CVE-2024-50273 (GCVE-0-2024-50273)
Vulnerability from cvelistv5 – Published: 2024-11-19 01:30 – Updated: 2026-08-05 11:42
VLAI
EPSS
VEX
Title
btrfs: reinitialize delayed ref list after deleting it from the list
Summary
In the Linux kernel, the following vulnerability has been resolved:
btrfs: reinitialize delayed ref list after deleting it from the list
At insert_delayed_ref() if we need to update the action of an existing
ref to BTRFS_DROP_DELAYED_REF, we delete the ref from its ref head's
ref_add_list using list_del(), which leaves the ref's add_list member
not reinitialized, as list_del() sets the next and prev members of the
list to LIST_POISON1 and LIST_POISON2, respectively.
If later we end up calling drop_delayed_ref() against the ref, which can
happen during merging or when destroying delayed refs due to a transaction
abort, we can trigger a crash since at drop_delayed_ref() we call
list_empty() against the ref's add_list, which returns false since
the list was not reinitialized after the list_del() and as a consequence
we call list_del() again at drop_delayed_ref(). This results in an
invalid list access since the next and prev members are set to poison
pointers, resulting in a splat if CONFIG_LIST_HARDENED and
CONFIG_DEBUG_LIST are set or invalid poison pointer dereferences
otherwise.
So fix this by deleting from the list with list_del_init() instead.
Severity
7.8 (High)
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-01 20:14 UTC
CWE
- CWE-908 - Use of Uninitialized Resource
Assigner
References
10 references
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
1d57ee941692d0cc928526e21a1557b2ae3e11db , < 2fd0948a483e9cb2d669c7199bc620a21c97673d
(git)
Affected: 1d57ee941692d0cc928526e21a1557b2ae3e11db , < 93c5b8decc0ef39ba84f4211d2db6da0a4aefbeb (git) Affected: 1d57ee941692d0cc928526e21a1557b2ae3e11db , < bf0b0c6d159767c0d1c21f793950d78486690ee0 (git) Affected: 1d57ee941692d0cc928526e21a1557b2ae3e11db , < c24fa427fc0ae827b2a3a07f13738cbf82c3f851 (git) Affected: 1d57ee941692d0cc928526e21a1557b2ae3e11db , < 2cb1a73d1d44a1c11b0ee5eeced765dd80ec48e6 (git) Affected: 1d57ee941692d0cc928526e21a1557b2ae3e11db , < f04be6d68f715c1473a8422fc0460f57b5e99931 (git) Affected: 1d57ee941692d0cc928526e21a1557b2ae3e11db , < 50a3933760b427759afdd23156a7280a19357a92 (git) Affected: 1d57ee941692d0cc928526e21a1557b2ae3e11db , < c9a75ec45f1111ef530ab186c2a7684d0a0c9245 (git) |
guessed | |
| Linux | Linux |
Affected:
4.10
Unaffected: 0 , < 4.10 (semver) Unaffected: 4.19.324 , ≤ 4.19.* (semver) Unaffected: 5.4.286 , ≤ 5.4.* (semver) Unaffected: 5.10.230 , ≤ 5.10.* (semver) Unaffected: 5.15.172 , ≤ 5.15.* (semver) Unaffected: 6.1.117 , ≤ 6.1.* (semver) Unaffected: 6.6.61 , ≤ 6.6.* (semver) Unaffected: 6.11.8 , ≤ 6.11.* (semver) Unaffected: 6.12 , ≤ * (original_commit_for_fix) |
guessed |
{
"containers": {
"adp": [
{
"metrics": [
{
"cvssV3_1": {
"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"
}
},
{
"other": {
"content": {
"id": "CVE-2024-50273",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-10-01T20:14:59.605584Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-908",
"description": "CWE-908 Use of Uninitialized Resource",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-10-01T20:17:23.045Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
},
{
"providerMetadata": {
"dateUpdated": "2025-11-03T22:27:54.002Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html"
},
{
"url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"fs/btrfs/delayed-ref.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "2fd0948a483e9cb2d669c7199bc620a21c97673d",
"status": "affected",
"version": "1d57ee941692d0cc928526e21a1557b2ae3e11db",
"versionType": "git"
},
{
"lessThan": "93c5b8decc0ef39ba84f4211d2db6da0a4aefbeb",
"status": "affected",
"version": "1d57ee941692d0cc928526e21a1557b2ae3e11db",
"versionType": "git"
},
{
"lessThan": "bf0b0c6d159767c0d1c21f793950d78486690ee0",
"status": "affected",
"version": "1d57ee941692d0cc928526e21a1557b2ae3e11db",
"versionType": "git"
},
{
"lessThan": "c24fa427fc0ae827b2a3a07f13738cbf82c3f851",
"status": "affected",
"version": "1d57ee941692d0cc928526e21a1557b2ae3e11db",
"versionType": "git"
},
{
"lessThan": "2cb1a73d1d44a1c11b0ee5eeced765dd80ec48e6",
"status": "affected",
"version": "1d57ee941692d0cc928526e21a1557b2ae3e11db",
"versionType": "git"
},
{
"lessThan": "f04be6d68f715c1473a8422fc0460f57b5e99931",
"status": "affected",
"version": "1d57ee941692d0cc928526e21a1557b2ae3e11db",
"versionType": "git"
},
{
"lessThan": "50a3933760b427759afdd23156a7280a19357a92",
"status": "affected",
"version": "1d57ee941692d0cc928526e21a1557b2ae3e11db",
"versionType": "git"
},
{
"lessThan": "c9a75ec45f1111ef530ab186c2a7684d0a0c9245",
