{"id":25709,"date":"2026-09-18T04:31:46","date_gmt":"2026-09-17T20:31:46","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-90300"},"modified":"2026-09-18T04:31:46","modified_gmt":"2026-09-17T20:31:46","slug":"cve-2026-90300","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-90300","title":{"rendered":"CVE-2026-90300 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Clear buf on err"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>bpf: Clear buf on error in __bpf_get_task_stack<\/p>\n<p>Both bpf_get_task_stack and bpf_get_task_stack_sleepable helpers that<br \/>\nuse __bpf_get_task_stack have buf defined as ARG_PTR_TO_UNINIT_MEM<br \/>\nargument and we should initialize the buf on every return path.<\/p>\n<p>Adding missing buf memset for __bpf_get_task_stack fail paths. This<br \/>\nprovides deterministic buffer contents, which is useful when the buffer<br \/>\nis used directly as a map key.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>bpf: Clear buf on error in __bpf_get_task_stack<\/p>\n<p>Both bpf_get_task_stack and bpf_get_task_stack_sleepable helpers that<br \/>\nuse __bpf_ge<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-25709","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/25709","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=25709"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=25709"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=25709"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}