CVE-2026-72223 (GCVE-0-2026-72223)
Vulnerability from cvelistv5
Published
2026-08-15 05:54
Modified
2026-08-17 05:10
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
nvdimm/btt: Free arena sub-allocations on discover_arenas() error path
Memory allocated by btt_freelist_init(), btt_rtt_init(), and
btt_maplocks_init() is not freed on some discover_arenas() error
paths. This leaks memory when arena discovery fails.
Add the missing kfree() calls to release the allocations before
returning an error.
[ as: commit message and log edits ]
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 5212e11fde4d40fa627668b4f2222d20db488f71 Version: 5212e11fde4d40fa627668b4f2222d20db488f71 Version: 5212e11fde4d40fa627668b4f2222d20db488f71 Version: 5212e11fde4d40fa627668b4f2222d20db488f71 Version: 5212e11fde4d40fa627668b4f2222d20db488f71 Version: 5212e11fde4d40fa627668b4f2222d20db488f71 Version: 5212e11fde4d40fa627668b4f2222d20db488f71 Version: 5212e11fde4d40fa627668b4f2222d20db488f71 |
||
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/nvdimm/btt.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "2d0364937550a7b3e2592629c2a68753ac020b28",
"status": "affected",
"version": "5212e11fde4d40fa627668b4f2222d20db488f71",
"versionType": "git"
},
{
"lessThan": "eeb95774bc79268e2b78ebf01d8781560b5bd671",
"status": "affected",
"version": "5212e11fde4d40fa627668b4f2222d20db488f71",
"versionType": "git"
},
{
"lessThan": "7563f69caa9143a491d5f26e563255c734751545",
"status": "affected",
"version": "5212e11fde4d40fa627668b4f2222d20db488f71",
"versionType": "git"
},
{
"lessThan": "0b0d9404951aacc9717aa61e77af4a6e9e8f8249",
"status": "affected",
"version": "5212e11fde4d40fa627668b4f2222d20db488f71",
"versionType": "git"
},
{
"lessThan": "873ced7f345e99f7ee16f9ff226515580332ecc4",
"status": "affected",
"version": "5212e11fde4d40fa627668b4f2222d20db488f71",
"versionType": "git"
},
{
"lessThan": "30d490bb2c4cd220e7dedf862ab6a09eb5dcbad5",
"status": "affected",
"version": "5212e11fde4d40fa627668b4f2222d20db488f71",
"versionType": "git"
},
{
"lessThan": "ba59b96d8d21dc8729fca44a022ca5919c1848c9",
"status": "affected",
"version": "5212e11fde4d40fa627668b4f2222d20db488f71",
"versionType": "git"
},
{
"lessThan": "13fe4cd9ddd0aacb7777812328be525a11ea3fea",
"status": "affected",
"version": "5212e11fde4d40fa627668b4f2222d20db488f71",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"drivers/nvdimm/btt.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "4.2"
},
{
"lessThan": "4.2",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"version": "5.10.261",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"version": "5.15.212",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.178",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.145",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"version": "6.12.97",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"version": "6.18.40",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.1.*",
"status": "unaffected",
"version": "7.1.5",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "7.2",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.10.261",
"versionStartIncluding": "4.2",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.15.212",
"versionStartIncluding": "4.2",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.1.178",
"versionStartIncluding": "4.2",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.6.145",
"versionStartIncluding": "4.2",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.12.97",
"versionStartIncluding": "4.2",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.18.40",
"versionStartIncluding": "4.2",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "7.1.5",
"versionStartIncluding": "4.2",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "7.2",
"versionStartIncluding": "4.2",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnvdimm/btt: Free arena sub-allocations on discover_arenas() error path\n\nMemory allocated by btt_freelist_init(), btt_rtt_init(), and\nbtt_maplocks_init() is not freed on some discover_arenas() error\npaths. This leaks memory when arena discovery fails.\n\nAdd the missing kfree() calls to release the allocations before\nreturning an error.\n\n[ as: commit message and log edits ]"
}
],
"providerMetadata": {
"dateUpdated": "2026-08-17T05:10:38.658Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/2d0364937550a7b3e2592629c2a68753ac020b28"
},
{
"url": "https://git.kernel.org/stable/c/eeb95774bc79268e2b78ebf01d8781560b5bd671"
},
{
"url": "https://git.kernel.org/stable/c/7563f69caa9143a491d5f26e563255c734751545"
},
{
"url": "https://git.kernel.org/stable/c/0b0d9404951aacc9717aa61e77af4a6e9e8f8249"
},
{
"url": "https://git.kernel.org/stable/c/873ced7f345e99f7ee16f9ff226515580332ecc4"
},
{
"url": "https://git.kernel.org/stable/c/30d490bb2c4cd220e7dedf862ab6a09eb5dcbad5"
},
{
"url": "https://git.kernel.org/stable/c/ba59b96d8d21dc8729fca44a022ca5919c1848c9"
},
{
"url": "https://git.kernel.org/stable/c/13fe4cd9ddd0aacb7777812328be525a11ea3fea"
}
],
"title": "nvdimm/btt: Free arena sub-allocations on discover_arenas() error path",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2026-72223",
"datePublished": "2026-08-15T05:54:16.019Z",
"dateReserved": "2026-08-09T03:40:39.913Z",
"dateUpdated": "2026-08-17T05:10:38.658Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
Loading…
Loading…
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
Loading…
Loading…