{"id":"CVE-2026-90159","title":"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 expe…","summary":"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 expe…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 859051dd165ec6cc915f0f2114699021144fd249 < 61769b9c882a964af3a6ebd9a8e43615f8713234","Linux >= 859051dd165ec6cc915f0f2114699021144fd249 < fe91c3f64a738dd97e8542ad5bdfbe5ac430edf6","Linux >= 859051dd165ec6cc915f0f2114699021144fd249 < daeb74f5f398e847d1d42906aec6610406a34fdc","Linux >= 859051dd165ec6cc915f0f2114699021144fd249 < 84473a7e1813a2da7b759ab1d098a84998c8d3f5","Linux 6.7"],"published":"2026-09-17","updated":"2026-09-17","sourceUpdated":"2026-09-17T17:17:09.080","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-90159","references":[{"url":"https://git.kernel.org/stable/c/61769b9c882a964af3a6ebd9a8e43615f8713234","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/84473a7e1813a2da7b759ab1d098a84998c8d3f5","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/daeb74f5f398e847d1d42906aec6610406a34fdc","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/fe91c3f64a738dd97e8542ad5bdfbe5ac430edf6","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-17T16:21:47.873Z","epss":0.002,"epssPercentile":0.10129,"slug":"CVE-2026-90159","body":"## Overview\n\nIn 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}