Input validation error in Linux kernel - CVE-2009-0834

 

Input validation error in Linux kernel - CVE-2009-0834

Published: March 6, 2009 / Updated: August 26, 2020


Vulnerability identifier: #VU94171
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2009-0834
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel

Detailed vulnerability description

The vulnerability allows a local user to read and manipulate data.

The vulnerability exists due to improper input validation within the send_sigtrap() function in arch/x86/kernel/ptrace.c. A local user can read and manipulate data.


How to mitigate CVE-2009-0834

Install update from vendor's website.

Sources