{"id":24611,"date":"2026-09-16T20:32:32","date_gmt":"2026-09-16T12:32:32","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-89924"},"modified":"2026-09-16T20:32:32","modified_gmt":"2026-09-16T12:32:32","slug":"cve-2026-89924","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-89924","title":{"rendered":"CVE-2026-89924 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: s390: Fix old_da"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>KVM: s390: Fix old_data leak in guest debug error path<\/p>\n<p>__import_wp_info() allocates a per-watchpoint old_data buffer to back up<br \/>\nthe original guest memory contents. If a later watchpoint of the same<br \/>\nKVM_SET_GUEST_DEBUG request fails to import, kvm_s390_import_bp_data()<br \/>\njumps to the error label, which frees the wp_info array but not the<br \/>\nold_data buffers of the entries that were imported successfully. Up to<br \/>\nMAX_BP_COUNT &#8211; 1 buffers of up to MAX_WP_SIZE bytes are leaked per failed<br \/>\nrequest, and the request can be repeated.<\/p>\n<p>Create error handling for cleaning up all created old_data memory<br \/>\nareas.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>KVM: s390: Fix old_data leak in guest debug error path<\/p>\n<p>__import_wp_info() allocates a per-watchpoint old_data buffer to back up<br \/>\nth<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-24611","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/24611","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=24611"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=24611"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=24611"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}