{"id":"CVE-2026-72101","state":"PUBLISHED","title":"dm-integrity: fix leaking uninitialized kernel memory","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndm-integrity: fix leaking uninitialized kernel memory\n\nIf hash size is less than device's tuple size, dm-integrity is supposed\nto zero the remaining space. There was a bug in the code that zeroing\ndidn't work. This commit fixes it.","publishedAt":"2026-08-15T05:52:45.548Z","updatedAt":"2026-08-17T05:08:13.573Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"fb0987682c629c1d2c476f35f6fde405a5e304a4","status":"affected","lessThan":"50af3e51dc709384701dbc721b4bd865285c5f2c","versionType":"git"},{"version":"fb0987682c629c1d2c476f35f6fde405a5e304a4","status":"affected","lessThan":"0c4e9bb1d4101030f55c869f18bd3ece39a77bbb","versionType":"git"},{"version":"fb0987682c629c1d2c476f35f6fde405a5e304a4","status":"affected","lessThan":"8f0af8493009a61b4313e0a8c6e03fbc36fd43f9","versionType":"git"},{"version":"fb0987682c629c1d2c476f35f6fde405a5e304a4","status":"affected","lessThan":"7bb03b2b01b814a9fc14afbfc2cbb2cca5b34750","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/md/dm-integrity.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.11","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.11","versionType":"semver"},{"version":"6.12.101","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.40","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.5","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/md/dm-integrity.c"]}],"references":["https://git.kernel.org/stable/c/50af3e51dc709384701dbc721b4bd865285c5f2c","https://git.kernel.org/stable/c/0c4e9bb1d4101030f55c869f18bd3ece39a77bbb","https://git.kernel.org/stable/c/8f0af8493009a61b4313e0a8c6e03fbc36fd43f9","https://git.kernel.org/stable/c/7bb03b2b01b814a9fc14afbfc2cbb2cca5b34750"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/72xxx/CVE-2026-72101.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-72101","state":"PUBLISHED","datePublished":"2026-08-15T05:52:45.548Z","dateUpdated":"2026-08-17T05:08:13.573Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-08-09T03:40:39.905Z"},"containers":{"cna":{"title":"dm-integrity: fix leaking uninitialized kernel memory","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndm-integrity: fix leaking uninitialized kernel memory\n\nIf hash size is less than device's tuple size, dm-integrity is supposed\nto zero the remaining space. There was a bug in the code that zeroing\ndidn't work. This commit fixes it."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"fb0987682c629c1d2c476f35f6fde405a5e304a4","status":"affected","lessThan":"50af3e51dc709384701dbc721b4bd865285c5f2c","versionType":"git"},{"version":"fb0987682c629c1d2c476f35f6fde405a5e304a4","status":"affected","lessThan":"0c4e9bb1d4101030f55c869f18bd3ece39a77bbb","versionType":"git"},{"version":"fb0987682c629c1d2c476f35f6fde405a5e304a4","status":"affected","lessThan":"8f0af8493009a61b4313e0a8c6e03fbc36fd43f9","versionType":"git"},{"version":"fb0987682c629c1d2c476f35f6fde405a5e304a4","status":"affected","lessThan":"7bb03b2b01b814a9fc14afbfc2cbb2cca5b34750","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/md/dm-integrity.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.11","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.11","versionType":"semver"},{"version":"6.12.101","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.40","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.5","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/md/dm-integrity.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/50af3e51dc709384701dbc721b4bd865285c5f2c"},{"url":"https://git.kernel.org/stable/c/0c4e9bb1d4101030f55c869f18bd3ece39a77bbb"},{"url":"https://git.kernel.org/stable/c/8f0af8493009a61b4313e0a8c6e03fbc36fd43f9"},{"url":"https://git.kernel.org/stable/c/7bb03b2b01b814a9fc14afbfc2cbb2cca5b34750"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-08-17T05:08:13.573Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11","versionEndExcluding":"6.12.101"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11","versionEndExcluding":"6.18.40"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11","versionEndExcluding":"7.1.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11","versionEndExcluding":"7.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}