Vulnerability identifier: #VU34819

Vulnerability risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2011-2498

CWE-ID: CWE-20

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

Description

The vulnerability allows a local authenticated user to perform a denial of service (DoS) attack.

The Linux kernel from v2.3.36 before v2.6.39 allows local unprivileged users to cause a denial of service (memory consumption) by triggering creation of PTE pages.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: 2.3.36 - 2.3.99, 2.4.0 - 2.4.37.11, 2.5.0 - 2.5.75, 2.6 - 2.6.38.8

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External links
http://marc.info/?l=oss-security&m=130923704824984&w=2
http://people.canonical.com/~ubuntu-security/cve/2011/CVE-2011-2498.html
http://security-tracker.debian.org/tracker/CVE-2011-2498
http://usn.ubuntu.com/1167-1/
http://www.rapid7.com/db/vulnerabilities/ubuntu-USN-1383-1

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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.