{"id":"CVE-2023-53301","state":"PUBLISHED","title":"f2fs: fix kernel crash due to null io->bio","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: fix kernel crash due to null io->bio\n\nWe should return when io->bio is null before doing anything. Otherwise, panic.\n\nBUG: kernel NULL pointer dereference, address: 0000000000000010\nRIP: 0010:__submit_merged_write_cond+0x164/0x240 [f2fs]\nCall Trace:\n <TASK>\n f2fs_submit_merged_write+0x1d/0x30 [f2fs]\n commit_checkpoint+0x110/0x1e0 [f2fs]\n f2fs_write_checkpoint+0x9f7/0xf00 [f2fs]\n ? __pfx_issue_checkpoint_thread+0x10/0x10 [f2fs]\n __checkpoint_and_complete_reqs+0x84/0x190 [f2fs]\n ? preempt_count_add+0x82/0xc0\n ? __pfx_issue_checkpoint_thread+0x10/0x10 [f2fs]\n issue_checkpoint_thread+0x4c/0xf0 [f2fs]\n ? __pfx_autoremove_wake_function+0x10/0x10\n kthread+0xff/0x130\n ? __pfx_kthread+0x10/0x10\n ret_from_fork+0x2c/0x50\n </TASK>","publishedAt":"2025-09-16T08:11:32.344Z","updatedAt":"2026-05-11T19:42:17.939Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"64bf0eef0171912f7c2f3ea30ee6ad7a2ad0a511","status":"affected","lessThan":"83dbb9a1bd5ef2eea73275906fc50b2fdda39cd5","versionType":"git"},{"version":"64bf0eef0171912f7c2f3ea30ee6ad7a2ad0a511","status":"affected","lessThan":"eb52f13c6093ac761dbeaa459c810fc0253209fc","versionType":"git"},{"version":"64bf0eef0171912f7c2f3ea30ee6ad7a2ad0a511","status":"affected","lessThan":"267c159f9c7bcb7009dae16889b880c5ed8759a8","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/f2fs/data.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.18","versionType":"semver"},{"version":"6.1.16","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2.3","status":"unaffected","lessThanOrEqual":"6.2.*","versionType":"semver"},{"version":"6.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/f2fs/data.c"]}],"references":["https://git.kernel.org/stable/c/83dbb9a1bd5ef2eea73275906fc50b2fdda39cd5","https://git.kernel.org/stable/c/eb52f13c6093ac761dbeaa459c810fc0253209fc","https://git.kernel.org/stable/c/267c159f9c7bcb7009dae16889b880c5ed8759a8"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/53xxx/CVE-2023-53301.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53301","state":"PUBLISHED","datePublished":"2025-09-16T08:11:32.344Z","dateUpdated":"2026-05-11T19:42:17.939Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-09-16T08:09:37.993Z"},"containers":{"cna":{"title":"f2fs: fix kernel crash due to null io->bio","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: fix kernel crash due to null io->bio\n\nWe should return when io->bio is null before doing anything. Otherwise, panic.\n\nBUG: kernel NULL pointer dereference, address: 0000000000000010\nRIP: 0010:__submit_merged_write_cond+0x164/0x240 [f2fs]\nCall Trace:\n <TASK>\n f2fs_submit_merged_write+0x1d/0x30 [f2fs]\n commit_checkpoint+0x110/0x1e0 [f2fs]\n f2fs_write_checkpoint+0x9f7/0xf00 [f2fs]\n ? __pfx_issue_checkpoint_thread+0x10/0x10 [f2fs]\n __checkpoint_and_complete_reqs+0x84/0x190 [f2fs]\n ? preempt_count_add+0x82/0xc0\n ? __pfx_issue_checkpoint_thread+0x10/0x10 [f2fs]\n issue_checkpoint_thread+0x4c/0xf0 [f2fs]\n ? __pfx_autoremove_wake_function+0x10/0x10\n kthread+0xff/0x130\n ? __pfx_kthread+0x10/0x10\n ret_from_fork+0x2c/0x50\n </TASK>"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"64bf0eef0171912f7c2f3ea30ee6ad7a2ad0a511","status":"affected","lessThan":"83dbb9a1bd5ef2eea73275906fc50b2fdda39cd5","versionType":"git"},{"version":"64bf0eef0171912f7c2f3ea30ee6ad7a2ad0a511","status":"affected","lessThan":"eb52f13c6093ac761dbeaa459c810fc0253209fc","versionType":"git"},{"version":"64bf0eef0171912f7c2f3ea30ee6ad7a2ad0a511","status":"affected","lessThan":"267c159f9c7bcb7009dae16889b880c5ed8759a8","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/f2fs/data.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.18","versionType":"semver"},{"version":"6.1.16","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2.3","status":"unaffected","lessThanOrEqual":"6.2.*","versionType":"semver"},{"version":"6.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/f2fs/data.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/83dbb9a1bd5ef2eea73275906fc50b2fdda39cd5"},{"url":"https://git.kernel.org/stable/c/eb52f13c6093ac761dbeaa459c810fc0253209fc"},{"url":"https://git.kernel.org/stable/c/267c159f9c7bcb7009dae16889b880c5ed8759a8"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:42:17.939Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"6.1.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"6.2.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"6.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}