{"id":"CVE-2026-93285","state":"PUBLISHED","title":"f2fs: embed f2fs_gc_kthread in f2fs_sb_info","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: embed f2fs_gc_kthread in f2fs_sb_info\n\nInstead of allocating f2fs_gc_kthread dynamically, embed it in\nf2fs_sb_info. This simplifies lifetime management and prepares for\nfixing race conditions during teardown.\n\n- __sbi_store\t\t\t- remount|shutdown\n\t\t\t\t - f2fs_stop_gc_thread\n - access sbi->gc_thread\n\t\t\t\t  - sbi->gc_thread = NULL\n - access sbi->gc_thread->f2fs_gc_task","publishedAt":"2026-09-24T16:02:09.388Z","updatedAt":"2026-10-30T12:36:39.663Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"7950e9ac638e84518fbdd5c930939ad46a1068c5","status":"affected","lessThan":"f13308f19d710c41a91421ad8a9dce5ed9f82ad0","versionType":"git"},{"version":"7950e9ac638e84518fbdd5c930939ad46a1068c5","status":"affected","lessThan":"89c9954739c9b7aaaa1081faa53aa500b734bb93","versionType":"git"},{"version":"7950e9ac638e84518fbdd5c930939ad46a1068c5","status":"affected","lessThan":"8592a6238d6071fa22228f151abb002db7383750","versionType":"git"},{"version":"7950e9ac638e84518fbdd5c930939ad46a1068c5","status":"affected","lessThan":"cc004a1107e2c44cbdd2f1b1c2c85d32adc8f731","versionType":"git"},{"version":"7950e9ac638e84518fbdd5c930939ad46a1068c5","status":"affected","lessThan":"7ee6be9ee7f9a803e0f539af26ab1154fdde48ba","versionType":"git"},{"version":"7950e9ac638e84518fbdd5c930939ad46a1068c5","status":"affected","lessThan":"23eee01c732ec8c62b05416a05f0f88129df2960","versionType":"git"},{"version":"7950e9ac638e84518fbdd5c930939ad46a1068c5","status":"affected","lessThan":"99d14d61aa8beb6cb9a984b9fcddd45e35b24494","versionType":"git"},{"version":"7950e9ac638e84518fbdd5c930939ad46a1068c5","status":"affected","lessThan":"3d7bca9d583793bb7d0bac0d95a24ddd2e129eed","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/f2fs/debug.c","fs/f2fs/f2fs.h","fs/f2fs/gc.c","fs/f2fs/gc.h","fs/f2fs/segment.c","fs/f2fs/super.c","fs/f2fs/sysfs.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.16","versionType":"semver"},{"version":"5.10.273","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.224","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.112","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.53","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.5","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/f2fs/debug.c","fs/f2fs/f2fs.h","fs/f2fs/gc.c","fs/f2fs/gc.h","fs/f2fs/segment.c","fs/f2fs/super.c","fs/f2fs/sysfs.c"]}],"references":["https://git.kernel.org/stable/c/f13308f19d710c41a91421ad8a9dce5ed9f82ad0","https://git.kernel.org/stable/c/89c9954739c9b7aaaa1081faa53aa500b734bb93","https://git.kernel.org/stable/c/8592a6238d6071fa22228f151abb002db7383750","https://git.kernel.org/stable/c/cc004a1107e2c44cbdd2f1b1c2c85d32adc8f731","https://git.kernel.org/stable/c/7ee6be9ee7f9a803e0f539af26ab1154fdde48ba","https://git.kernel.org/stable/c/23eee01c732ec8c62b05416a05f0f88129df2960","https://git.kernel.org/stable/c/99d14d61aa8beb6cb9a984b9fcddd45e35b24494","https://git.kernel.org/stable/c/3d7bca9d583793bb7d0bac0d95a24ddd2e129eed"],"weaknesses":[],"ingestedAt":"2026-10-30T12:56:04.490Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/93xxx/CVE-2026-93285.json","commit":"1f312381e38164a43607eebab851b151dd16861e","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-93285","state":"PUBLISHED","datePublished":"2026-09-24T16:02:09.388Z","dateUpdated":"2026-10-30T12:36:39.663Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-17T16:02:15.099Z"},"containers":{"cna":{"title":"f2fs: embed f2fs_gc_kthread in f2fs_sb_info","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: embed f2fs_gc_kthread in f2fs_sb_info\n\nInstead of allocating f2fs_gc_kthread dynamically, embed it in\nf2fs_sb_info. This simplifies lifetime management and prepares for\nfixing race conditions during teardown.\n\n- __sbi_store\t\t\t- remount|shutdown\n\t\t\t\t - f2fs_stop_gc_thread\n - access sbi->gc_thread\n\t\t\t\t  - sbi->gc_thread = NULL\n - access sbi->gc_thread->f2fs_gc_task"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"7950e9ac638e84518fbdd5c930939ad46a1068c5","status":"affected","lessThan":"f13308f19d710c41a91421ad8a9dce5ed9f82ad0","versionType":"git"},{"version":"7950e9ac638e84518fbdd5c930939ad46a1068c5","status":"affected","lessThan":"89c9954739c9b7aaaa1081faa53aa500b734bb93","versionType":"git"},{"version":"7950e9ac638e84518fbdd5c930939ad46a1068c5","status":"affected","lessThan":"8592a6238d6071fa22228f151abb002db7383750","versionType":"git"},{"version":"7950e9ac638e84518fbdd5c930939ad46a1068c5","status":"affected","lessThan":"cc004a1107e2c44cbdd2f1b1c2c85d32adc8f731","versionType":"git"},{"version":"7950e9ac638e84518fbdd5c930939ad46a1068c5","status":"affected","lessThan":"7ee6be9ee7f9a803e0f539af26ab1154fdde48ba","versionType":"git"},{"version":"7950e9ac638e84518fbdd5c930939ad46a1068c5","status":"affected","lessThan":"23eee01c732ec8c62b05416a05f0f88129df2960","versionType":"git"},{"version":"7950e9ac638e84518fbdd5c930939ad46a1068c5","status":"affected","lessThan":"99d14d61aa8beb6cb9a984b9fcddd45e35b24494","versionType":"git"},{"version":"7950e9ac638e84518fbdd5c930939ad46a1068c5","status":"affected","lessThan":"3d7bca9d583793bb7d0bac0d95a24ddd2e129eed","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/f2fs/debug.c","fs/f2fs/f2fs.h","fs/f2fs/gc.c","fs/f2fs/gc.h","fs/f2fs/segment.c","fs/f2fs/super.c","fs/f2fs/sysfs.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.16","versionType":"semver"},{"version":"5.10.273","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.224","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.112","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.53","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.5","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/f2fs/debug.c","fs/f2fs/f2fs.h","fs/f2fs/gc.c","fs/f2fs/gc.h","fs/f2fs/segment.c","fs/f2fs/super.c","fs/f2fs/sysfs.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/f13308f19d710c41a91421ad8a9dce5ed9f82ad0"},{"url":"https://git.kernel.org/stable/c/89c9954739c9b7aaaa1081faa53aa500b734bb93"},{"url":"https://git.kernel.org/stable/c/8592a6238d6071fa22228f151abb002db7383750"},{"url":"https://git.kernel.org/stable/c/cc004a1107e2c44cbdd2f1b1c2c85d32adc8f731"},{"url":"https://git.kernel.org/stable/c/7ee6be9ee7f9a803e0f539af26ab1154fdde48ba"},{"url":"https://git.kernel.org/stable/c/23eee01c732ec8c62b05416a05f0f88129df2960"},{"url":"https://git.kernel.org/stable/c/99d14d61aa8beb6cb9a984b9fcddd45e35b24494"},{"url":"https://git.kernel.org/stable/c/3d7bca9d583793bb7d0bac0d95a24ddd2e129eed"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-30T12:36:39.663Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.16","versionEndExcluding":"5.10.273"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.16","versionEndExcluding":"5.15.224"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.16","versionEndExcluding":"6.1.191"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.16","versionEndExcluding":"6.6.160"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.16","versionEndExcluding":"6.12.112"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.16","versionEndExcluding":"6.18.53"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.16","versionEndExcluding":"7.2.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.16","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}