{"id":"CVE-2026-98792","state":"PUBLISHED","title":"netfilter: flowtable: generalize pending status bit","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: flowtable: generalize pending status bit\n\nRename NF_FLOW_HW_PENDING to NF_FLOW_PENDING and use it to inhibit the\nflowtable GC worker until pending hw offload work has been completed.\n\nApparently, nf_flow_offload_stats() can schedule work to retrieve stats\nwhile the flow is being removed by GC.\n\nAnd this bit can also be used in a follow up patch to disable GC until\nthe flow has been fully added in both directions.\n\nRevert the reordering done in commit d644b23afe1e (\"netfilter:\nflowtable: publish HW_DEAD after worker is done\") to prevent a race\nbetween GC and hw offload handler.","publishedAt":"2026-10-18T15:48:31.098Z","updatedAt":"2026-10-21T12:57:01.669Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"2c8897953f3b2ff5498f3f275708a742bfcdbc24","status":"affected","lessThan":"f7e292f3c8c853f27a1af7eaf3428a0e76fe5fcc","versionType":"git"},{"version":"2c8897953f3b2ff5498f3f275708a742bfcdbc24","status":"affected","lessThan":"4d52b72f3aa68ad0536444e36530bda75070194c","versionType":"git"},{"version":"2c8897953f3b2ff5498f3f275708a742bfcdbc24","status":"affected","lessThan":"4033e1a9262c57dfbfc594a591a50fcba63c531a","versionType":"git"},{"version":"2c8897953f3b2ff5498f3f275708a742bfcdbc24","status":"affected","lessThan":"a2cac45848d1cf31ed190db30f90ba8211e9a8ca","versionType":"git"},{"version":"2c8897953f3b2ff5498f3f275708a742bfcdbc24","status":"affected","lessThan":"7c549fb7eecd01fdba7c0d12c01da876ef8a3214","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["include/net/netfilter/nf_flow_table.h","net/netfilter/nf_flow_table_core.c","net/netfilter/nf_flow_table_offload.c","net/sched/act_ct.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.7","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.113","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.56","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.10","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":["include/net/netfilter/nf_flow_table.h","net/netfilter/nf_flow_table_core.c","net/netfilter/nf_flow_table_offload.c","net/sched/act_ct.c"]}],"references":["https://git.kernel.org/stable/c/f7e292f3c8c853f27a1af7eaf3428a0e76fe5fcc","https://git.kernel.org/stable/c/4d52b72f3aa68ad0536444e36530bda75070194c","https://git.kernel.org/stable/c/4033e1a9262c57dfbfc594a591a50fcba63c531a","https://git.kernel.org/stable/c/a2cac45848d1cf31ed190db30f90ba8211e9a8ca","https://git.kernel.org/stable/c/7c549fb7eecd01fdba7c0d12c01da876ef8a3214"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:43.249Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/98xxx/CVE-2026-98792.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-98792","state":"PUBLISHED","datePublished":"2026-10-18T15:48:31.098Z","dateUpdated":"2026-10-21T12:57:01.669Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-25T10:25:14.370Z"},"containers":{"cna":{"title":"netfilter: flowtable: generalize pending status bit","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: flowtable: generalize pending status bit\n\nRename NF_FLOW_HW_PENDING to NF_FLOW_PENDING and use it to inhibit the\nflowtable GC worker until pending hw offload work has been completed.\n\nApparently, nf_flow_offload_stats() can schedule work to retrieve stats\nwhile the flow is being removed by GC.\n\nAnd this bit can also be used in a follow up patch to disable GC until\nthe flow has been fully added in both directions.\n\nRevert the reordering done in commit d644b23afe1e (\"netfilter:\nflowtable: publish HW_DEAD after worker is done\") to prevent a race\nbetween GC and hw offload handler."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"2c8897953f3b2ff5498f3f275708a742bfcdbc24","status":"affected","lessThan":"f7e292f3c8c853f27a1af7eaf3428a0e76fe5fcc","versionType":"git"},{"version":"2c8897953f3b2ff5498f3f275708a742bfcdbc24","status":"affected","lessThan":"4d52b72f3aa68ad0536444e36530bda75070194c","versionType":"git"},{"version":"2c8897953f3b2ff5498f3f275708a742bfcdbc24","status":"affected","lessThan":"4033e1a9262c57dfbfc594a591a50fcba63c531a","versionType":"git"},{"version":"2c8897953f3b2ff5498f3f275708a742bfcdbc24","status":"affected","lessThan":"a2cac45848d1cf31ed190db30f90ba8211e9a8ca","versionType":"git"},{"version":"2c8897953f3b2ff5498f3f275708a742bfcdbc24","status":"affected","lessThan":"7c549fb7eecd01fdba7c0d12c01da876ef8a3214","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["include/net/netfilter/nf_flow_table.h","net/netfilter/nf_flow_table_core.c","net/netfilter/nf_flow_table_offload.c","net/sched/act_ct.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.7","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.113","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.56","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.10","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":["include/net/netfilter/nf_flow_table.h","net/netfilter/nf_flow_table_core.c","net/netfilter/nf_flow_table_offload.c","net/sched/act_ct.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/f7e292f3c8c853f27a1af7eaf3428a0e76fe5fcc"},{"url":"https://git.kernel.org/stable/c/4d52b72f3aa68ad0536444e36530bda75070194c"},{"url":"https://git.kernel.org/stable/c/4033e1a9262c57dfbfc594a591a50fcba63c531a"},{"url":"https://git.kernel.org/stable/c/a2cac45848d1cf31ed190db30f90ba8211e9a8ca"},{"url":"https://git.kernel.org/stable/c/7c549fb7eecd01fdba7c0d12c01da876ef8a3214"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-21T12:57:01.669Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"6.6.160"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"6.12.113"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"6.18.56"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"7.2.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}