Integer overflow in Linux kernel

Published: 2003-12-15 | Updated: 2024-08-07

Risk	Low
Patch available	YES
Number of vulnerabilities	1
CVE-ID	CVE-2003-0961
CWE-ID	CWE-190
Exploitation vector	Local
Public exploit	Public exploit code for vulnerability #1 is available.
Vulnerable software	Linux kernel Operating systems & Components / Operating system
Vendor	Linux Foundation

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Integer overflow

EUVDB-ID: #VU95485

Risk: Low

CVSSv4.0: 7.1 [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:P/U:Clear]

CVE-ID: CVE-2003-0961

CWE-ID: CWE-190 - Integer overflow

Exploit availability: Yes

Description

The vulnerability allows a local user to execute arbitrary code.

Integer overflow in the do_brk function for the brk system call in Linux kernel 2.4.22 and earlier allows local users to gain root privileges.

Mitigation

Install update from vendor's repository.

Vulnerable software versions

Linux kernel: All versions

CPE2.3

External links

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. However, proof of concept for this vulnerability is available.