{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-43166","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-05-01T14:12:55.990Z","datePublished":"2026-05-06T11:27:43.242Z","dateUpdated":"2026-05-11T22:19:02.697Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T22:19:02.697Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nerofs: fix interlaced plain identification for encoded extents\n\nOnly plain data whose start position and on-disk physical length are\nboth aligned to the block size should be classified as interlaced\nplain extents. Otherwise, it must be treated as shifted plain extents.\n\nThis issue was found by syzbot using a crafted compressed image\ncontaining plain extents with unaligned physical lengths, which can\ncause OOB read in z_erofs_transform_plain()."}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H","baseScore":7.1,"baseSeverity":"HIGH"}}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/erofs/zmap.c"],"versions":[{"version":"1d191b4ca51d73699cb127386b95ac152af2b930","lessThan":"9d5a97bc71ed5783687705c708454c4453aa91d1","status":"affected","versionType":"git"},{"version":"1d191b4ca51d73699cb127386b95ac152af2b930","lessThan":"d3790f26d38606f020212486359b84632c19d08b","status":"affected","versionType":"git"},{"version":"1d191b4ca51d73699cb127386b95ac152af2b930","lessThan":"4a2d046e4b13202a6301a993961f5b30ae4d7119","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/erofs/zmap.c"],"versions":[{"version":"6.15","status":"affected"},{"version":"0","lessThan":"6.15","status":"unaffected","versionType":"semver"},{"version":"6.18.16","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"6.19.6","lessThanOrEqual":"6.19.*","status":"unaffected","versionType":"semver"},{"version":"7.0","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":"6.15","versionEndExcluding":"6.18.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.15","versionEndExcluding":"6.19.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.15","versionEndExcluding":"7.0"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/9d5a97bc71ed5783687705c708454c4453aa91d1"},{"url":"https://git.kernel.org/stable/c/d3790f26d38606f020212486359b84632c19d08b"},{"url":"https://git.kernel.org/stable/c/4a2d046e4b13202a6301a993961f5b30ae4d7119"}],"title":"erofs: fix interlaced plain identification for encoded extents","x_generator":{"engine":"bippy-1.2.0"}}}}