"status": "affected",
"version": "1d57ee941692d0cc928526e21a1557b2ae3e11db",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"fs/btrfs/delayed-ref.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "4.10"
},
{
"lessThan": "4.10",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "4.19.*",
"status": "unaffected",
"version": "4.19.324",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.4.*",
"status": "unaffected",
"version": "5.4.286",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"version": "5.10.230",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"version": "5.15.172",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.117",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.61",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.11.*",
"status": "unaffected",
"version": "6.11.8",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.12",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "4.19.324",
"versionStartIncluding": "4.10",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.4.286",
"versionStartIncluding": "4.10",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.10.230",
"versionStartIncluding": "4.10",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.15.172",
"versionStartIncluding": "4.10",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.1.117",
"versionStartIncluding": "4.10",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.6.61",
"versionStartIncluding": "4.10",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.11.8",
"versionStartIncluding": "4.10",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.12",
"versionStartIncluding": "4.10",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: reinitialize delayed ref list after deleting it from the list\n\nAt insert_delayed_ref() if we need to update the action of an existing\nref to BTRFS_DROP_DELAYED_REF, we delete the ref from its ref head\u0027s\nref_add_list using list_del(), which leaves the ref\u0027s add_list member\nnot reinitialized, as list_del() sets the next and prev members of the\nlist to LIST_POISON1 and LIST_POISON2, respectively.\n\nIf later we end up calling drop_delayed_ref() against the ref, which can\nhappen during merging or when destroying delayed refs due to a transaction\nabort, we can trigger a crash since at drop_delayed_ref() we call\nlist_empty() against the ref\u0027s add_list, which returns false since\nthe list was not reinitialized after the list_del() and as a consequence\nwe call list_del() again at drop_delayed_ref(). This results in an\ninvalid list access since the next and prev members are set to poison\npointers, resulting in a splat if CONFIG_LIST_HARDENED and\nCONFIG_DEBUG_LIST are set or invalid poison pointer dereferences\notherwise.\n\nSo fix this by deleting from the list with list_del_init() instead."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"scenarios": [
{
"lang": "en",
"value": "AV:L - The delayed-ref machinery is driven by local filesystem syscalls (write, truncate, unlink, clone, subvolume/snapshot operations) against a mounted btrfs; there is no network-facing path into `insert_delayed_ref()`.\nAC:L - The attacker drives both halves entirely through their own workload \u2014 generating the delayed-ref sequence and then forcing `btrfs_merge_delayed_refs()`/transaction-abort cleanup via ordinary file I/O \u2014 with no dependence on external state or a race they cannot influence.\nPR:L - Only an unprivileged local account with write access to any btrfs filesystem (e.g. a home directory on a btrfs root fs) is needed; no CAP_SYS_ADMIN, no mount privileges, and no root in the init namespace.\nUI:N - No victim action is required \u2014 the attacker\u0027s own file operations on an already-mounted btrfs create the delayed refs and trigger the subsequent merge or abort-time cleanup.\nS:U - The corrupted list state and resulting fault are confined to the kernel\u0027s own security authority; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - The double `list_del()` on a poisoned list entry is a list-corruption/memory-corruption condition in delayed-ref bookkeeping that, consistent with other btrfs list-corruption issues, can be leveraged toward disclosure of kernel memory contents.\nI:H - `__list_del()` performs two pointer writes derived from the corrupted `add_list` members, an unintended kernel write of the kind that underpins list-corruption exploitation, and the delayed-ref/extent accounting is left inconsistent on the affected filesystem.\nA:H - Dereferencing LIST_POISON1/LIST_POISON2 produces a kernel oops (or a hardened-list splat) while `head-\u003elock` and `delayed_refs-\u003elock` are held, hanging every other btrfs task on the filesystem and effectively panicking the system."
