{"id":"CVE-2026-72406","title":"net: sungem: fix probe error cleanup","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: sungem: fix probe error cleanup\n\ngem_init_one() calls gem_remove_one() when register_netdev() fails.\ngem_remove_one() unregisters and frees resources owned by the …","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cvssSource":"cna","vendor":"Linux","product":"Linux","affected":["Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < f3bd60b26814b7c3c57c629abb0857dfc76d214a","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < f1d04fefb0c2a2de32d9cee22cdc2088be3758d1","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 331c99029a1cee1111f82f63d15b3cdebefbd341","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < a63eaf7605d1579cf3f551792e478cfaf5ac37d1","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < fb73cdc50b6755e5c3a80a195b2708a39ada0230","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < b15a3cc68e2450aa0edd94a74a7bdd45fcc17dd9","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < bc49e8746584564dba47d963d1916cc876fc6f6b","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 36dea2f639249460d13f6ca66b2a9064187cd34d","Linux 2.6.12"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-16T18:49:10.757468Z"},"published":"2026-08-15","updated":"2026-10-16","sourceUpdated":"2026-10-16T18:55:22.076Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-72406","references":[{"url":"https://git.kernel.org/stable/c/f3bd60b26814b7c3c57c629abb0857dfc76d214a"},{"url":"https://git.kernel.org/stable/c/f1d04fefb0c2a2de32d9cee22cdc2088be3758d1"},{"url":"https://git.kernel.org/stable/c/331c99029a1cee1111f82f63d15b3cdebefbd341"},{"url":"https://git.kernel.org/stable/c/a63eaf7605d1579cf3f551792e478cfaf5ac37d1"},{"url":"https://git.kernel.org/stable/c/fb73cdc50b6755e5c3a80a195b2708a39ada0230"},{"url":"https://git.kernel.org/stable/c/b15a3cc68e2450aa0edd94a74a7bdd45fcc17dd9"},{"url":"https://git.kernel.org/stable/c/bc49e8746584564dba47d963d1916cc876fc6f6b"},{"url":"https://git.kernel.org/stable/c/36dea2f639249460d13f6ca66b2a9064187cd34d"}],"tags":["cve.org"],"epss":0.00176,"epssPercentile":0.06636,"ingestedAt":"2026-10-16T19:46:24.399Z","slug":"CVE-2026-72406","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nnet: sungem: fix probe error cleanup\n\ngem_init_one() calls gem_remove_one() when register_netdev() fails.\ngem_remove_one() unregisters and frees resources owned by the net_device,\nincluding the DMA block, MMIO mapping, PCI regions, and the net_device\nitself. gem_init_one() then falls through to its own cleanup labels and\nfrees the same resources again.\n\nKeep the register_netdev() error path in gem_init_one(): clear drvdata so\nPM/remove paths do not see a half-registered device, remove the NAPI\ninstance added during probe, and let the existing cleanup labels release\nthe resources once.\n\nThe issue was found by a local static-analysis checker for probe error\npaths. The reported path was manually inspected before sending this fix.\n\nCompile-tested with CONFIG_SUNGEM=y. Runtime testing was not performed\nbecause no sungem hardware is available.\n\n## Affected\n\n- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < f3bd60b26814b7c3c57c629abb0857dfc76d214a`\n- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < f1d04fefb0c2a2de32d9cee22cdc2088be3758d1`\n- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 331c99029a1cee1111f82f63d15b3cdebefbd341`\n- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < a63eaf7605d1579cf3f551792e478cfaf5ac37d1`\n- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < fb73cdc50b6755e5c3a80a195b2708a39ada0230`\n- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < b15a3cc68e2450aa0edd94a74a7bdd45fcc17dd9`\n- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < bc49e8746584564dba47d963d1916cc876fc6f6b`\n- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 36dea2f639249460d13f6ca66b2a9064187cd34d`\n- `Linux 2.6.12`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}