|Date: (C)2009-02-27 (M)2017-10-04|
|CVSS Score: 4.9||Access Vector: LOCAL|
|Exploitability Subscore: 3.9||Access Complexity: LOW|
|Impact Subscore: 6.9||Authentication: NONE|
| ||Confidentiality: NONE|
| ||Integrity: NONE|
| ||Availability: COMPLETE|
The make_indexed_dir function in fs/ext4/namei.c in the Linux kernel 2.6.27 before 188.8.131.52 and 2.6.28 before 184.108.40.206 does not validate a certain rec_len field, which allows local users to cause a denial of service (OOPS) by attempting to mount a crafted ext4 filesystem.