONFIG_PROC_FS\n\nWhen testing a special config:\n\nCONFIG_NETFS_SUPPORTS=y\nCONFIG_PROC_FS=n\n\nThe system crashes with something like:\n\n[    3.766197] ------------[ cut here ]------------\n[    3.766484] kernel BUG at mm/mempool.c:560!\n[    3.766789] Oops: invalid opcode: 0000 [#1] SMP NOPTI\n[    3.767123] CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Tainted: G        W\n[    3.767777] Tainted: [W]=WARN\n[    3.767968] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996),\n[    3.768523] RIP: 0010:mempool_alloc_slab.cold+0x17/0x19\n[    3.768847] Code: 50 fe ff 58 5b 5d 41 5c 41 5d 41 5e 41 5f e9 93 95 13 00\n[    3.769977] RSP: 0018:ffffc90000013998 EFLAGS: 00010286\n[    3.770315] RAX: 000000000000002f RBX: ffff888100ba8640 RCX: 0000000000000000\n[    3.770749] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 00000000ffffffff\n[    3.771217] RBP: 0000000000092880 R08: 0000000000000000 R09: ffffc90000013828\n[    3.771664] R10: 0000000000000001 R11: 00000000ffffffea R12: 0000000000092cc0\n[    3.772117] R13: 0000000000000400 R14: ffff8881004b1620 R15: ffffea0004ef7e40\n[    3.772554] FS:  0000000000000000(0000) GS:ffff8881b5f3c000(0000) knlGS:0000000000000000\n[    3.773061] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[    3.773443] CR2: ffffffff830901b4 CR3: 0000000004296001 CR4: 0000000000770ef0\n[    3.773884] PKRU: 55555554\n[    3.774058] Call Trace:\n[    3.774232]  \u003cTASK\u003e\n[    3.774371]  mempool_alloc_noprof+0x6a/0x190\n[    3.774649]  ? _printk+0x57/0x80\n[    3.774862]  netfs_alloc_request+0x85/0x2ce\n[    3.775147]  netfs_readahead+0x28/0x170\n[    3.775395]  read_pages+0x6c/0x350\n[    3.775623]  ? srso_alias_return_thunk+0x5/0xfbef5\n[    3.775928]  page_cache_ra_unbounded+0x1bd/0x2a0\n[    3.776247]  filemap_get_pages+0x139/0x970\n[    3.776510]  ? srso_alias_return_thunk+0x5/0xfbef5\n[    3.776820]  filemap_read+0xf9/0x580\n[    3.777054]  ? srso_alias_return_thunk+0x5/0xfbef5\n[    3.777368]  ? srso_alias_return_thunk+0x5/0xfbef5\n[    3.777674]  ? find_held_lock+0x32/0x90\n[    3.777929]  ? netfs_start_io_read+0x19/0x70\n[    3.778221]  ? netfs_start_io_read+0x19/0x70\n[    3.778489]  ? srso_alias_return_thunk+0x5/0xfbef5\n[    3.778800]  ? lock_acquired+0x1e6/0x450\n[    3.779054]  ? srso_alias_return_thunk+0x5/0xfbef5\n[    3.779379]  netfs_buffered_read_iter+0x57/0x80\n[    3.779670]  __kernel_read+0x158/0x2c0\n[    3.779927]  bprm_execve+0x300/0x7a0\n[    3.780185]  kernel_execve+0x10c/0x140\n[    3.780423]  ? __pfx_kernel_init+0x10/0x10\n[    3.780690]  kernel_init+0xd5/0x150\n[    3.780910]  ret_from_fork+0x2d/0x50\n[    3.781156]  ? __pfx_kernel_init+0x10/0x10\n[    3.781414]  ret_from_fork_asm+0x1a/0x30\n[    3.781677]  \u003c/TASK\u003e\n[    3.781823] Modules linked in:\n[    3.782065] ---[ end trace 0000000000000000 ]---\n\nThis is caused by the following error path in netfs_init():\n\n        if (!proc_mkdir(\"fs/netfs\", NULL))\n                goto error_proc;\n\nFix this by adding ifdef in netfs_main(), so that /proc/fs/netfs is only\ncreated with CONFIG_PROC_FS."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T21:16:49.243Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/2ef6eea2efce01d1956ace483216f6b6e26330c9"
        },
        {
