{"id":21273,"date":"2026-09-12T04:30:57","date_gmt":"2026-09-11T20:30:57","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-80940"},"modified":"2026-09-12T04:30:57","modified_gmt":"2026-09-11T20:30:57","slug":"cve-2026-80940","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-80940","title":{"rendered":"CVE-2026-80940 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: rtw88: pci: fix"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>wifi: rtw88: pci: fix resource leak on failed NAPI setup<\/p>\n<p>rtw_pci_probe() allocates PCI resources through<br \/>\nrtw_pci_setup_resource() before it sets up NAPI. If<br \/>\nrtw_pci_napi_init() fails, the error path jumps straight to<br \/>\nerr_pci_declaim and skips rtw_pci_destroy(), leaving the PCI<br \/>\nresources allocated by rtw_pci_setup_resource() behind.<\/p>\n<p>Add a dedicated cleanup label for the NAPI setup failure path so probe<br \/>\ndestroys the PCI resources.<\/p>\n<p>The bug was first flagged by an experimental analysis tool we are<br \/>\ndeveloping for kernel memory-management bugs while analyzing current<br \/>\nmainline kernels. The tool is still under development and is not yet<br \/>\npublicly available. Manual inspection confirms that the bug is still<br \/>\npresent in v7.1-rc7.<\/p>\n<p>An x86_64 allyesconfig build showed no new warnings. As we do not have a<br \/>\nsuitable rtw88 PCI board to test with, no runtime testing was able to be<br \/>\nperformed.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>wifi: rtw88: pci: fix resource leak on failed NAPI setup<\/p>\n<p>rtw_pci_probe() allocates PCI resources through<br \/>\nrtw_pci_setup_resource() <\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-21273","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/21273","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln"}],"about":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/types\/vuln"}],"wp:attachment":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=21273"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=21273"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=21273"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}