What’s Vulnerable › Vulnerabilities

CVE-2011-2498

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-02-20 · updated 2026-06-16
• Weakness: CWE-772

Description

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.

Affected products

• Canonical Ubuntu Linux: 11.04, 12.04
• Linux kernel: from 2.3.36 before 2.6.39 — fixed in 2.6.39

How to fix

Upgrade to a fixed version: Linux kernel 2.6.39. Check the vendor advisory for mitigations.

References

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

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