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-05T11:42:57.250Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/2fd0948a483e9cb2d669c7199bc620a21c97673d"
},
{
"url": "https://git.kernel.org/stable/c/93c5b8decc0ef39ba84f4211d2db6da0a4aefbeb"
},
{
"url": "https://git.kernel.org/stable/c/bf0b0c6d159767c0d1c21f793950d78486690ee0"
},
{
"url": "https://git.kernel.org/stable/c/c24fa427fc0ae827b2a3a07f13738cbf82c3f851"
},
{
"url": "https://git.kernel.org/stable/c/2cb1a73d1d44a1c11b0ee5eeced765dd80ec48e6"
},
{
"url": "https://git.kernel.org/stable/c/f04be6d68f715c1473a8422fc0460f57b5e99931"
},
{
"url": "https://git.kernel.org/stable/c/50a3933760b427759afdd23156a7280a19357a92"
},
{
"url": "https://git.kernel.org/stable/c/c9a75ec45f1111ef530ab186c2a7684d0a0c9245"
}
],
"title": "btrfs: reinitialize delayed ref list after deleting it from the list",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2024-50273",
"datePublished": "2024-11-19T01:30:12.589Z",
"dateReserved": "2024-10-21T19:36:19.983Z",
"dateUpdated": "2026-08-05T11:42:57.250Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2024-50273",
"date": "2026-09-15",
"epss": "0.0029",
"percentile": "0.21539"
},
"fkie_nvd": {
"configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"4.10\", \"versionEndExcluding\": \"4.19.324\", \"matchCriteriaId\": \"037E197F-690E-4813-96DE-599751FC2D28\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"4.20\", \"versionEndExcluding\": \"5.4.286\", \"matchCriteriaId\": \"9952C897-8A61-4D4B-9D6D-7D063E9EA15E\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"5.5\", \"versionEndExcluding\": \"5.10.230\", \"matchCriteriaId\": \"BF5B32D0-72C9-41C3-A0BB-D4946153C134\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"5.11\", \"versionEndExcluding\": \"5.15.172\", \"matchCriteriaId\": \"88812664-4296-42AC-AE0F-ED71086C1BB1\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"5.16\", \"versionEndExcluding\": \"6.1.117\", \"matchCriteriaId\": \"0DD7F755-2F6B-4707-8973-78496AD5AA8E\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"6.2\", \"versionEndExcluding\": \"6.6.61\", \"matchCriteriaId\": \"630ED7EB-C97E-4435-B884-1E309E40D6F3\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"6.7\", \"versionEndExcluding\": \"6.11.8\", \"matchCriteriaId\": \"0BD000F7-3DAD-4DD3-8906-98EA1EC67E95\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:6.12:rc1:*:*:*:*:*:*\", \"matchCriteriaId\": \"7F361E1D-580F-4A2D-A509-7615F73167A1\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:6.12:rc2:*:*:*:*:*:*\", \"matchCriteriaId\": \"925478D0-3E3D-4E6F-ACD5-09F28D5DF82C\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:6.12:rc3:*:*:*:*:*:*\", \"matchCriteriaId\": \"3C95E234-D335-4B6C-96BF-E2CEBD8654ED\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:6.12:rc4:*:*:*:*:*:*\", \"matchCriteriaId\": \"E0F717D8-3014-4F84-8086-0124B2111379\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:6.12:rc5:*:*:*:*:*:*\", \"matchCriteriaId\": \"24DBE6C7-2AAE-4818-AED2-E131F153D2FA\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:6.12:rc6:*:*:*:*:*:*\", \"matchCriteriaId\": \"24B88717-53F5-42AA-9B72-14C707639E3F\"}]}]}]",
"descriptions": "[{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nbtrfs: reinitialize delayed ref list after deleting it from the list\\n\\nAt insert_delayed_ref() if we need to update the action of an existing\\nref to BTRFS_DROP_DELAYED_REF, we delete the ref from its ref head\u0027s\\nref_add_list using list_del(), which leaves the ref\u0027s add_list member\\nnot reinitialized, as list_del() sets the next and prev members of the\\nlist to LIST_POISON1 and LIST_POISON2, respectively.\\n\\nIf later we end up calling drop_delayed_ref() against the ref, which can\\nhappen during merging or when destroying delayed refs due to a transaction\\nabort, we can trigger a crash since at drop_delayed_ref() we call\\nlist_empty() against the ref\u0027s add_list, which returns false since\\nthe list was not reinitialized after the list_del() and as a consequence\\nwe call list_del() again at drop_delayed_ref(). This results in an\\ninvalid list access since the next and prev members are set to poison\\npointers, resulting in a splat if CONFIG_LIST_HARDENED and\\nCONFIG_DEBUG_LIST are set or invalid poison pointer dereferences\\notherwise.\\n\\nSo fix this by deleting from the list with list_del_init() instead.