{"id":"CVE-2026-90159","revision":"6c87d418b499473c89a20fb33c503fb5","records":[{"revision":"6c87d418b499473c89a20fb33c503fb5","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-90159","aliases":[],"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":0,"publishedAt":"2026-09-17T16:06:51.151+00:00","modifiedAt":"2026-10-19T08:58:57.864+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"net/core/filter.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"859051dd165ec6cc915f0f2114699021144fd249\",\n                            \"lessThan\": \"61769b9c882a964af3a6ebd9a8e43615f8713234\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"859051dd165ec6cc915f0f2114699021144fd249\",\n                            \"lessThan\": \"fe91c3f64a738dd97e8542ad5bdfbe5ac430edf6\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"859051dd165ec6cc915f0f2114699021144fd249\",\n                            \"lessThan\": \"daeb74f5f398e847d1d42906aec6610406a34fdc\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"859051dd165ec6cc915f0f2114699021144fd249\",\n                            \"lessThan\": \"84473a7e1813a2da7b759ab1d098a84998c8d3f5\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"net/core/filter.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.7\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.7\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.110\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.52\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.6\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/61769b9c882a964af3a6ebd9a8e43615f8713234","https://git.kernel.org/stable/c/fe91c3f64a738dd97e8542ad5bdfbe5ac430edf6","https://git.kernel.org/stable/c/daeb74f5f398e847d1d42906aec6610406a34fdc","https://git.kernel.org/stable/c/84473a7e1813a2da7b759ab1d098a84998c8d3f5"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-90159","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-90159","identifiers":["CVE-2026-90159"]},"retained":false,"historicalAffected":[]}],"coverage":[]}