{"id":11205,"date":"2026-09-04T18:51:45","date_gmt":"2026-09-04T10:51:45","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-74595"},"modified":"2026-09-04T18:51:45","modified_gmt":"2026-09-04T10:51:45","slug":"cve-2026-74595","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-74595","title":{"rendered":"CVE-2026-74595 [HIGH] &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nfscrypt: use the moun"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>fscrypt: use the mount idmap for the owner check in fscrypt_ioctl_set_policy()<\/p>\n<p>fscrypt_ioctl_set_policy() calls inode_owner_or_capable() with<br \/>\n&amp;nop_mnt_idmap before allowing an encryption policy to be set, instead<br \/>\nof the idmap of the mount the ioctl was issued on.<\/p>\n<p>fscrypt is used by filesystems that support idmapped mounts (e.g. ext4,<br \/>\nf2fs), so on such a mount this compares the caller&#8217;s fsuid against the<br \/>\nunmapped on-disk owner rather than the mapped owner: the actual owner<br \/>\ncan be wrongly denied with -EACCES and an unrelated caller wrongly<br \/>\nallowed.  Use file_mnt_idmap(filp) instead.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>fscrypt: use the mount idmap for the owner check in fscrypt_ioctl_set_policy()<\/p>\n<p>fscrypt_ioctl_set_policy() calls inode_owner_or_cap<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-11205","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/11205","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=11205"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=11205"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=11205"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}