\"}, {\"lang\": \"es\", \"value\": \"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: btrfs: reinicializar la lista de referencias retrasadas despu\\u00e9s de eliminarla de la lista En insert_delayed_ref(), si necesitamos actualizar la acci\\u00f3n de una referencia existente a BTRFS_DROP_DELAYED_REF, eliminamos la referencia de ref_add_list de su cabecera de referencia usando list_del(), lo que deja el miembro add_list de la referencia sin reinicializar, ya que list_del() establece los miembros siguiente y anterior de la lista en LIST_POISON1 y LIST_POISON2, respectivamente. Si m\\u00e1s tarde terminamos llamando a drop_delayed_ref() contra la referencia, lo que puede suceder durante la fusi\\u00f3n o al destruir referencias retrasadas debido a un aborto de transacci\\u00f3n, podemos provocar un bloqueo ya que en drop_delayed_ref() llamamos a list_empty() contra el add_list de la referencia, que devuelve falso ya que la lista no se reinicializ\\u00f3 despu\\u00e9s de list_del() y, como consecuencia, llamamos a list_del() nuevamente en drop_delayed_ref(). Esto da como resultado un acceso a la lista no v\\u00e1lido ya que los miembros next y prev est\\u00e1n configurados como punteros envenenados, lo que resulta en un splat si CONFIG_LIST_HARDENED y CONFIG_DEBUG_LIST est\\u00e1n configurados o desreferencias de punteros envenenados no v\\u00e1lidas en caso contrario. As\\u00ed que solucione esto eliminando de la lista con list_del_init() en su lugar.\"}]",
"id": "CVE-2024-50273",
"lastModified": "2024-11-27T15:58:02.730",
"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}]}",
"published": "2024-11-19T02:16:29.483",
"references": "[{\"url\": \"https://git.kernel.org/stable/c/2cb1a73d1d44a1c11b0ee5eeced765dd80ec48e6\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/2fd0948a483e9cb2d669c7199bc620a21c97673d\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/50a3933760b427759afdd23156a7280a19357a92\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/93c5b8decc0ef39ba84f4211d2db6da0a4aefbeb\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/bf0b0c6d159767c0d1c21f793950d78486690ee0\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/c24fa427fc0ae827b2a3a07f13738cbf82c3f851\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/c9a75ec45f1111ef530ab186c2a7684d0a0c9245\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/f04be6d68f715c1473a8422fc0460f57b5e99931\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}]",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"vulnStatus": "Analyzed",
"weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-908\"}]}]"
},
"microsoft_vex": {
"current_release_date": "2026-02-19T01:01:43.000Z",
"cve": "CVE-2024-50273",
"id": "msrc_CVE-2024-50273",
"initial_release_date": "2024-11-02T00:00:00.000Z",
"product_status:fixed": "5",
"product_status:known_affected": "5",
"source": "Microsoft CSAF VEX",
"status": "final",
"title": "btrfs: reinitialize delayed ref list after deleting it from the list",
"url": "https://msrc.microsoft.com/csaf/vex/2024/msrc_cve-2024-50273.json",
"version": "3"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2024-50273\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-11-19T02:16:29.483\",\"lastModified\":\"2026-08-04T11:21:39.270\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nbtrfs: reinitialize delayed ref list after deleting it from the list\\n\\nAt insert_delayed_ref() if we need to update the action of an existing\\nref to BTRFS_DROP_DELAYED_REF, we delete the ref from its ref head\u0027s\\nref_add_list using list_del(), which leaves the ref\u0027s add_list member\\nnot reinitialized, as list_del() sets the next and prev members of the\\nlist to LIST_POISON1 and LIST_POISON2, respectively.\\n\\nIf later we end up calling drop_delayed_ref() against the ref, which can\\nhappen during merging or when destroying delayed refs due to a transaction\\nabort, we can trigger a crash since at drop_delayed_ref() we call\\nlist_empty() against the ref\u0027s add_list, which returns false since\\nthe list was not reinitialized after the list_del() and as a consequence\\nwe call list_del() again at drop_delayed_ref(). This results in an\\ninvalid list access since the next and prev members are set to poison\\npointers, resulting in a splat if CONFIG_LIST_HARDENED and\\nCONFIG_DEBUG_LIST are set or invalid poison pointer dereferences\\notherwise.\\n\\nSo fix this by deleting from the list with list_del_init() instead.