{"id":"CVE-2022-50512","state":"PUBLISHED","title":"ext4: fix potential memory leak in ext4_fc_record_regions()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\next4: fix potential memory leak in ext4_fc_record_regions()\n\nAs krealloc may return NULL, in this case 'state->fc_regions' may not be\nfreed by krealloc, but 'state->fc_regions' already set NULL. Then will\nlead to 'state->fc_regions' memory leak.","publishedAt":"2025-10-07T15:19:08.854Z","updatedAt":"2026-05-11T19:20:51.832Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2","status":"affected","lessThan":"2cfb769d60a2a57eb3566765428b6131cd16dcfe","versionType":"git"},{"version":"8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2","status":"affected","lessThan":"417b0455a0b6d0f60a2930592731d1f8340e24be","versionType":"git"},{"version":"8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2","status":"affected","lessThan":"a4058b869e6c5e517c79e30532a350d0f3115c3e","versionType":"git"},{"version":"8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2","status":"affected","lessThan":"518566e71ad86b7c2f1bf6d9caee9588bb7ac158","versionType":"git"},{"version":"8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2","status":"affected","lessThan":"7069d105c1f15c442b68af43f7fde784f3126739","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/ext4/fast_commit.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.10","versionType":"semver"},{"version":"5.10.150","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.75","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.19.17","status":"unaffected","lessThanOrEqual":"5.19.*","versionType":"semver"},{"version":"6.0.3","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/ext4/fast_commit.c"]}],"references":["https://git.kernel.org/stable/c/2cfb769d60a2a57eb3566765428b6131cd16dcfe","https://git.kernel.org/stable/c/417b0455a0b6d0f60a2930592731d1f8340e24be","https://git.kernel.org/stable/c/a4058b869e6c5e517c79e30532a350d0f3115c3e","https://git.kernel.org/stable/c/518566e71ad86b7c2f1bf6d9caee9588bb7ac158","https://git.kernel.org/stable/c/7069d105c1f15c442b68af43f7fde784f3126739"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/50xxx/CVE-2022-50512.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50512","state":"PUBLISHED","datePublished":"2025-10-07T15:19:08.854Z","dateUpdated":"2026-05-11T19:20:51.832Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-10-07T15:14:58.491Z"},"containers":{"cna":{"title":"ext4: fix potential memory leak in ext4_fc_record_regions()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\next4: fix potential memory leak in ext4_fc_record_regions()\n\nAs krealloc may return NULL, in this case 'state->fc_regions' may not be\nfreed by krealloc, but 'state->fc_regions' already set NULL. Then will\nlead to 'state->fc_regions' memory leak."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2","status":"affected","lessThan":"2cfb769d60a2a57eb3566765428b6131cd16dcfe","versionType":"git"},{"version":"8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2","status":"affected","lessThan":"417b0455a0b6d0f60a2930592731d1f8340e24be","versionType":"git"},{"version":"8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2","status":"affected","lessThan":"a4058b869e6c5e517c79e30532a350d0f3115c3e","versionType":"git"},{"version":"8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2","status":"affected","lessThan":"518566e71ad86b7c2f1bf6d9caee9588bb7ac158","versionType":"git"},{"version":"8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2","status":"affected","lessThan":"7069d105c1f15c442b68af43f7fde784f3126739","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/ext4/fast_commit.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.10","versionType":"semver"},{"version":"5.10.150","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.75","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.19.17","status":"unaffected","lessThanOrEqual":"5.19.*","versionType":"semver"},{"version":"6.0.3","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/ext4/fast_commit.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/2cfb769d60a2a57eb3566765428b6131cd16dcfe"},{"url":"https://git.kernel.org/stable/c/417b0455a0b6d0f60a2930592731d1f8340e24be"},{"url":"https://git.kernel.org/stable/c/a4058b869e6c5e517c79e30532a350d0f3115c3e"},{"url":"https://git.kernel.org/stable/c/518566e71ad86b7c2f1bf6d9caee9588bb7ac158"},{"url":"https://git.kernel.org/stable/c/7069d105c1f15c442b68af43f7fde784f3126739"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:20:51.832Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"5.10.150"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"5.15.75"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"5.19.17"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"6.0.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"6.1"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}