Incorrect authorization in Linux kernel - CVE-2010-2525

 

Incorrect authorization in Linux kernel - CVE-2010-2525

Published: June 22, 2021 / Updated: June 28, 2021


Vulnerability identifier: #VU95680
CSH Severity: Low
CVSS v4: 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]
CVE-ID: CVE-2010-2525
CWE-ID: CWE-863
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

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.


Affected software

Linux kernel
Ubuntu
linux-source-2.6.15 (Ubuntu package)
linux (Ubuntu package)

How to mitigate CVE-2010-2525

Install update from vendor's repository.

linux-source-2.6.15 (Ubuntu package) - update to 2.6.15-55.89
linux (Ubuntu package) - addressed in versions 2.6.24-28.80, 2.6.28-19.66, 2.6.31-22.67, 2.6.32-25.45, 2.6.35-22.35

External References

Related Security Bulletins