{"id":"CVE-2022-50436","state":"PUBLISHED","title":"ext4: don't set up encryption key during jbd2 transaction","description":"In the Linux kernel, the following vulnerability has been resolved:\n\next4: don't set up encryption key during jbd2 transaction\n\nCommit a80f7fcf1867 (\"ext4: fixup ext4_fc_track_* functions' signature\")\nextended the scope of the transaction in ext4_unlink() too far, making\nit include the call to ext4_find_entry().  However, ext4_find_entry()\ncan deadlock when called from within a transaction because it may need\nto set up the directory's encryption key.\n\nFix this by restoring the transaction to its original scope.","publishedAt":"2025-10-01T11:42:13.538Z","updatedAt":"2026-05-11T19:19:27.602Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"a80f7fcf18672ae4971a6b713b58c0d389aa99fe","status":"affected","lessThan":"23ad034760dd38e12b0e0e1b28b9629f330810a1","versionType":"git"},{"version":"a80f7fcf18672ae4971a6b713b58c0d389aa99fe","status":"affected","lessThan":"6220ec405571ded17efedc56587190b542adf246","versionType":"git"},{"version":"a80f7fcf18672ae4971a6b713b58c0d389aa99fe","status":"affected","lessThan":"206dd3acfb9bca54a25b228c7c7c2257eedde09b","versionType":"git"},{"version":"a80f7fcf18672ae4971a6b713b58c0d389aa99fe","status":"affected","lessThan":"1ba993208bcfd691e241483420a2a761d3f15750","versionType":"git"},{"version":"a80f7fcf18672ae4971a6b713b58c0d389aa99fe","status":"affected","lessThan":"4c0d5778385cb3618ff26a561ce41de2b7d9de70","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/ext4/ext4.h","fs/ext4/fast_commit.c","fs/ext4/namei.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.10","versionType":"semver"},{"version":"5.10.163","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.87","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.0.18","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1.4","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/ext4/ext4.h","fs/ext4/fast_commit.c","fs/ext4/namei.c"]}],"references":["https://git.kernel.org/stable/c/23ad034760dd38e12b0e0e1b28b9629f330810a1","https://git.kernel.org/stable/c/6220ec405571ded17efedc56587190b542adf246","https://git.kernel.org/stable/c/206dd3acfb9bca54a25b228c7c7c2257eedde09b","https://git.kernel.org/stable/c/1ba993208bcfd691e241483420a2a761d3f15750","https://git.kernel.org/stable/c/4c0d5778385cb3618ff26a561ce41de2b7d9de70"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/50xxx/CVE-2022-50436.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50436","state":"PUBLISHED","datePublished":"2025-10-01T11:42:13.538Z","dateUpdated":"2026-05-11T19:19:27.602Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-09-17T14:53:07.009Z"},"containers":{"cna":{"title":"ext4: don't set up encryption key during jbd2 transaction","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\next4: don't set up encryption key during jbd2 transaction\n\nCommit a80f7fcf1867 (\"ext4: fixup ext4_fc_track_* functions' signature\")\nextended the scope of the transaction in ext4_unlink() too far, making\nit include the call to ext4_find_entry().  However, ext4_find_entry()\ncan deadlock when called from within a transaction because it may need\nto set up the directory's encryption key.\n\nFix this by restoring the transaction to its original scope."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"a80f7fcf18672ae4971a6b713b58c0d389aa99fe","status":"affected","lessThan":"23ad034760dd38e12b0e0e1b28b9629f330810a1","versionType":"git"},{"version":"a80f7fcf18672ae4971a6b713b58c0d389aa99fe","status":"affected","lessThan":"6220ec405571ded17efedc56587190b542adf246","versionType":"git"},{"version":"a80f7fcf18672ae4971a6b713b58c0d389aa99fe","status":"affected","lessThan":"206dd3acfb9bca54a25b228c7c7c2257eedde09b","versionType":"git"},{"version":"a80f7fcf18672ae4971a6b713b58c0d389aa99fe","status":"affected","lessThan":"1ba993208bcfd691e241483420a2a761d3f15750","versionType":"git"},{"version":"a80f7fcf18672ae4971a6b713b58c0d389aa99fe","status":"affected","lessThan":"4c0d5778385cb3618ff26a561ce41de2b7d9de70","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/ext4/ext4.h","fs/ext4/fast_commit.c","fs/ext4/namei.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.10","versionType":"semver"},{"version":"5.10.163","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.87","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.0.18","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1.4","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/ext4/ext4.h","fs/ext4/fast_commit.c","fs/ext4/namei.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/23ad034760dd38e12b0e0e1b28b9629f330810a1"},{"url":"https://git.kernel.org/stable/c/6220ec405571ded17efedc56587190b542adf246"},{"url":"https://git.kernel.org/stable/c/206dd3acfb9bca54a25b228c7c7c2257eedde09b"},{"url":"https://git.kernel.org/stable/c/1ba993208bcfd691e241483420a2a761d3f15750"},{"url":"https://git.kernel.org/stable/c/4c0d5778385cb3618ff26a561ce41de2b7d9de70"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:19:27.602Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"5.10.163"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"5.15.87"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"6.0.18"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"6.1.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"6.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}