{"id":"CVE-2023-53861","state":"PUBLISHED","title":"ext4: correct grp validation in ext4_mb_good_group","description":"In the Linux kernel, the following vulnerability has been resolved:\n\next4: correct grp validation in ext4_mb_good_group\n\nGroup corruption check will access memory of grp and will trigger kernel\ncrash if grp is NULL. So do NULL check before corruption check.","publishedAt":"2025-12-09T01:30:29.423Z","updatedAt":"2026-05-23T15:31:31.661Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"100c0ad6c04597fefeaaba2bb1827cc015d95067","status":"affected","lessThan":"245759d987b617d183061db6ab8886ebb5cc78e9","versionType":"git"},{"version":"620a3c28221bb219b81bc0bffd065cc187494302","status":"affected","lessThan":"3e24082f16825279054a2b8a5e668d65070bbf07","versionType":"git"},{"version":"b4319e457d6e3fb33e443efeaf4634fc36e8a9ed","status":"affected","lessThan":"772ca4bc1d0d21320ef2ecc0f9e4f90ea85a035d","versionType":"git"},{"version":"5354b2af34064a4579be8bc0e2f15a7b70f14b5f","status":"affected","lessThan":"83a9d5f5ec7e75640b1ba0bbd77a4888df798bb4","versionType":"git"},{"version":"5354b2af34064a4579be8bc0e2f15a7b70f14b5f","status":"affected","lessThan":"e69d665987db0e37896adf78a7e718f9a0a75d3f","versionType":"git"},{"version":"5354b2af34064a4579be8bc0e2f15a7b70f14b5f","status":"affected","lessThan":"a9ce5993a0f5c0887c8a1b4ffa3b8046fbcfdc93","versionType":"git"},{"version":"31668cebf45adfb6283e465e641c4f5a21b07afa","status":"affected","versionType":"git"},{"version":"5.10.181","status":"affected","lessThan":"5.10.195","versionType":"semver"},{"version":"5.15.113","status":"affected","lessThan":"5.15.132","versionType":"semver"},{"version":"6.1.30","status":"affected","lessThan":"6.1.53","versionType":"semver"},{"version":"6.3.4","status":"affected","lessThan":"6.4","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/ext4/mballoc.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.4","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.4","versionType":"semver"},{"version":"5.10.195","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.132","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.53","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.4.16","status":"unaffected","lessThanOrEqual":"6.4.*","versionType":"semver"},{"version":"6.5.3","status":"unaffected","lessThanOrEqual":"6.5.*","versionType":"semver"},{"version":"6.6","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/ext4/mballoc.c"]}],"references":["https://git.kernel.org/stable/c/245759d987b617d183061db6ab8886ebb5cc78e9","https://git.kernel.org/stable/c/3e24082f16825279054a2b8a5e668d65070bbf07","https://git.kernel.org/stable/c/772ca4bc1d0d21320ef2ecc0f9e4f90ea85a035d","https://git.kernel.org/stable/c/83a9d5f5ec7e75640b1ba0bbd77a4888df798bb4","https://git.kernel.org/stable/c/e69d665987db0e37896adf78a7e718f9a0a75d3f","https://git.kernel.org/stable/c/a9ce5993a0f5c0887c8a1b4ffa3b8046fbcfdc93"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/53xxx/CVE-2023-53861.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53861","state":"PUBLISHED","datePublished":"2025-12-09T01:30:29.423Z","dateUpdated":"2026-05-23T15:31:31.661Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-12-09T01:27:17.829Z"},"containers":{"cna":{"title":"ext4: correct grp validation in ext4_mb_good_group","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\next4: correct grp validation in ext4_mb_good_group\n\nGroup corruption check will access memory of grp and will trigger kernel\ncrash if grp is NULL. So do NULL check before corruption check."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"100c0ad6c04597fefeaaba2bb1827cc015d95067","status":"affected","lessThan":"245759d987b617d183061db6ab8886ebb5cc78e9","versionType":"git"},{"version":"620a3c28221bb219b81bc0bffd065cc187494302","status":"affected","lessThan":"3e24082f16825279054a2b8a5e668d65070bbf07","versionType":"git"},{"version":"b4319e457d6e3fb33e443efeaf4634fc36e8a9ed","status":"affected","lessThan":"772ca4bc1d0d21320ef2ecc0f9e4f90ea85a035d","versionType":"git"},{"version":"5354b2af34064a4579be8bc0e2f15a7b70f14b5f","status":"affected","lessThan":"83a9d5f5ec7e75640b1ba0bbd77a4888df798bb4","versionType":"git"},{"version":"5354b2af34064a4579be8bc0e2f15a7b70f14b5f","status":"affected","lessThan":"e69d665987db0e37896adf78a7e718f9a0a75d3f","versionType":"git"},{"version":"5354b2af34064a4579be8bc0e2f15a7b70f14b5f","status":"affected","lessThan":"a9ce5993a0f5c0887c8a1b4ffa3b8046fbcfdc93","versionType":"git"},{"version":"31668cebf45adfb6283e465e641c4f5a21b07afa","status":"affected","versionType":"git"},{"version":"5.10.181","status":"affected","lessThan":"5.10.195","versionType":"semver"},{"version":"5.15.113","status":"affected","lessThan":"5.15.132","versionType":"semver"},{"version":"6.1.30","status":"affected","lessThan":"6.1.53","versionType":"semver"},{"version":"6.3.4","status":"affected","lessThan":"6.4","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/ext4/mballoc.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.4","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.4","versionType":"semver"},{"version":"5.10.195","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.132","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.53","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.4.16","status":"unaffected","lessThanOrEqual":"6.4.*","versionType":"semver"},{"version":"6.5.3","status":"unaffected","lessThanOrEqual":"6.5.*","versionType":"semver"},{"version":"6.6","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/ext4/mballoc.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/245759d987b617d183061db6ab8886ebb5cc78e9"},{"url":"https://git.kernel.org/stable/c/3e24082f16825279054a2b8a5e668d65070bbf07"},{"url":"https://git.kernel.org/stable/c/772ca4bc1d0d21320ef2ecc0f9e4f90ea85a035d"},{"url":"https://git.kernel.org/stable/c/83a9d5f5ec7e75640b1ba0bbd77a4888df798bb4"},{"url":"https://git.kernel.org/stable/c/e69d665987db0e37896adf78a7e718f9a0a75d3f"},{"url":"https://git.kernel.org/stable/c/a9ce5993a0f5c0887c8a1b4ffa3b8046fbcfdc93"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-23T15:31:31.661Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10.181","versionEndExcluding":"5.10.195"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15.113","versionEndExcluding":"5.15.132"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1.30","versionEndExcluding":"6.1.53"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.4","versionEndExcluding":"6.4.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.4","versionEndExcluding":"6.5.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.4","versionEndExcluding":"6.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.3.4"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}