CVE-2026-72223
Unknown
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 ]
SeverityUnknown
CVSS—
Exploit probability—
Product
Linux
PublishedAug 15, 2026
First seenAug 15, 2026
How to fix
Update
- Linux Linux2d0364937550a7b3e2592629c2a68753ac020b28, eeb95774bc79268e2b78ebf01d8781560b5bd671, 7563f69caa9143a491d5f26e563255c734751545, 0b0d9404951aacc9717aa61e77af4a6e9e8f8249, 873ced7f345e99f7ee16f9ff226515580332ecc4, 30d490bb2c4cd220e7dedf862ab6a09eb5dcbad5, ba59b96d8d21dc8729fca44a022ca5919c1848c9, 13fe4cd9ddd0aacb7777812328be525a11ea3fea or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | 5212e11fde4d40fa627668b4f2222d20db488f71 ≤ v < 2d0364937550a7b3e2592629c2a68753ac020b28, 5212e11fde4d40fa627668b4f2222d20db488f71 ≤ v < eeb95774bc79268e2b78ebf01d8781560b5bd671, 5212e11fde4d40fa627668b4f2222d20db488f71 ≤ v < 7563f69caa9143a491d5f26e563255c734751545, 5212e11fde4d40fa627668b4f2222d20db488f71 ≤ v < 0b0d9404951aacc9717aa61e77af4a6e9e8f8249, 5212e11fde4d40fa627668b4f2222d20db488f71 ≤ v < 873ced7f345e99f7ee16f9ff226515580332ecc4, 5212e11fde4d40fa627668b4f2222d20db488f71 ≤ v < 30d490bb2c4cd220e7dedf862ab6a09eb5dcbad5, 5212e11fde4d40fa627668b4f2222d20db488f71 ≤ v < ba59b96d8d21dc8729fca44a022ca5919c1848c9, 5212e11fde4d40fa627668b4f2222d20db488f71 ≤ v < 13fe4cd9ddd0aacb7777812328be525a11ea3fea, 4.2 | 2d0364937550a7b3e2592629c2a68753ac020b28, eeb95774bc79268e2b78ebf01d8781560b5bd671, 7563f69caa9143a491d5f26e563255c734751545, 0b0d9404951aacc9717aa61e77af4a6e9e8f8249, 873ced7f345e99f7ee16f9ff226515580332ecc4, 30d490bb2c4cd220e7dedf862ab6a09eb5dcbad5, ba59b96d8d21dc8729fca44a022ca5919c1848c9, 13fe4cd9ddd0aacb7777812328be525a11ea3fea |
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