Information disclosure in Linux kernel - CVE-2014-8709

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Main Vulnerability Database Vulnerabilities #VU41131

Information disclosure in Linux kernel - CVE-2014-8709

Published: November 10, 2014 / Updated: August 10, 2020


Vulnerability identifier: #VU41131
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2014-8709
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

The ieee80211_fragment function in net/mac80211/tx.c in the Linux kernel before 3.13.5 does not properly maintain a certain tail pointer, which allows remote attackers to obtain sensitive cleartext information by reading packets.


Affected software

Linux kernel
Ubuntu
linux (Ubuntu package)
linux-lts-quantal (Ubuntu package)
linux-lts-saucy (Ubuntu package)

How to mitigate CVE-2014-8709

Install update from vendor's website.

linux (Ubuntu package) - addressed in versions 2.6.32-70.137, 3.2.0-63.95
linux-lts-quantal (Ubuntu package) - update to 3.5.0-49.73~precise1
linux-lts-saucy (Ubuntu package) - update to 3.11.0-20.34~precise1

External References

Related Security Bulletins