          "url": "https://git.kernel.org/stable/c/6c4c5e0b96a90f2a11c378e66edc1f25165e10b6"
        },
        {
          "url": "https://git.kernel.org/stable/c/40cb48eba3b4b79e110c1a35d33a48cac54507a2"
        }
      ],
      "title": "netfs: Only create /proc/fs/netfs with CONFIG_PROC_FS",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-37876",
    "datePublished": "2025-05-09T06:45:40.934Z",
    "dateReserved": "2025-04-16T04:51:23.960Z",
    "dateUpdated": "2026-05-11T21:16:49.243Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2025-37876",
      "date": "2026-07-23",
      "epss": "0.00226",
      "percentile": "0.13427"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-37876\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-05-09T07:16:08.790\",\"lastModified\":\"2026-06-17T09:15:36.993\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnetfs: Only create /proc/fs/netfs with CONFIG_PROC_FS\\n\\nWhen testing a special config:\\n\\nCONFIG_NETFS_SUPPORTS=y\\nCONFIG_PROC_FS=n\\n\\nThe system crashes with something like:\\n\\n[    3.766197] ------------[ cut here ]------------\\n[    3.766484] kernel BUG at mm/mempool.c:560!\\n[    3.766789] Oops: invalid opcode: 0000 [#1] SMP NOPTI\\n[    3.767123] CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Tainted: G        W\\n[    3.767777] Tainted: [W]=WARN\\n[    3.767968] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996),\\n[    3.768523] RIP: 0010:mempool_alloc_slab.cold+0x17/0x19\\n[    3.768847] Code: 50 fe ff 58 5b 5d 41 5c 41 5d 41 5e 41 5f e9 93 95 13 00\\n[    3.769977] RSP: 0018:ffffc90000013998 EFLAGS: 00010286\\n[    3.770315] RAX: 000000000000002f RBX: ffff888100ba8640 RCX: 0000000000000000\\n[    3.770749] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 00000000ffffffff\\n[    3.771217] RBP: 0000000000092880 R08: 0000000000000000 R09: ffffc90000013828\\n[    3.771664] R10: 0000000000000001 R11: 00000000ffffffea R12: 0000000000092cc0\\n[    3.772117] R13: 0000000000000400 R14: ffff8881004b1620 R15: ffffea0004ef7e40\\n[    3.772554] FS:  0000000000000000(0000) GS:ffff8881b5f3c000(0000) knlGS:0000000000000000\\n[    3.773061] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\\n[    3.773443] CR2: ffffffff830901b4 CR3: 0000000004296001 CR4: 0000000000770ef0\\n[    3.773884] PKRU: 55555554\\n[    3.774058] Call Trace:\\n[    3.774232]  \u003cTASK\u003e\\n[    3.774371]  mempool_alloc_noprof+0x6a/0x190\\n[    3.774649]  ? _printk+0x57/0x80\\n[    3.774862]  netfs_alloc_request+0x85/0x2ce\\n[    3.775147]  netfs_readahead+0x28/0x170\\n[    3.775395]  read_pages+0x6c/0x350\\n[    3.775623]  ? srso_alias_return_thunk+0x5/0xfbef5\\n[    3.775928]  page_cache_ra_unbounded+0x1bd/0x2a0\\n[    3.776247]  filemap_get_pages+0x139/0x970\\n[    3.776510]  ? srso_alias_return_thunk+0x5/0xfbef5\\n[    3.776820]  filemap_read+0xf9/0x580\\n[    3.777054]  ? srso_alias_return_thunk+0x5/0xfbef5\\n[    3.777368]  ? srso_alias_return_thunk+0x5/0xfbef5\\n[    3.777674]  ? find_held_lock+0x32/0x90\\n[    3.777929]  ? netfs_start_io_read+0x19/0x70\\n[    3.778221]  ? netfs_start_io_read+0x19/0x70\\n[    3.778489]  ? srso_alias_return_thunk+0x5/0xfbef5\\n[    3.778800]  ? lock_acquired+0x1e6/0x450\\n[    3.779054]  ? srso_alias_return_thunk+0x5/0xfbef5\\n[    3.779379]  netfs_buffered_read_iter+0x57/0x80\\n[    3.779670]  __kernel_read+0x158/0x2c0\\n[    3.779927]  bprm_execve+0x300/0x7a0\\n[    3.780185]  kernel_execve+0x10c/0x140\\n[    3.780423]  ? __pfx_kernel_init+0x10/0x10\\n[    3.780690]  kernel_init+0xd5/0x150\\n[    3.780910]  ret_from_fork+0x2d/0x50\\n[    3.781156]  ? __pfx_kernel_init+0x10/0x10\\n[    3.781414]  ret_from_fork_asm+0x1a/0x30\\n[    3.781677]  \u003c/TASK\u003e\\n[    3.781823] Modules linked in:\\n[    3.782065] ---[ end trace 0000000000000000 ]---\\n\\nThis is caused by the following error path in netfs_init():\\n\\n        if (!proc_mkdir(\\\"fs/netfs\\\", NULL))\\n                goto error_proc;\\n\\nFix this by adding ifdef in netfs_main(), so that /proc/fs/netfs is only\\ncreated with CONFIG_PROC_FS.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: netfs: Solo crea /proc/fs/netfs con CONFIG_PROC_FS Al probar una configuraci\u00f3n especial: CONFIG_NETFS_SUPPORTS=y CONFIG_PROC_FS=n El sistema se bloquea con algo como: [ 3.766197] ------------[ corte aqu\u00ed ]------------ [ 3.766484] \u00a1ERROR del kernel en mm/mempool.c:560! [ 3.766789] Oops: c\u00f3digo de operaci\u00f3n no v\u00e1lido: 0000 [#1] SMP NOPTI [ 3.767123] CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Contaminado: GW [ 3.767777] Contaminado: [W]=WARN [ 3.767968] Nombre del hardware: QEMU Standard PC (i440FX + PIIX, 1996), [ 3.768523] RIP: 0010:mempool_alloc_slab.cold+0x17/0x19 [ 3.768847] C\u00f3digo: 50 fe ff 58 5b 5d 41 5c 41 5d 41 5e 41 5f e9 93 95 13 00 [ 3.769977] RSP: 0018:ffffc90000013998 EFLAGS: 00010286 [3.770315] RAX: 000000000000002f RBX: ffff888100ba8640 RCX: 0000000000000000 [3.770749] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 000000000ffffffff [3.771217] RBP: 0000000000092880 R08: 000000000000000 R09: ffffc90000013828 [3.771664] R10: 0000000000000001 R11: 00000000ffffffea R12: 0000000000092cc0 [3.772117] R13: 0000000000000400 R14: ffff8881004b1620 R15: ffffea0004ef7e40 [3.772554] FS: 0000000000000000(0000) GS:ffff8881b5f3c000(0000) knlGS:0000000000000000 [3.773061] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3.773443] CR2: ffffffff830901b4 CR3: 0000000004296001 CR4: 0000000000770ef0 [ 3.773884] PKRU: 55555554 [ 3.774058] Seguimiento de llamadas: [ 3.774232]  [ 3.774371] mempool_alloc_noprof+0x6a/0x190 [ 3.774649] ? _printk+0x57/0x80 [ 3.774862] netfs_alloc_request+0x85/0x2ce [ 3.775147] netfs_readahead+0x28/0x170 [ 3.775395] read_pages+0x6c/0x350 [ 3.775623] ? srso_alias_return_thunk+0x5/0xfbef5 [ 3.775928] page_cache_ra_unbounded+0x1bd/0x2a0 [ 3.776247] filemap_get_pages+0x139/0x970 [ 3.776510] ? srso_alias_return_thunk+0x5/0xfbef5 [ 3.776820] filemap_read+0xf9/0x580 [ 3.777054] ? srso_alias_return_thunk+0x5/0xfbef5 [ 3.777368] ? srso_alias_return_thunk+0x5/0xfbef5 [ 3.777674] ? find_held_lock+0x32/0x90 [ 3.777929] ? netfs_start_io_read+0x19/0x70 [ 3.778221] ? netfs_start_io_read+0x19/0x70 [ 3.778489] ? srso_alias_return_thunk+0x5/0xfbef5 [ 3.778800] ? lock_acquired+0x1e6/0x450 [ 3.779054] ? srso_alias_return_thunk+0x5/0xfbef5 [ 3.779379] netfs_buffered_read_iter+0x57/0x80 [ 3.779670] __kernel_read+0x158/0x2c0 [ 3.779927] bprm_execve+0x300/0x7a0 [ 3.780185] kernel_execve+0x10c/0x140 [ 3.780423] ? __pfx_kernel_init+0x10/0x10 [ 3.780690] kernel_init+0xd5/0x150 [ 3.780910] ret_from_fork+0x2d/0x50 [ 3.781156] ? __pfx_kernel_init+0x10/0x10 [ 3.781414] ret_from_fork_asm+0x1a/0x30 [ 3.781677]  [ 3.781823] Modules linked in: [ 3.782065] ---[ fin de seguimiento 0000000000000000 ]--- Esto se debe a la siguiente ruta de error en netfs_init(): if (!proc_mkdir(\\\"fs/netfs\\\", NULL)) goto error_proc; Solucione esto agregando ifdef en netfs_main(), de modo que /proc/fs/netfs solo se cree con CONFIG_PROC_FS.