{"id":"CVE-2023-53786","state":"PUBLISHED","title":"dm flakey: fix a crash with invalid table line","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndm flakey: fix a crash with invalid table line\n\nThis command will crash with NULL pointer dereference:\n dmsetup create flakey --table \\\n  \"0 `blockdev --getsize /dev/ram0` flakey /dev/ram0 0 0 1 2 corrupt_bio_byte 512\"\n\nFix the crash by checking if arg_name is non-NULL before comparing it.","publishedAt":"2025-12-09T00:00:41.426Z","updatedAt":"2026-05-11T19:51:30.126Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"a3998799fb4df0b0af8271a7d50c4269032397aa","status":"affected","lessThan":"f95cb1526669ccdf7eb12eefd57a893953e3595f","versionType":"git"},{"version":"a3998799fb4df0b0af8271a7d50c4269032397aa","status":"affected","lessThan":"12849ed107c0b2869fb775c81208050899006f07","versionType":"git"},{"version":"a3998799fb4df0b0af8271a7d50c4269032397aa","status":"affected","lessThan":"337b7af273562b73c46ef77a724604ad139ca762","versionType":"git"},{"version":"a3998799fb4df0b0af8271a7d50c4269032397aa","status":"affected","lessThan":"a1e3fffe02e05c05357af91364ac0fc1ed425b5b","versionType":"git"},{"version":"a3998799fb4df0b0af8271a7d50c4269032397aa","status":"affected","lessThan":"f76fcb9d43ec014ac4a1bb983768696d5b032df9","versionType":"git"},{"version":"a3998799fb4df0b0af8271a7d50c4269032397aa","status":"affected","lessThan":"cb874a190f3f7c3c3fa5b979bee7a3b8cc3a19cc","versionType":"git"},{"version":"a3998799fb4df0b0af8271a7d50c4269032397aa","status":"affected","lessThan":"83b4e3d878ea6be9aec1d5a1ab177c766c64d1a0","versionType":"git"},{"version":"a3998799fb4df0b0af8271a7d50c4269032397aa","status":"affected","lessThan":"8258d84a7917aeece773716518deadb7ad776cb7","versionType":"git"},{"version":"a3998799fb4df0b0af8271a7d50c4269032397aa","status":"affected","lessThan":"98dba02d9a93eec11bffbb93c7c51624290702d2","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/md/dm-flakey.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.1","versionType":"semver"},{"version":"4.14.315","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.283","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.243","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.180","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.111","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.28","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2.15","status":"unaffected","lessThanOrEqual":"6.2.*","versionType":"semver"},{"version":"6.3.2","status":"unaffected","lessThanOrEqual":"6.3.*","versionType":"semver"},{"version":"6.4","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-flakey.c"]}],"references":["https://git.kernel.org/stable/c/f95cb1526669ccdf7eb12eefd57a893953e3595f","https://git.kernel.org/stable/c/12849ed107c0b2869fb775c81208050899006f07","https://git.kernel.org/stable/c/337b7af273562b73c46ef77a724604ad139ca762","https://git.kernel.org/stable/c/a1e3fffe02e05c05357af91364ac0fc1ed425b5b","https://git.kernel.org/stable/c/f76fcb9d43ec014ac4a1bb983768696d5b032df9","https://git.kernel.org/stable/c/cb874a190f3f7c3c3fa5b979bee7a3b8cc3a19cc","https://git.kernel.org/stable/c/83b4e3d878ea6be9aec1d5a1ab177c766c64d1a0","https://git.kernel.org/stable/c/8258d84a7917aeece773716518deadb7ad776cb7","https://git.kernel.org/stable/c/98dba02d9a93eec11bffbb93c7c51624290702d2"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/53xxx/CVE-2023-53786.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53786","state":"PUBLISHED","datePublished":"2025-12-09T00:00:41.426Z","dateUpdated":"2026-05-11T19:51:30.126Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-12-08T23:58:35.273Z"},"containers":{"cna":{"title":"dm flakey: fix a crash with invalid table line","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndm flakey: fix a crash with invalid table line\n\nThis command will crash with NULL pointer dereference:\n dmsetup create flakey --table \\\n  \"0 `blockdev --getsize /dev/ram0` flakey /dev/ram0 0 0 1 2 corrupt_bio_byte 512\"\n\nFix the crash by checking if arg_name is non-NULL before comparing it."