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: btrfs: reinicializar la lista de referencias retrasadas despu\u00e9s de eliminarla de la lista En insert_delayed_ref(), si necesitamos actualizar la acci\u00f3n de una referencia existente a BTRFS_DROP_DELAYED_REF, eliminamos la referencia de ref_add_list de su cabecera de referencia usando list_del(), lo que deja el miembro add_list de la referencia sin reinicializar, ya que list_del() establece los miembros siguiente y anterior de la lista en LIST_POISON1 y LIST_POISON2, respectivamente. Si m\u00e1s tarde terminamos llamando a drop_delayed_ref() contra la referencia, lo que puede suceder durante la fusi\u00f3n o al destruir referencias retrasadas debido a un aborto de transacci\u00f3n, podemos provocar un bloqueo ya que en drop_delayed_ref() llamamos a list_empty() contra el add_list de la referencia, que devuelve falso ya que la lista no se reinicializ\u00f3 despu\u00e9s de list_del() y, como consecuencia, llamamos a list_del() nuevamente en drop_delayed_ref(). Esto da como resultado un acceso a la lista no v\u00e1lido ya que los miembros next y prev est\u00e1n configurados como punteros envenenados, lo que resulta en un splat si CONFIG_LIST_HARDENED y CONFIG_DEBUG_LIST est\u00e1n configurados o desreferencias de punteros envenenados no v\u00e1lidas en caso contrario. As\u00ed que solucione esto eliminando de la lista con list_del_init() en su lugar.\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"fs/btrfs/delayed-ref.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"1d57ee941692d0cc928526e21a1557b2ae3e11db\",\"lessThan\":\"2fd0948a483e9cb2d669c7199bc620a21c97673d\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"1d57ee941692d0cc928526e21a1557b2ae3e11db\",\"lessThan\":\"93c5b8decc0ef39ba84f4211d2db6da0a4aefbeb\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"1d57ee941692d0cc928526e21a1557b2ae3e11db\",\"lessThan\":\"bf0b0c6d159767c0d1c21f793950d78486690ee0\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"1d57ee941692d0cc928526e21a1557b2ae3e11db\",\"lessThan\":\"c24fa427fc0ae827b2a3a07f13738cbf82c3f851\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"1d57ee941692d0cc928526e21a1557b2ae3e11db\",\"lessThan\":\"2cb1a73d1d44a1c11b0ee5eeced765dd80ec48e6\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"1d57ee941692d0cc928526e21a1557b2ae3e11db\",\"lessThan\":\"f04be6d68f715c1473a8422fc0460f57b5e99931\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"1d57ee941692d0cc928526e21a1557b2ae3e11db\",\"lessThan\":\"50a3933760b427759afdd23156a7280a19357a92\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"1d57ee941692d0cc928526e21a1557b2ae3e11db\",\"lessThan\":\"c9a75ec45f1111ef530ab186c2a7684d0a0c9245\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"fs/btrfs/delayed-ref.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"4.10\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"4.10\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"4.19.324\",\"lessThanOrEqual\":\"4.19.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.4.286\",\"lessThanOrEqual\":\"5.4.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.10.230\",\"lessThanOrEqual\":\"5.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.15.172\",\"lessThanOrEqual\":\"5.15.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.1.117\",\"lessThanOrEqual\":\"6.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.6.61\",\"lessThanOrEqual\":\"6.6.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.11.8\",\"lessThanOrEqual\":\"6.11.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.12\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9},{\"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},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"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}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2025-10-01T20:14:59.605584Z\",\"id\":\"CVE-2024-50273\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-908\"}]},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-908\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.10\",\"versionEndExcluding\":\"4.19.324\",\"matchCriteriaId\":\"037E197F-690E-4813-96DE-599751FC2D28\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.20\",\"versionEndExcluding\":\"5.4.286\",\"matchCriteriaId\":\"9952C897-8A61-4D4B-9D6D-7D063E9EA15E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.5\",\"versionEndExcluding\":\"5.10.230\",\"matchCriteriaId\":\"BF5B32D0-72C9-41C3-A0BB-D4946153C134\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.172\",\"matchCriteriaId\":\"88812664-4296-42AC-AE0F-ED71086C1BB1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.1.117\",\"matchCriteriaId\":\"0