UBUNTU-CVE-2011-5321

Advisory lineage Upstream: 1 Downstream: 0

Upstream

CVE-2011-5321

Published: 02 May 2016, 10:59

Last modified:16 Jul 2025, 08:10

Vulnerability Summary

Overall Risk (default)

low

22/100

CVSS Score

5.5 MEDIUM

3.0 (osv_ubuntu)

EPSS Score

No data

KEV

Not listed

Ransomware

No reports

Public exploits

None found

Dark Web

Not detected

Timeline

02 May 2016, 10:59

Published

Vulnerability first disclosed

16 Jul 2025, 08:10

Last Modified

Vulnerability information updated

Description

The tty_open function in drivers/tty/tty_io.c in the Linux kernel before 3.1.1 mishandles a driver-lookup failure, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via crafted access to a device file under the /dev/pts directory.

CVSS Metrics

v3.0•MEDIUM•Score: 5.5CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Systems

ubuntu•linux
< 3.11.0-12.19
ubuntu•linux-lts-utopic
< 3.16.0-25.33~14.04.2
ubuntu•linux-lts-vivid
< 3.19.0-18.18~14.04.1