CVE-2026-93285

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-93285", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-17T16:02:15.099Z", "datePublished": "2026-09-24T16:02:09.388Z", "dateUpdated": "2026-10-30T12:36:39.663Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-30T12:36:39.663Z"}, "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": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "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"], "versions": [{"version": "7950e9ac638e84518fbdd5c930939ad46a1068c5", "lessThan": "f13308f19d710c41a91421ad8a9dce5ed9f82ad0", "status": "affected", "versionType": "git"}, {"version": "7950e9ac638e84518fbdd5c930939ad46a1068c5", "lessThan": "89c9954739c9b7aaaa1081faa53aa500b734bb93", "status": "affected", "versionType": "git"}, {"version": "7950e9ac638e84518fbdd5c930939ad46a1068c5", "lessThan": "8592a6238d6071fa22228f151abb002db7383750", "status": "affected", "versionType": "git"}, {"version": "7950e9ac638e84518fbdd5c930939ad46a1068c5", "lessThan": "cc004a1107e2c44cbdd2f1b1c2c85d32adc8f731", "status": "affected", "versionType": "git"}, {"version": "7950e9ac638e84518fbdd5c930939ad46a1068c5", "lessThan": "7ee6be9ee7f9a803e0f539af26ab1154fdde48ba", "status": "affected", "versionType": "git"}, {"version": "7950e9ac638e84518fbdd5c930939ad46a1068c5", "lessThan": "23eee01c732ec8c62b05416a05f0f88129df2960", "status": "affected", "versionType": "git"}, {"version": "7950e9ac638e84518fbdd5c930939ad46a1068c5", "lessThan": "99d14d61aa8beb6cb9a984b9fcddd45e35b24494", "status": "affected", "versionType": "git"}, {"version": "7950e9ac638e84518fbdd5c930939ad46a1068c5", "lessThan": "3d7bca9d583793bb7d0bac0d95a24ddd2e129eed", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "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"], "versions": [{"version": "4.16", "status": "affected"}, {"version": "0", "lessThan": "4.16", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.273", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.224", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.191", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.160", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.112", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.53", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.5", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "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"}]}]}], "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"}], "title": "f2fs: embed f2fs_gc_kthread in f2fs_sb_info", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "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"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "f13308f19d710c41a91421ad8a9dce5ed9f82ad0", "status": "affected", "version": "7950e9ac638e84518fbdd5c930939ad46a1068c5", "versionType": "git"}, {"lessThan": "89c9954739c9b7aaaa1081faa53aa500b734bb93", "status": "affected", "version": "7950e9ac638e84518fbdd5c930939ad46a1068c5", "versionType": "git"}, {"lessThan": "8592a6238d6071fa22228f151abb002db7383750", "status": "affected", "version": "7950e9ac638e84518fbdd5c930939ad46a1068c5", "versionType": "git"}, {"lessThan": "cc004a1107e2c44cbdd2f1b1c2c85d32adc8f731", "status": "affected", "version": "7950e9ac638e84518fbdd5c930939ad46a1068c5", "versionType": "git"}, {"lessThan": "7ee6be9ee7f9a803e0f539af26ab1154fdde48ba", "status": "affected", "version": "7950e9ac638e84518fbdd5c930939ad46a1068c5", "versionType": "git"}, {"lessThan": "23eee01c732ec8c62b05416a05f0f88129df2960", "status": "affected", "version": "7950e9ac638e84518fbdd5c930939ad46a1068c5", "versionType": "git"}, {"lessThan": "99d14d61aa8beb6cb9a984b9fcddd45e35b24494", "status": "affected", "version": "7950e9ac638e84518fbdd5c930939ad46a1068c5", "versionType": "git"}, {"lessThan": "3d7bca9d583793bb7d0bac0d95a24ddd2e129eed", "status": "affected", "version": "7950e9ac638e84518fbdd5c930939ad46a1068c5", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "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"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "4.16"}, {"lessThan": "4.16", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.273", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.224", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.191", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.160", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.112", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.53", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.5", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "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"}], "id": "CVE-2026-93285", "lastModified": "2026-10-30T13:21:02.143", "metrics": {}, "published": "2026-09-24T17:17:09.697", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/23eee01c732ec8c62b05416a05f0f88129df2960"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3d7bca9d583793bb7d0bac0d95a24ddd2e129eed"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7ee6be9ee7f9a803e0f539af26ab1154fdde48ba"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8592a6238d6071fa22228f151abb002db7383750"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/89c9954739c9b7aaaa1081faa53aa500b734bb93"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/99d14d61aa8beb6cb9a984b9fcddd45e35b24494"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/cc004a1107e2c44cbdd2f1b1c2c85d32adc8f731"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f13308f19d710c41a91421ad8a9dce5ed9f82ad0"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: f2fs: embed f2fs_gc_kthread in f2fs_sb_info", "id": "2540436", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2540436"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-476", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nf2fs: embed f2fs_gc_kthread in f2fs_sb_info\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- __sbi_store- remount|shutdown\n- f2fs_stop_gc_thread\n- access sbi->gc_thread\n- sbi->gc_thread = NULL\n- access sbi->gc_thread->f2fs_gc_task", "A flaw was found in the Linux kernel's Flash-Friendly File System (F2FS). A race condition exists during filesystem remount or shutdown operations where background garbage collection tasks are improperly synchronized with teardown routines. A local user could exploit this timing flaw through concurrent filesystem operations, leading to an invalid memory access and a kernel crash that results in a Denial of Service (DoS)."], "name": "CVE-2026-93285", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift/ose-rhel-coreos-8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift/ose-rhel-coreos-9", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-09-24T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-93285\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-93285\nhttps://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-93285.mbox"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[7950e9ac638e84518fbdd5c930939ad46a1068c5,23eee01c732ec8c62b05416a05f0f88129df2960)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[7950e9ac638e84518fbdd5c930939ad46a1068c5,99d14d61aa8beb6cb9a984b9fcddd45e35b24494)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[7950e9ac638e84518fbdd5c930939ad46a1068c5,3d7bca9d583793bb7d0bac0d95a24ddd2e129eed)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "4.16"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,4.16)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.53,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.5,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.3-rc1,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-09-24T20:45:07.554323+00:00", "updated": "2026-10-01T21:15:09.063466+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}