CVE-2011-5321
linux-2.6 - security update
5.5
MEDIUM
CVSS 3.1
EPSS 0.37%
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.
How to fix CVE-2011-5321
To remediate CVE-2011-5321, upgrade the affected package to a fixed version below.
- —upgrade to 3.2.20-1 or later
- —upgrade to 2.6.32-48squeeze12 or later
Is CVE-2011-5321 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 3.2.20-1
- from 0, < 2.6.32-48squeeze12
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.5 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |