{"id":11922,"date":"2026-09-04T18:53:57","date_gmt":"2026-09-04T10:53:57","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-74741"},"modified":"2026-09-04T18:53:57","modified_gmt":"2026-09-04T10:53:57","slug":"cve-2026-74741","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-74741","title":{"rendered":"CVE-2026-74741 [HIGH] &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ngbe: fix NULL p"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>net: ngbe: fix NULL pointer dereference in non-MSI-X interrupt enabling<\/p>\n<p>In non-MSI-X mode (such as legacy INTx or single MSI), wx-&gt;msix_entry is<br \/>\nnot allocated or initialized. Calling NGBE_INTR_MISC(wx) dereferences<br \/>\nwx-&gt;msix_entry-&gt;entry, leading to a NULL pointer dereference crash.<\/p>\n<p>This issue was introduced by fixing the IRQ vector when the number of<br \/>\nVFs is 7. Fix the issue by explicitly checking `pdev-&gt;msix_enabled` to<br \/>\ndetermine the correct vector index.<\/p>\n<p>Additionally, as a side fix, set the interrupt mask to BIT(0) for the<br \/>\nnon-MSI-X fallback. In MSI\/INTx mode, the MISC and queue interrupts<br \/>\nshare vector 0, and the WX_PX_MISC_IVAR register is only valid in the<br \/>\nMSI-X case. Thus, BIT(0) is the correct mask for the miscellaneous cause<br \/>\nwhen MSI-X is disabled.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>net: ngbe: fix NULL pointer dereference in non-MSI-X interrupt enabling<\/p>\n<p>In non-MSI-X mode (such as legacy INTx or single MSI), wx-<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-11922","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/11922","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=11922"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=11922"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=11922"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}