#VU99921 Resource management errors in Linux kernel - CVE-2005-3105

Vulnerability identifier: #VU99921

Vulnerability risk: Low

CVSSv4.0: 1.1 [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:U/U:Clear]

CVE-ID: CVE-2005-3105

CWE-ID: CWE-399

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 perform service disruption.

The mprotect code (mprotect.c) in Linux 2.6 on Itanium IA64 Montecito processors does not properly maintain cache coherency as required by the architecture, which allows local users to cause a denial of service and possibly corrupt data by modifying PTE protections.

Mitigation
Install update from vendor's repository.

Vulnerable software versions

Linux kernel: All versions

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External links
https://cache-www.intel.com/cd/00/00/21/57/215792_215792.pdf
https://linux.bkbits.net:8080/linux-2.6/cset@4248d4019z8HvgrPAji51TKrWiV2uw?nav=index.html|src/|src/mm|related/mm/mprotect.c
https://secunia.com/advisories/18056
https://www.debian.org/security/2005/dsa-922
https://www.intel.com/cd/ids/developer/asmo-na/eng/215766.htm
https://www.redhat.com/support/errata/RHSA-2005-514.html
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11283

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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.