{"affected":[{"defaultStatus":"unaffected","product":"Linux","source":"CNA: Linux","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","source":"CNA: Linux","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"}]}],"cveId":"CVE-2026-72223","cwes":[],"description":"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 ]","epss":{"date":"2026-11-06","percentile":0.12549,"score":0.0022},"exploits":[],"kev":null,"metrics":[],"modifiedAt":1793985580063,"publishedAt":1786773256019,"references":[{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/2d0364937550a7b3e2592629c2a68753ac020b28"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/eeb95774bc79268e2b78ebf01d8781560b5bd671"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/7563f69caa9143a491d5f26e563255c734751545"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/0b0d9404951aacc9717aa61e77af4a6e9e8f8249"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/873ced7f345e99f7ee16f9ff226515580332ecc4"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/30d490bb2c4cd220e7dedf862ab6a09eb5dcbad5"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/ba59b96d8d21dc8729fca44a022ca5919c1848c9"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/13fe4cd9ddd0aacb7777812328be525a11ea3fea"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/0b0d9404951aacc9717aa61e77af4a6e9e8f8249"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/13fe4cd9ddd0aacb7777812328be525a11ea3fea"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/2d0364937550a7b3e2592629c2a68753ac020b28"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/30d490bb2c4cd220e7dedf862ab6a09eb5dcbad5"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/7563f69caa9143a491d5f26e563255c734751545"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/873ced7f345e99f7ee16f9ff226515580332ecc4"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/ba59b96d8d21dc8729fca44a022ca5919c1848c9"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/eeb95774bc79268e2b78ebf01d8781560b5bd671"}],"remediation":[],"revision":"bc840a57cf44e44e116ee7bfcd20ce71d74ebb8e20d31fc122510c73259c7715","sources":[{"modifiedAt":1793984122661,"name":"CNA: Linux","retrievedAt":1793986066868,"url":"https://www.cve.org/CVERecord?id=CVE-2026-72223"},{"modifiedAt":1793985580063,"name":"NVD","retrievedAt":1793989697640,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-72223"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793986074479,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-72223"}],"ssvc":{"assessedAt":1793983974485,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"nvdimm/btt: Free arena sub-allocations on discover_arenas() error path","updatedAt":1793989697640}