nvdimm/btt: Free arena sub-allocations on discover_arenas() error path
Summary
| CVE | CVE-2026-72223 |
|---|---|
| State | PUBLISHED |
| Assigner | Linux |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-08-15 06:21:41 UTC |
| Updated | 2026-08-15 06:21:41 UTC |
| Description | 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 ] |
Risk And Classification
EPSS: 0.002200000 probability, percentile 0.127290000 (date 2026-08-15)
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Linux | Linux | affected 5212e11fde4d40fa627668b4f2222d20db488f71 2d0364937550a7b3e2592629c2a68753ac020b28 git | Not specified |
| CNA | Linux | Linux | affected 5212e11fde4d40fa627668b4f2222d20db488f71 eeb95774bc79268e2b78ebf01d8781560b5bd671 git | Not specified |
| CNA | Linux | Linux | affected 5212e11fde4d40fa627668b4f2222d20db488f71 7563f69caa9143a491d5f26e563255c734751545 git | Not specified |
| CNA | Linux | Linux | affected 5212e11fde4d40fa627668b4f2222d20db488f71 0b0d9404951aacc9717aa61e77af4a6e9e8f8249 git | Not specified |
| CNA | Linux | Linux | affected 5212e11fde4d40fa627668b4f2222d20db488f71 873ced7f345e99f7ee16f9ff226515580332ecc4 git | Not specified |
| CNA | Linux | Linux | affected 5212e11fde4d40fa627668b4f2222d20db488f71 30d490bb2c4cd220e7dedf862ab6a09eb5dcbad5 git | Not specified |
| CNA | Linux | Linux | affected 5212e11fde4d40fa627668b4f2222d20db488f71 ba59b96d8d21dc8729fca44a022ca5919c1848c9 git | Not specified |
| CNA | Linux | Linux | affected 5212e11fde4d40fa627668b4f2222d20db488f71 13fe4cd9ddd0aacb7777812328be525a11ea3fea git | Not specified |
| CNA | Linux | Linux | affected 4.2 | Not specified |
| CNA | Linux | Linux | unaffected 4.2 semver | Not specified |
| CNA | Linux | Linux | unaffected 5.10.261 5.10.* semver | Not specified |
| CNA | Linux | Linux | unaffected 5.15.212 5.15.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.1.178 6.1.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.6.145 6.6.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.12.97 6.12.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.18.40 6.18.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.1.5 7.1.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.2-rc1 * original_commit_for_fix | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| git.kernel.org/stable/c/13fe4cd9ddd0aacb7777812328be525a11ea3fea | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/ba59b96d8d21dc8729fca44a022ca5919c1848c9 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/2d0364937550a7b3e2592629c2a68753ac020b28 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/30d490bb2c4cd220e7dedf862ab6a09eb5dcbad5 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/0b0d9404951aacc9717aa61e77af4a6e9e8f8249 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/eeb95774bc79268e2b78ebf01d8781560b5bd671 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/7563f69caa9143a491d5f26e563255c734751545 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/873ced7f345e99f7ee16f9ff226515580332ecc4 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.