Loop with unreachable exit condition ('infinite loop') in Linux kernel - CVE-2004-0554

 

Loop with unreachable exit condition ('infinite loop') in Linux kernel - CVE-2004-0554

Published: August 6, 2004 / Updated: November 5, 2024


Vulnerability identifier: #VU99739
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2004-0554
CWE-ID: CWE-835
Exploitation vector: Local access
Exploit availability: Public exploit is available
Vendor: Linux Foundation
Affected software:
Linux kernel

Detailed vulnerability description

The vulnerability allows a local user to perform service disruption.

Linux kernel 2.4.x and 2.6.x for x86 allows local users to cause a denial of service (system crash), possibly via an infinite loop that triggers a signal handler with a certain sequence of fsave and frstor instructions, as originally demonstrated using a 'crash.c' program.


How to mitigate CVE-2004-0554

Install update from vendor's repository.

Sources