{"id":"CVE-2025-39978","revision":"52c8d10b3c47410795417e0465b12d7b","records":[{"revision":"52c8d10b3c47410795417e0465b12d7b","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2025-39978","aliases":[],"title":"octeontx2-pf: Fix potential use after free in otx2_tc_add_flow()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nocteontx2-pf: Fix potential use after free in otx2_tc_add_flow()\n\nThis code calls kfree_rcu(new_node, rcu) and then dereferences \"new_node\"\nand then dereferences it on the next line.  Two lines later, we take\na mutex so I don't think this is an RCU safe region.  Re-order it to do\nthe dereferences before queuing up the free.","state":0,"publishedAt":"2025-10-15T07:55:58.949+00:00","modifiedAt":"2026-10-15T22:02:35.234+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                        \"drivers/net/ethernet/marvell/octeontx2/nic/otx2_tc.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"68fbff68dbea35f9e6f7649dd22fce492a5aedac\",\n                            \"lessThan\": \"5723120423a753a220b8b2954b273838b9d7e74a\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"68fbff68dbea35f9e6f7649dd22fce492a5aedac\",\n                            \"lessThan\": \"df2c071061ed52d2225d97b212d27ecedf456b8a\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"68fbff68dbea35f9e6f7649dd22fce492a5aedac\",\n                            \"lessThan\": \"c41b2941a024d4ec7c768e16ffb10a74b188fced\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"68fbff68dbea35f9e6f7649dd22fce492a5aedac\",\n                            \"lessThan\": \"a8a63f27c3a8a3714210d32b12fd0f16d0337414\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"68fbff68dbea35f9e6f7649dd22fce492a5aedac\",\n                            \"lessThan\": \"d9c70e93ec5988ab07ad2a92d9f9d12867f02c56\",\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                        \"drivers/net/ethernet/marvell/octeontx2/nic/otx2_tc.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"5.14\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"5.14\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.155\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.109\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.50\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.16.10\",\n                            \"lessThanOrEqual\": \"6.16.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.17\",\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:H/I:H/A:H","score":7.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/5723120423a753a220b8b2954b273838b9d7e74a","https://git.kernel.org/stable/c/df2c071061ed52d2225d97b212d27ecedf456b8a","https://git.kernel.org/stable/c/c41b2941a024d4ec7c768e16ffb10a74b188fced","https://git.kernel.org/stable/c/a8a63f27c3a8a3714210d32b12fd0f16d0337414","https://git.kernel.org/stable/c/d9c70e93ec5988ab07ad2a92d9f9d12867f02c56"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-39978","license":"CVE Program Terms of Use","key":"cve-program:CVE-2025-39978","identifiers":["CVE-2025-39978"]},"retained":false,"historicalAffected":[]}],"coverage":[]}