{"id":"CVE-2026-98559","revision":"748ad5218f684f33be84819d2c533c14","records":[{"revision":"748ad5218f684f33be84819d2c533c14","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-98559","aliases":[],"title":"net/smc: fix UAF on lgr list traversal in smcr_port_err()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet/smc: fix UAF on lgr list traversal in smcr_port_err()\n\nsmcr_port_err() traverses smc_lgr_list.list without holding\nsmc_lgr_list.lock, allowing a concurrent smc_lgr_terminate_sched()\nto free an lgr while it is still being dereferenced.\n\nHold smc_lgr_list.lock across the traversal. Update\nsmc_ib_gid_check() to call smcr_port_err() after releasing the lock.","state":0,"publishedAt":"2026-10-18T15:18:26.349+00:00","modifiedAt":"2026-10-19T09:21:43.436+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/smc/smc_core.c\",\n                        \"net/smc/smc_ib.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"541afa10c126b6c22c2a805a559c70cc41fd156e\",\n                            \"lessThan\": \"34bcf11cd2528ae00bb6d764d808083c66824277\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"541afa10c126b6c22c2a805a559c70cc41fd156e\",\n                            \"lessThan\": \"0edcc4284392b28826b5d37532b366b291e6e0fa\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"541afa10c126b6c22c2a805a559c70cc41fd156e\",\n                            \"lessThan\": \"00a59600ae72d24859d0ad1783a78bc921bc2599\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"541afa10c126b6c22c2a805a559c70cc41fd156e\",\n                            \"lessThan\": \"3d35f069e1c119992000d51236dbe54da2d4e61e\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"541afa10c126b6c22c2a805a559c70cc41fd156e\",\n                            \"lessThan\": \"3d65a2eb4449fc9658fb860dea893025d028d90e\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"541afa10c126b6c22c2a805a559c70cc41fd156e\",\n                            \"lessThan\": \"a9b968e42690d784c241a0761c10253271f7df5d\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"541afa10c126b6c22c2a805a559c70cc41fd156e\",\n                            \"lessThan\": \"61cb282fe97b3b0ba32ca09417a693162bf4ae3f\",\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/smc/smc_core.c\",\n                        \"net/smc/smc_ib.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"5.8\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"5.8\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.222\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.189\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.158\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.112\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.55\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.9\",\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/34bcf11cd2528ae00bb6d764d808083c66824277","https://git.kernel.org/stable/c/0edcc4284392b28826b5d37532b366b291e6e0fa","https://git.kernel.org/stable/c/00a59600ae72d24859d0ad1783a78bc921bc2599","https://git.kernel.org/stable/c/3d35f069e1c119992000d51236dbe54da2d4e61e","https://git.kernel.org/stable/c/3d65a2eb4449fc9658fb860dea893025d028d90e","https://git.kernel.org/stable/c/a9b968e42690d784c241a0761c10253271f7df5d","https://git.kernel.org/stable/c/61cb282fe97b3b0ba32ca09417a693162bf4ae3f"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-98559","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-98559","identifiers":["CVE-2026-98559"]},"retained":false,"historicalAffected":[]}],"coverage":[]}