{"id":29200,"date":"2026-09-25T20:32:07","date_gmt":"2026-09-25T12:32:07","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-98045"},"modified":"2026-09-25T20:32:07","modified_gmt":"2026-09-25T12:32:07","slug":"cve-2026-98045","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-98045","title":{"rendered":"CVE-2026-98045 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Mark faultable s"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>bpf: Mark faultable stack helpers as sleepable<\/p>\n<p>The faultable variants of bpf_get_stack() and bpf_get_task_stack() pass<br \/>\nmay_fault=true into the common stack collection code. Resolving user-space<br \/>\nbuild IDs may then call build_id_parse_file() and block on filesystem<br \/>\nreads.<\/p>\n<p>Neither helper prototype sets might_sleep. Since prototype selection uses<br \/>\nthe sleepability of the whole program, the verifier can still allow these<br \/>\nhelpers from a non-sleepable region within that program, such as an<br \/>\nexplicit RCU or preemption-disabled region. The task-stack helper can also<br \/>\nbe called from a non-sleepable timer callback of a sleepable program.<\/p>\n<p>Mark both faultable prototypes as sleepable. The existing helper context<br \/>\ncheck then rejects these calls while continuing to allow them in genuinely<br \/>\nsleepable contexts.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>bpf: Mark faultable stack helpers as sleepable<\/p>\n<p>The faultable variants of bpf_get_stack() and bpf_get_task_stack() pass<br \/>\nmay_fault=t<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-29200","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/29200","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=29200"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=29200"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=29200"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}