Security restrictions bypass in Linux kernel

1) Security restrictions bypass

EUVDB-ID: #VU99929

Risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2005-0204

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a local user to corrupt data.

Linux kernel before 2.6.9, when running on the AMD64 and Intel EM64T architectures, allows local users to write to privileged IO ports via the OUTS instruction.

Mitigation

Install update from vendor's repository.

Vulnerable software versions

Linux kernel: All versions

CPE2.3

• cpe:2.3:o:linux_foundation:linux_kernel:*:*:*:*:*:*:*:*

External links

https://secunia.com/advisories/18784
https://www.redhat.com/support/errata/RHSA-2005-092.html
https://www.redhat.com/support/errata/RHSA-2005-293.html
https://www.securityfocus.com/bid/12598
https://www.trustix.org/errata/2006/0006
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10320

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.