#VU95680 Incorrect authorization in Linux kernel - CVE-2010-2525

Vulnerability identifier: #VU95680

Vulnerability risk: Low

CVSSv4.0: 5.9 [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/E:U/U:Clear]

CVE-ID: CVE-2010-2525

CWE-ID: CWE-863

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

Description

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.

Mitigation
Install update from vendor's repository.

Vulnerable software versions

Linux kernel: All versions

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External links
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2646a1f61a3b5525914757f10fa12b5b94713648
https://ubuntu.com/security/CVE-2010-2525

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.