CVE-2011-5321
MEDIUMLinux Kernel < 3.1 - Denial of Service via TTY Driver Lookup Failure
Title source: llmDescription
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.
References (6)
Core 6
Core References
Vendor Advisory vendor-advisory
x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2015-1221.html
Mailing List mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2015/03/13/17
Vendor Advisory x_refsource_confirm
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c290f8358acaeffd8e0c551ddcc24d1206143376
Vendor Advisory x_refsource_confirm
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1.1
Issue Tracking x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=1201887
Vendor Advisory x_refsource_confirm
https://github.com/torvalds/linux/commit/c290f8358acaeffd8e0c551ddcc24d1206143376
Scores
CVSS v3
5.5
EPSS
0.0037
EPSS Percentile
29.8%
Attack Vector
LOCAL
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Details
Status
published
Products (1)
linux/linux_kernel
< 3.1
Published
May 02, 2016
Tracked Since
Feb 18, 2026