{"id":29122,"date":"2026-09-25T20:31:55","date_gmt":"2026-09-25T12:31:55","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-97966"},"modified":"2026-09-25T20:31:55","modified_gmt":"2026-09-25T12:31:55","slug":"cve-2026-97966","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-97966","title":{"rendered":"CVE-2026-97966 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nocteontx2-pf: reset H"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>octeontx2-pf: reset HTB scheduler topology before freeing queues<\/p>\n<p>HTB offload programs NIX_AF_TLxX_TOPOLOGY on QoS-allocated scheduler<br \/>\nqueues via otx2_qos_txschq_set_parent_topology(), but teardown freed<br \/>\nthose queues without clearing TOPOLOGY.  The AF only restores PARENT and<br \/>\nSCHEDULE on free, so PRIO_ANCHOR\/RR_PRIO settings can survive in the<br \/>\nshared scheduler pool and affect later allocations.<\/p>\n<p>Add otx2_qos_reset_schq_topology() and otx2_qos_free_hw_schq() to zero<br \/>\nTL4 through TL2 TOPOLOGY before each schq is returned to the AF during<br \/>\nhierarchy teardown and cfg rollback.  Skip the aggregation level (TL1):<br \/>\nit is a per-tx-link queue shared by the PF, default Tx hierarchy and VFs,<br \/>\nand is not freed back to the AF by nix_txschq_free_one().<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>octeontx2-pf: reset HTB scheduler topology before freeing queues<\/p>\n<p>HTB offload programs NIX_AF_TLxX_TOPOLOGY on QoS-allocated schedu<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-29122","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/29122","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=29122"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=29122"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=29122"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}