{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-72223","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-08-09T03:40:39.913Z","datePublished":"2026-08-15T05:54:16.019Z","dateUpdated":"2026-08-17T05:10:38.658Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-08-17T05:10:38.658Z"},"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 ]"}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/nvdimm/btt.c"],"versions":[{"version":"5212e11fde4d40fa627668b4f2222d20db488f71","lessThan":"2d0364937550a7b3e2592629c2a68753ac020b28","status":"affected","versionType":"git"},{"version":"5212e11fde4d40fa627668b4f2222d20db488f71","lessThan":"eeb95774bc79268e2b78ebf01d8781560b5bd671","status":"affected","versionType":"git"},{"version":"5212e11fde4d40fa627668b4f2222d20db488f71","lessThan":"7563f69caa9143a491d5f26e563255c734751545","status":"affected","versionType":"git"},{"version":"5212e11fde4d40fa627668b4f2222d20db488f71","lessThan":"0b0d9404951aacc9717aa61e77af4a6e9e8f8249","status":"affected","versionType":"git"},{"version":"5212e11fde4d40fa627668b4f2222d20db488f71","lessThan":"873ced7f345e99f7ee16f9ff226515580332ecc4","status":"affected","versionType":"git"},{"version":"5212e11fde4d40fa627668b4f2222d20db488f71","lessThan":"30d490bb2c4cd220e7dedf862ab6a09eb5dcbad5","status":"affected","versionType":"git"},{"version":"5212e11fde4d40fa627668b4f2222d20db488f71","lessThan":"ba59b96d8d21dc8729fca44a022ca5919c1848c9","status":"affected","versionType":"git"},{"version":"5212e11fde4d40fa627668b4f2222d20db488f71","lessThan":"13fe4cd9ddd0aacb7777812328be525a11ea3fea","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/nvdimm/btt.c"],"versions":[{"version":"4.2","status":"affected"},{"version":"0","lessThan":"4.2","status":"unaffected","versionType":"semver"},{"version":"5.10.261","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.212","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.178","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.145","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.97","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.40","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.1.5","lessThanOrEqual":"7.1.*","status":"unaffected","versionType":"semver"},{"version":"7.2","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"5.10.261"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"5.15.212"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"6.1.178"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"6.6.145"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"6.12.97"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"6.18.40"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"7.1.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"7.2"}]}]}],"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"}}}}