{"id":"CVE-2026-45932","revision":null,"records":[{"revision":"c8ff304e2bc94deda33e70f093d96962","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-45932","aliases":[],"title":"bpf: Fix tcx/netkit detach permissions when prog fd isn't given","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Fix tcx/netkit detach permissions when prog fd isn't given\n\nThis commit fixes a security issue where BPF_PROG_DETACH on tcx or\nnetkit devices could be executed by any user when no program fd was\nprovided, bypassing permission checks. The fix adds a capability\ncheck for CAP_NET_ADMIN or CAP_SYS_ADMIN in this case.","state":0,"publishedAt":"2026-05-27T12:17:50.353+00:00","modifiedAt":"2026-10-21T12:40:59.729+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                        \"include/linux/bpf.h\",\n                        \"include/linux/bpf_mprog.h\",\n                        \"kernel/bpf/syscall.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"e420bed025071a623d2720a92bc2245c84757ecb\",\n                            \"lessThan\": \"8e1623e7d61faf16cbadc80550da874303611ff5\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"e420bed025071a623d2720a92bc2245c84757ecb\",\n                            \"lessThan\": \"0c249f523175963b0a746bba673ecebdf6cefd86\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"e420bed025071a623d2720a92bc2245c84757ecb\",\n                            \"lessThan\": \"4e0772cded109c238411f2fac36ac39302758b81\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"e420bed025071a623d2720a92bc2245c84757ecb\",\n                            \"lessThan\": \"3f04cc1e5374da4c5e791ae010a06cfea7bacbe6\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"e420bed025071a623d2720a92bc2245c84757ecb\",\n                            \"lessThan\": \"ae23bc81ddf7c17b663c4ed1b21e35527b0a7131\",\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                        \"include/linux/bpf.h\",\n                        \"include/linux/bpf_mprog.h\",\n                        \"kernel/bpf/syscall.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.6\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.6\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.160\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.114\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.14\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.19.4\",\n                            \"lessThanOrEqual\": \"6.19.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.0\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H","score":7.3,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/8e1623e7d61faf16cbadc80550da874303611ff5","https://git.kernel.org/stable/c/0c249f523175963b0a746bba673ecebdf6cefd86","https://git.kernel.org/stable/c/4e0772cded109c238411f2fac36ac39302758b81","https://git.kernel.org/stable/c/3f04cc1e5374da4c5e791ae010a06cfea7bacbe6","https://git.kernel.org/stable/c/ae23bc81ddf7c17b663c4ed1b21e35527b0a7131"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-45932","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-45932","identifiers":["CVE-2026-45932"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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