\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"fs/netfs/main.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"7eb5b3e3a0a55f2d166ca949ef47ca6e0c704aab\",\"lessThan\":\"2ef6eea2efce01d1956ace483216f6b6e26330c9\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"7eb5b3e3a0a55f2d166ca949ef47ca6e0c704aab\",\"lessThan\":\"6c4c5e0b96a90f2a11c378e66edc1f25165e10b6\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"7eb5b3e3a0a55f2d166ca949ef47ca6e0c704aab\",\"lessThan\":\"40cb48eba3b4b79e110c1a35d33a48cac54507a2\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"fs/netfs/main.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"6.8\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"6.8\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.12.26\",\"lessThanOrEqual\":\"6.12.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.14.5\",\"lessThanOrEqual\":\"6.14.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.15\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-476\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.8\",\"versionEndExcluding\":\"6.12.26\",\"matchCriteriaId\":\"ADF8DED6-5191-4112-A6A1-96DB750D05C0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.13\",\"versionEndExcluding\":\"6.14.5\",\"matchCriteriaId\":\"6B25CA7E-4CD0-46DB-B4EF-13A3516071FB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.15:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"8D465631-2980-487A-8E65-40AE2B9F8ED1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.15:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"4C9D071F-B28E-46EC-AC61-22B913390211\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/2ef6eea2efce01d1956ace483216f6b6e26330c9\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/40cb48eba3b4b79e110c1a35d33a48cac54507a2\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/6c4c5e0b96a90f2a11c378e66edc1f25165e10b6\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}",
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-30T00:08:55+00:00",
      "cve": "CVE-2025-37876",
      "id": "CVE-2025-37876",
      "initial_release_date": "2025-05-09T00:00:00+00:00",
      "product_status:known_affected": "184",
      "product_status:known_not_affected": "90",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: netfs: Only create /proc/fs/netfs with CONFIG_PROC_FS",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-37876.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-05-12T03:50:21Z",
      "cve": "CVE-2025-37876",
      "id": "CVE-2025-37876",
      "initial_release_date": "2025-05-10T02:52:29Z",
      "product_status:known_not_affected": "326",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2025-37876",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2025-37876.json",
      "version": "9"
    }
  }
}



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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.


Detection rules are retrieved from Rulezet.