{"id":"CVE-2026-23164","revision":"cf29969432db491e9a13a5e1be3da376","records":[{"revision":"cf29969432db491e9a13a5e1be3da376","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-23164","aliases":[],"title":"rocker: fix memory leak in rocker_world_port_post_fini()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nrocker: fix memory leak in rocker_world_port_post_fini()\n\nIn rocker_world_port_pre_init(), rocker_port->wpriv is allocated with\nkzalloc(wops->port_priv_size, GFP_KERNEL). However, in\nrocker_world_port_post_fini(), the memory is only freed when\nwops->port_post_fini callback is set:\n\n    if (!wops->port_post_fini)\n        return;\n    wops->port_post_fini(rocker_port);\n    kfree(rocker_port->wpriv);\n\nSince rocker_ofdpa_ops does not implement port_post_fini callback\n(it is NULL), the wpriv memory allocated for each port is never freed\nwhen ports are removed. This leads to a memory leak of\nsizeof(struct ofdpa_port) bytes per port on every device removal.\n\nFix this by always calling kfree(rocker_port->wpriv) regardless of\nwhether the port_post_fini callback exists.","state":0,"publishedAt":"2026-02-14T16:01:28.624+00:00","modifiedAt":"2026-10-19T18:25:33.85+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/rocker/rocker_main.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"e420114eef4a3a5025a243b89b0dc343101e3d3c\",\n                            \"lessThan\": \"2a3a64d75d2d0727da285749476761ebcad557a3\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"e420114eef4a3a5025a243b89b0dc343101e3d3c\",\n                            \"lessThan\": \"b11e6f926480ab0939fec44781f28558c54be4e7\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"e420114eef4a3a5025a243b89b0dc343101e3d3c\",\n                            \"lessThan\": \"8ce2e85889939c02740b4245301aa5c35fc94887\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"e420114eef4a3a5025a243b89b0dc343101e3d3c\",\n                            \"lessThan\": \"d448bf96889f1905e740c554780f5c9fa0440566\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"e420114eef4a3a5025a243b89b0dc343101e3d3c\",\n                            \"lessThan\": \"d8723917efda3b4f4c3de78d1ec1e1af015c0be1\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"e420114eef4a3a5025a243b89b0dc343101e3d3c\",\n                            \"lessThan\": \"dce375f4afc348c310d171abcde7ec1499a4c26a\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"e420114eef4a3a5025a243b89b0dc343101e3d3c\",\n                            \"lessThan\": \"8d7ba71e46216b8657a82ca2ec118bc93812a4d0\",\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/rocker/rocker_main.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"4.6\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"4.6\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.249\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.199\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.162\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.123\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.69\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.9\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.19\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/2a3a64d75d2d0727da285749476761ebcad557a3","https://git.kernel.org/stable/c/b11e6f926480ab0939fec44781f28558c54be4e7","https://git.kernel.org/stable/c/8ce2e85889939c02740b4245301aa5c35fc94887","https://git.kernel.org/stable/c/d448bf96889f1905e740c554780f5c9fa0440566","https://git.kernel.org/stable/c/d8723917efda3b4f4c3de78d1ec1e1af015c0be1","https://git.kernel.org/stable/c/dce375f4afc348c310d171abcde7ec1499a4c26a","https://git.kernel.org/stable/c/8d7ba71e46216b8657a82ca2ec118bc93812a4d0"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-23164","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-23164","identifiers":["CVE-2026-23164"]},"retained":false,"historicalAffected":[]}],"coverage":[]}