SB2021062263 - Incorrect authorization in Linux kernel gfs2
Published: June 22, 2021
Security Bulletin ID
SB2021062263
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Incorrect authorization (CVE-ID: CVE-2010-2525)
CWE-ID: CWE-863 - Incorrect Authorization
CVSSv4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a local user to execute arbitrary code.
The vulnerability exists due to incorrect authorization error within the gfs2_xattr_user_set() function in fs/gfs2/xattr.c, within the gfs2_acl_validate_set() and gfs2_acl_type() functions in fs/gfs2/acl.c. A local user can execute arbitrary code.
Remediation
Install update from vendor's website.