Use-after-free in Linux kernel - CVE-2013-7446

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Main Vulnerability Database Vulnerabilities #VU90834

Use-after-free in Linux kernel - CVE-2013-7446

Published: December 28, 2015 / Updated: August 13, 2018


Vulnerability identifier: #VU90834
CSH Severity: Low
CVSS v4: 5.8 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2013-7446
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to damange or delete data.

The vulnerability exists due to a use-after-free error within the unix_release_sock(), unix_create1(), unix_dgram_sendmsg(), unix_state_lock(), unix_state_unlock() and unix_dgram_poll() functions in net/unix/af_unix.c. A local user can damange or delete data.


Affected software

Linux kernel
Fedora
kernel

How to mitigate CVE-2013-7446

Install update from vendor's website.

kernel - addressed in versions 4.2.8-200.fc22, 4.2.8-300.fc23

External References

Related Security Bulletins