{"id":21692,"date":"2026-09-12T04:31:32","date_gmt":"2026-09-11T20:31:32","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-89770"},"modified":"2026-09-12T04:31:32","modified_gmt":"2026-09-11T20:31:32","slug":"cve-2026-89770","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-89770","title":{"rendered":"CVE-2026-89770 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\niomap: don&#8217;t free int"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>iomap: don&#8217;t free integrity payload that doesn&#8217;t exist<\/p>\n<p>fs_bio_integrity_alloc might not allocate a bio integrity payload if PI<br \/>\nverification is disabled on the block device.  Check for that case before<br \/>\ncalling fs_bio_integrity_free in iomap_bio_read_folio_range_sync to<br \/>\navoid a NULL pointer dereferences.<\/p>\n<p>Make the branch cover the PI verification as well &#8211; while<br \/>\nfs_bio_integrity_verify works without an integrity payload, it requires<br \/>\none to actually do useful work.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>iomap: don&#8217;t free integrity payload that doesn&#8217;t exist<\/p>\n<p>fs_bio_integrity_alloc might not allocate a bio integrity payload if PI<br \/>\nver<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-21692","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/21692","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=21692"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=21692"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=21692"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}