Not yet scoredPublished Aug 15, 2026

CVE-2026-72223nvdimm/btt: Free arena sub-allocations on discover_arenas() error path

Updated under an hour ago (Oct 27, 2026, 4:23 PM ET)

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Exploited in the last 30 days

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 ]

CVSS: Not yet scored
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Received
Record last updated: Aug 17, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	5212e11fde4d40fa627668b4f2222d20db488f71 builds before 2d0364937550a7b3e2592629c2a68753ac020b28; from 5212e11fde4d40fa627668b4f2222d20db488f71 before eeb95774bc79268e2b78ebf01d8781560b5bd671; from 5212e11fde4d40fa627668b4f2222d20db488f71 before 7563f69caa9143a491d5f26e563255c734751545; 5212e11fde4d40fa627668b4f2222d20db488f71 builds before 0b0d9404951aacc9717aa61e77af4a6e9e8f8249; 5212e11fde4d40fa627668b4f2222d20db488f71 builds before 873ced7f345e99f7ee16f9ff226515580332ecc4; 5212e11fde4d40fa627668b4f2222d20db488f71 builds before 30d490bb2c4cd220e7dedf862ab6a09eb5dcbad5; from 5212e11fde4d40fa627668b4f2222d20db488f71 before ba59b96d8d21dc8729fca44a022ca5919c1848c9; 5212e11fde4d40fa627668b4f2222d20db488f71 builds before 13fe4cd9ddd0aacb7777812328be525a11ea3fea	CNA record

References

References

https://git.kernel.org/stable/c/2d0364937550a7b3e2592629c2a68753ac020b28
https://git.kernel.org/stable/c/eeb95774bc79268e2b78ebf01d8781560b5bd671
https://git.kernel.org/stable/c/7563f69caa9143a491d5f26e563255c734751545
https://git.kernel.org/stable/c/0b0d9404951aacc9717aa61e77af4a6e9e8f8249
https://git.kernel.org/stable/c/873ced7f345e99f7ee16f9ff226515580332ecc4
https://git.kernel.org/stable/c/30d490bb2c4cd220e7dedf862ab6a09eb5dcbad5
https://git.kernel.org/stable/c/ba59b96d8d21dc8729fca44a022ca5919c1848c9
https://git.kernel.org/stable/c/13fe4cd9ddd0aacb7777812328be525a11ea3fea

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.