DD7F755-2F6B-4707-8973-78496AD5AA8E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.6.61\",\"matchCriteriaId\":\"630ED7EB-C97E-4435-B884-1E309E40D6F3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.11.8\",\"matchCriteriaId\":\"0BD000F7-3DAD-4DD3-8906-98EA1EC67E95\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.12:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"7F361E1D-580F-4A2D-A509-7615F73167A1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.12:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"925478D0-3E3D-4E6F-ACD5-09F28D5DF82C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.12:rc3:*:*:*:*:*:*\",\"matchCriteriaId\":\"3C95E234-D335-4B6C-96BF-E2CEBD8654ED\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.12:rc4:*:*:*:*:*:*\",\"matchCriteriaId\":\"E0F717D8-3014-4F84-8086-0124B2111379\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.12:rc5:*:*:*:*:*:*\",\"matchCriteriaId\":\"24DBE6C7-2AAE-4818-AED2-E131F153D2FA\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.12:rc6:*:*:*:*:*:*\",\"matchCriteriaId\":\"24B88717-53F5-42AA-9B72-14C707639E3F\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/2cb1a73d1d44a1c11b0ee5eeced765dd80ec48e6\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/2fd0948a483e9cb2d669c7199bc620a21c97673d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/50a3933760b427759afdd23156a7280a19357a92\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/93c5b8decc0ef39ba84f4211d2db6da0a4aefbeb\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/bf0b0c6d159767c0d1c21f793950d78486690ee0\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/c24fa427fc0ae827b2a3a07f13738cbf82c3f851\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/c9a75ec45f1111ef530ab186c2a7684d0a0c9245\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/f04be6d68f715c1473a8422fc0460f57b5e99931\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}",
"redhat_vex": {
"aggregate_severity": "Low",
"current_release_date": "2025-11-21T14:18:21+00:00",
"cve": "CVE-2024-50273",
"id": "CVE-2024-50273",
"initial_release_date": "2024-11-19T00:00:00+00:00",
"product_status:known_affected": "42",
"product_status:known_not_affected": "156",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: btrfs: reinitialize delayed ref list after deleting it from the list",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-50273.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-08-29T01:42:15Z",
"cve": "CVE-2024-50273",
"id": "CVE-2024-50273",
"initial_release_date": "2024-11-19T03:49:25Z",
"product_status:known_affected": "623",
"product_status:known_not_affected": "74",
"product_status:recommended": "589",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2024-50273",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2024-50273.json",
"version": "59"
},
"vulnrichment": {
"containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html\"}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html\"}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2025-11-03T22:27:54.002Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 5.5, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"NONE\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-50273\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-10-01T20:14:59.605584Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-908\", \"description\": \"CWE-908 Use of Uninitialized Resource\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-10-01T15:26:12.402Z\"}}], \"cna\": {\"title\": \"btrfs: reinitialize delayed ref list after deleting it from the list\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"1d57ee941692d0cc928526e21a1557b2ae3e11db\", \"lessThan\": \"2fd0948a483e9cb2d669c7199bc620a21c97673d\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"1d57ee941692d0cc928526e21a1557b2ae3e11db\", \"lessThan\": \"93c5b8decc0ef39ba84f4211d2db6da0a4aefbeb\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"1d57ee941692d0cc928526e21a1557b2ae3e11db\", \"lessThan\": \"bf0b0c6d159767c0d1c21f793950d78486690ee0\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"1d57ee941692d0cc928526e21a1557b2ae3e11db\", \"lessThan\": \"c24fa427fc0ae827b2a3a07f13738cbf82c3f851\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"1d57ee941692d0cc928526e21a1557b2ae3e11db\", \"lessThan\": \"2cb1a73d1d44a1c11b0ee5eeced765dd80ec48e6\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"1d57ee941692d0cc928526e21a1557b2ae3e11db\", \"lessThan\": \"f04be6d68f715c1473a8422fc0460f57b5e99931\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"1d57ee941692d0cc928526e21a1557b2ae3e11db\", \"lessThan\": \"50a3933760b427759afdd23156a7280a19357a92\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"1d57ee941692d0cc928526e21a1557b2ae3e11db\", \"lessThan\": \"c9a75ec45f1111ef530ab186c2a7684d0a0c9245\", \"versionType\": \"git\"}], \"programFiles\": [\"fs/btrfs/delayed-ref.