https://db.gcve.eu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Mon, 09 Nov 2026 18:41:57 +0000 https://db.gcve.eu/vuln/cve-2026-98543 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>bpf: fs/xattr: don&#39;t assume the inode is locked in path_unlink/path_rmdir</p> <p>bpf_lsm_has_d_inode_locked() makes the verifier rewrite bpf_[set|remove]_dentry_xattr() to the _locked variants, which assume that the caller already holds the inode&#39;s i_rwsem. The path_unlink and path_rmdir hooks are listed, but security_path_unlink() and security_path_rmdir() run before vfs_unlink()/vfs_rmdir() take the victim inode&#39;s i_rwsem, so a sleepable BPF LSM program attached to either hook mutates the victim&#39;s xattrs without the lock held.</p> <p>Drop the two path hooks from d_inode_locked_hooks so that the verifier keeps the locking bpf_[set|remove]_dentry_xattr() variants, which take the lock themselves.</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>bpf: fs/xattr: don&#39;t assume the inode is locked in path_unlink/path_rmdir</p> <p>bpf_lsm_has_d_inode_locked() makes the verifier rewrite bpf_[set|remove]_dentry_xattr() to the _locked variants, which assume that the caller already holds the inode&#39;s i_rwsem. The path_unlink and path_rmdir hooks are listed, but security_path_unlink() and security_path_rmdir() run before vfs_unlink()/vfs_rmdir() take the victim inode&#39;s i_rwsem, so a sleepable BPF LSM program attached to either hook mutates the victim&#39;s xattrs without the lock held.</p> <p>Drop the two path hooks from d_inode_locked_hooks so that the verifier keeps the locking bpf_[set|remove]_dentry_xattr() variants, which take the lock themselves.</p> https://db.gcve.eu/vuln/cve-2026-98543