CVE-2022-50845: Linux

EPSS: 0.3% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: ext4: fix inode leak in ext4_xattr_inode_create() on an error path There is issue as follows when do setxattr with inject fault: [localhost]# fsck.ext4 -fn /dev/sda e2fsck 1.46.6-rc1 (12-Sep-2022) Pass 1: Checking inodes, blocks, and sizes Pass 2: Checking directory structure Pass 3: Checking directory connectivity Pass 4: Checking reference counts Unattached zero-length inode 15. Clear? no Unattached inode 15 Connect to /lost+found? no Pass 5: Checking group summary information /dev/sda: ********** WARNING: Filesystem still has errors ********** /dev/sda: 15/655360 files (0.0% non-contiguous), 66755/2621440 blocks This occurs in 'ext4_xattr_inode_create()'. If 'ext4_mark_inode_dirty()' fails, dropping i_nlink of the inode is needed. Or will lead to inode leak.

Affected products

• Linux Linux: from 4.13, before 4.14.303 (fixed in 4.14.303); from 4.15, before 4.19.270 (fixed in 4.19.270); from 4.20, before 5.4.229 (fixed in 5.4.229); from 5.5, before 5.10.163 (fixed in 5.10.163); from 5.11, before 5.15.87 (fixed in 5.15.87); from 5.16, before 6.0.18 (fixed in 6.0.18); …

Published 2025-12-30. Last modified 2026-06-17.