CVE-2010-4707

4.9 MEDIUM 0.4% exploit odds Fix listed

What it is

The check_acl function in pam_xauth.c in the pam_xauth module in Linux-PAM (aka pam) 1.1.2 and earlier does not verify that a certain ACL file is a regular file, which might allow local users to cause a denial of service (resource consumption) via a special file.

At a glance

Exploitability: Can be exploited locally on the machine without logging in. High risk of data exposure.
Exploit odds: 0.4% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2011-01-24 19:00 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-16 23:25 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.4% in the next 30 days (EPSS).
Severity: 4.9 MEDIUM (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2011-01-24 19:00 UTC
Last modified: 2026-06-16 23:25 UTC
Exploit probability: 0.4% · EPSS, next 30 days
Weakness: CWE-399
Record status: Modified

Affected

linux-pam ≤ 1.1.2
linux-pam 0.99.1.0
linux-pam 0.99.2.0
linux-pam 0.99.2.1
linux-pam 0.99.3.0
linux-pam 0.99.4.0
linux-pam 0.99.5.0
linux-pam 0.99.6.0

Attack profile CVSS 2.0 · 4.9

Attack vector: Local
Complexity: Low
Authentication: None
Confidentiality: Complete
Integrity: None
Availability: None

Raw vector

AV:L/AC:L/Au:N/C:C/I:N/A:N

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2010-4707.md and follow it. Check whether this project is affected by CVE-2010-4707. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record