{"api_version":"1","generated_at":"2026-10-01T12:49:24+00:00","cve":"CVE-2026-90159","urls":{"html":"https://cve.report/CVE-2026-90159","api":"https://cve.report/api/cve/CVE-2026-90159.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-90159","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-90159"},"summary":{"title":"bpf: Disallow bpf_{g,s}etsockopt() in cgroup UNIX getname hooks","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Disallow bpf_{g,s}etsockopt() in cgroup UNIX getname hooks\n\n_bpf_setsockopt() and _bpf_getsockopt() call sock_owned_by_me() for\nfull sockets, so these helpers expect the socket lock to be held.\n\nBPF_CGROUP_UNIX_GETPEERNAME and BPF_CGROUP_UNIX_GETSOCKNAME run BPF\nprograms without acquiring the socket lock. A program attached to\neither hook can therefore trigger the sock_owned_by_me() warning by\ncalling bpf_setsockopt() or bpf_getsockopt().\n\nDisallow bpf_setsockopt() and bpf_getsockopt() for CGROUP_UNIX_GETPEERNAME\nand CGROUP_UNIX_GETSOCKNAME.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-17 17:17:09","updated_at":"2026-09-17 17:17:09"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/84473a7e1813a2da7b759ab1d098a84998c8d3f5","name":"https://git.kernel.org/stable/c/84473a7e1813a2da7b759ab1d098a84998c8d3f5","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/61769b9c882a964af3a6ebd9a8e43615f8713234","name":"https://git.kernel.org/stable/c/61769b9c882a964af3a6ebd9a8e43615f8713234","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/daeb74f5f398e847d1d42906aec6610406a34fdc","name":"https://git.kernel.org/stable/c/daeb74f5f398e847d1d42906aec6610406a34fdc","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/fe91c3f64a738dd97e8542ad5bdfbe5ac430edf6","name":"https://git.kernel.org/stable/c/fe91c3f64a738dd97e8542ad5bdfbe5ac430edf6","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-90159","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-90159","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 859051dd165ec6cc915f0f2114699021144fd249 61769b9c882a964af3a6ebd9a8e43615f8713234 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 859051dd165ec6cc915f0f2114699021144fd249 fe91c3f64a738dd97e8542ad5bdfbe5ac430edf6 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 859051dd165ec6cc915f0f2114699021144fd249 daeb74f5f398e847d1d42906aec6610406a34fdc git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 859051dd165ec6cc915f0f2114699021144fd249 84473a7e1813a2da7b759ab1d098a84998c8d3f5 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.7","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.7 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.110 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.52 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.6 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3-rc1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/core/filter.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"61769b9c882a964af3a6ebd9a8e43615f8713234","status":"affected","version":"859051dd165ec6cc915f0f2114699021144fd249","versionType":"git"},{"lessThan":"fe91c3f64a738dd97e8542ad5bdfbe5ac430edf6","status":"affected","version":"859051dd165ec6cc915f0f2114699021144fd249","versionType":"git"},{"lessThan":"daeb74f5f398e847d1d42906aec6610406a34fdc","status":"affected","version":"859051dd165ec6cc915f0f2114699021144fd249","versionType":"git"},{"lessThan":"84473a7e1813a2da7b759ab1d098a84998c8d3f5","status":"affected","version":"859051dd165ec6cc915f0f2114699021144fd249","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["net/core/filter.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.7"},{"lessThan":"6.7","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.110","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.52","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.6","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3-rc1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.110","versionStartIncluding":"6.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.52","versionStartIncluding":"6.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.6","versionStartIncluding":"6.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc1","versionStartIncluding":"6.7","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Disallow bpf_{g,s}etsockopt() in cgroup UNIX getname hooks\n\n_bpf_setsockopt() and _bpf_getsockopt() call sock_owned_by_me() for\nfull sockets, so these helpers expect the socket lock to be held.\n\nBPF_CGROUP_UNIX_GETPEERNAME and BPF_CGROUP_UNIX_GETSOCKNAME run BPF\nprograms without acquiring the socket lock. A program attached to\neither hook can therefore trigger the sock_owned_by_me() warning by\ncalling bpf_setsockopt() or bpf_getsockopt().\n\nDisallow bpf_setsockopt() and bpf_getsockopt() for CGROUP_UNIX_GETPEERNAME\nand CGROUP_UNIX_GETSOCKNAME."}],"providerMetadata":{"dateUpdated":"2026-09-17T16:06:51.151Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/61769b9c882a964af3a6ebd9a8e43615f8713234"},{"url":"https://git.kernel.org/stable/c/fe91c3f64a738dd97e8542ad5bdfbe5ac430edf6"},{"url":"https://git.kernel.org/stable/c/daeb74f5f398e847d1d42906aec6610406a34fdc"},{"url":"https://git.kernel.org/stable/c/84473a7e1813a2da7b759ab1d098a84998c8d3f5"}],"title":"bpf: Disallow bpf_{g,s}etsockopt() in cgroup UNIX getname hooks","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-90159","datePublished":"2026-09-17T16:06:51.151Z","dateReserved":"2026-09-11T19:38:34.790Z","dateUpdated":"2026-09-17T16:06:51.151Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-17 17:17:09","lastModifiedDate":"2026-09-17 17:17:09","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"90159","Ordinal":"1","Title":"bpf: Disallow bpf_{g,s}etsockopt() in cgroup UNIX getname hooks","CVE":"CVE-2026-90159","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"90159","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Disallow bpf_{g,s}etsockopt() in cgroup UNIX getname hooks\n\n_bpf_setsockopt() and _bpf_getsockopt() call sock_owned_by_me() for\nfull sockets, so these helpers expect the socket lock to be held.\n\nBPF_CGROUP_UNIX_GETPEERNAME and BPF_CGROUP_UNIX_GETSOCKNAME run BPF\nprograms without acquiring the socket lock. A program attached to\neither hook can therefore trigger the sock_owned_by_me() warning by\ncalling bpf_setsockopt() or bpf_getsockopt().\n\nDisallow bpf_setsockopt() and bpf_getsockopt() for CGROUP_UNIX_GETPEERNAME\nand CGROUP_UNIX_GETSOCKNAME.","Type":"Description","Title":"bpf: Disallow bpf_{g,s}etsockopt() in cgroup UNIX getname hooks"}]}}}