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"a3998799fb4df0b0af8271a7d50c4269032397aa","status":"affected","lessThan":"f95cb1526669ccdf7eb12eefd57a893953e3595f","versionType":"git"},{"version":"a3998799fb4df0b0af8271a7d50c4269032397aa","status":"affected","lessThan":"12849ed107c0b2869fb775c81208050899006f07","versionType":"git"},{"version":"a3998799fb4df0b0af8271a7d50c4269032397aa","status":"affected","lessThan":"337b7af273562b73c46ef77a724604ad139ca762","versionType":"git"},{"version":"a3998799fb4df0b0af8271a7d50c4269032397aa","status":"affected","lessThan":"a1e3fffe02e05c05357af91364ac0fc1ed425b5b","versionType":"git"},{"version":"a3998799fb4df0b0af8271a7d50c4269032397aa","status":"affected","lessThan":"f76fcb9d43ec014ac4a1bb983768696d5b032df9","versionType":"git"},{"version":"a3998799fb4df0b0af8271a7d50c4269032397aa","status":"affected","lessThan":"cb874a190f3f7c3c3fa5b979bee7a3b8cc3a19cc","versionType":"git"},{"version":"a3998799fb4df0b0af8271a7d50c4269032397aa","status":"affected","lessThan":"83b4e3d878ea6be9aec1d5a1ab177c766c64d1a0","versionType":"git"},{"version":"a3998799fb4df0b0af8271a7d50c4269032397aa","status":"affected","lessThan":"8258d84a7917aeece773716518deadb7ad776cb7","versionType":"git"},{"version":"a3998799fb4df0b0af8271a7d50c4269032397aa","status":"affected","lessThan":"98dba02d9a93eec11bffbb93c7c51624290702d2","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/md/dm-flakey.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.1","versionType":"semver"},{"version":"4.14.315","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.283","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.243","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.180","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.111","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.28","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2.15","status":"unaffected","lessThanOrEqual":"6.2.*","versionType":"semver"},{"version":"6.3.2","status":"unaffected","lessThanOrEqual":"6.3.*","versionType":"semver"},{"version":"6.4","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-flakey.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/f95cb1526669ccdf7eb12eefd57a893953e3595f"},{"url":"https://git.kernel.org/stable/c/12849ed107c0b2869fb775c81208050899006f07"},{"url":"https://git.kernel.org/stable/c/337b7af273562b73c46ef77a724604ad139ca762"},{"url":"https://git.kernel.org/stable/c/a1e3fffe02e05c05357af91364ac0fc1ed425b5b"},{"url":"https://git.kernel.org/stable/c/f76fcb9d43ec014ac4a1bb983768696d5b032df9"},{"url":"https://git.kernel.org/stable/c/cb874a190f3f7c3c3fa5b979bee7a3b8cc3a19cc"},{"url":"https://git.kernel.org/stable/c/83b4e3d878ea6be9aec1d5a1ab177c766c64d1a0"},{"url":"https://git.kernel.org/stable/c/8258d84a7917aeece773716518deadb7ad776cb7"},{"url":"https://git.kernel.org/stable/c/98dba02d9a93eec11bffbb93c7c51624290702d2"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:51:30.126Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.1","versionEndExcluding":"4.14.315"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.1","versionEndExcluding":"4.19.283"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.1","versionEndExcluding":"5.4.243"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.1","versionEndExcluding":"5.10.180"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.1","versionEndExcluding":"5.15.111"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.1","versionEndExcluding":"6.1.28"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.1","versionEndExcluding":"6.2.15"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.1","versionEndExcluding":"6.3.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.1","versionEndExcluding":"6.4"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}