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"4.10\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"4.10\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"4.19.324\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"4.19.*\"}, {\"status\": \"unaffected\", \"version\": \"5.4.286\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.4.*\"}, {\"status\": \"unaffected\", \"version\": \"5.10.230\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.172\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.1.117\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.61\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.11.8\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.11.*\"}, {\"status\": \"unaffected\", \"version\": \"6.12\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"fs/btrfs/delayed-ref.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/2fd0948a483e9cb2d669c7199bc620a21c97673d\"}, {\"url\": \"https://git.kernel.org/stable/c/93c5b8decc0ef39ba84f4211d2db6da0a4aefbeb\"}, {\"url\": \"https://git.kernel.org/stable/c/bf0b0c6d159767c0d1c21f793950d78486690ee0\"}, {\"url\": \"https://git.kernel.org/stable/c/c24fa427fc0ae827b2a3a07f13738cbf82c3f851\"}, {\"url\": \"https://git.kernel.org/stable/c/2cb1a73d1d44a1c11b0ee5eeced765dd80ec48e6\"}, {\"url\": \"https://git.kernel.org/stable/c/f04be6d68f715c1473a8422fc0460f57b5e99931\"}, {\"url\": \"https://git.kernel.org/stable/c/50a3933760b427759afdd23156a7280a19357a92\"}, {\"url\": \"https://git.kernel.org/stable/c/c9a75ec45f1111ef530ab186c2a7684d0a0c9245\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nbtrfs: reinitialize delayed ref list after deleting it from the list\\n\\nAt insert_delayed_ref() if we need to update the action of an existing\\nref to BTRFS_DROP_DELAYED_REF, we delete the ref from its ref head\u0027s\\nref_add_list using list_del(), which leaves the ref\u0027s add_list member\\nnot reinitialized, as list_del() sets the next and prev members of the\\nlist to LIST_POISON1 and LIST_POISON2, respectively.\\n\\nIf later we end up calling drop_delayed_ref() against the ref, which can\\nhappen during merging or when destroying delayed refs due to a transaction\\nabort, we can trigger a crash since at drop_delayed_ref() we call\\nlist_empty() against the ref\u0027s add_list, which returns false since\\nthe list was not reinitialized after the list_del() and as a consequence\\nwe call list_del() again at drop_delayed_ref(). This results in an\\ninvalid list access since the next and prev members are set to poison\\npointers, resulting in a splat if CONFIG_LIST_HARDENED and\\nCONFIG_DEBUG_LIST are set or invalid poison pointer dereferences\\notherwise.\\n\\nSo fix this by deleting from the list with list_del_init() instead.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.19.324\", \"versionStartIncluding\": \"4.10\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.286\", \"versionStartIncluding\": \"4.10\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.230\", \"versionStartIncluding\": \"4.10\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.172\", \"versionStartIncluding\": \"4.10\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.117\", \"versionStartIncluding\": \"4.10\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.61\", \"versionStartIncluding\": \"4.10\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.11.8\", \"versionStartIncluding\": \"4.10\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.12\", \"versionStartIncluding\": \"4.10\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-05-04T09:50:28.471Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2024-50273\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-11-03T22:27:54.002Z\", \"dateReserved\": \"2024-10-21T19:36:19.983Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-11-19T01:30:12.589Z\", \"assignerShortName\": \"Linux\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
Loading…
Loading…
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.
Loading…
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.
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.
Loading…
Loading…