CVEvulnerability
CVE-2011-5321
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2016-05-02
- Last modified
- 2026-06-16
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 5.5 MEDIUM — CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 4.9 MEDIUM — AV:L/AC:L/Au:N/C:N/I:N/A:C
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.
Affected configurations
• linux linux kernel (<= 3.1)
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c290f8358acaeffd8e0c551ddcc24d1206143376 Vendor Advisory
- http://rhn.redhat.com/errata/RHSA-2015-1221.html rhn.redhat.com
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1.1 www.kernel.org
- http://www.openwall.com/lists/oss-security/2015/03/13/17 www.openwall.com
- https://bugzilla.redhat.com/show_bug.cgi?id=1201887 bugzilla.redhat.com
- https://github.com/torvalds/linux/commit/c290f8358acaeffd8e0c551ddcc24d1206143376 Vendor Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c290f8358acaeffd8e0c551ddcc24d1206143376 Vendor Advisory
- http://rhn.redhat.com/errata/RHSA-2015-1221.html rhn.redhat.com
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1.1 www.kernel.org
- http://www.openwall.com/lists/oss-security/2015/03/13/17 www.openwall.com
- https://bugzilla.redhat.com/show_bug.cgi?id=1201887 bugzilla.redhat.com
- https://github.com/torvalds/linux/commit/c290f8358acaeffd8e0c551ddcc24d1206143376 Vendor Advisory