CVE-2026-72406High· 7.8▾ TwilightIn the Linux kernel, the following vulnerability has been resolved: net: sungem: fix probe error cleanup gem_init_one() calls gem_remove_one() when register_netdev() fails. gem_remove_one() unregisters and frees resources owned by the …
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 42.9 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.2%
In the Linux kernel, the following vulnerability has been resolved:
net: sungem: fix probe error cleanup
gem_init_one() calls gem_remove_one() when register_netdev() fails. gem_remove_one() unregisters and frees resources owned by the net_device, including the DMA block, MMIO mapping, PCI regions, and the net_device itself. gem_init_one() then falls through to its own cleanup labels and frees the same resources again.
Keep the register_netdev() error path in gem_init_one(): clear drvdata so PM/remove paths do not see a half-registered device, remove the NAPI instance added during probe, and let the existing cleanup labels release the resources once.
The issue was found by a local static-analysis checker for probe error paths. The reported path was manually inspected before sending this fix.
Compile-tested with CONFIG_SUNGEM=y. Runtime testing was not performed because no sungem hardware is available.
Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < f3bd60b26814b7c3c57c629abb0857dfc76d214aLinux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < f1d04fefb0c2a2de32d9cee22cdc2088be3758d1Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 331c99029a1cee1111f82f63d15b3cdebefbd341Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < a63eaf7605d1579cf3f551792e478cfaf5ac37d1Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < fb73cdc50b6755e5c3a80a195b2708a39ada0230Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < b15a3cc68e2450aa0edd94a74a7bdd45fcc17dd9Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < bc49e8746584564dba47d963d1916cc876fc6f6bLinux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 36dea2f639249460d13f6ca66b2a9064187cd34dLinux 2.6.12Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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