PT-2019-4098 · Linux+4 · Linux Kernel+4
Published
2019-10-07
·
Updated
2022-11-08
·
CVE-2019-19054
CVSS v3.1
4.7
Medium
| Vector | AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H |
Name of the Vulnerable Software and Affected Versions
Linux kernel versions prior to 5.3.11
Description
The issue is related to a memory leak in the
cx23888 ir probe() function, which can lead to uncontrolled resource consumption. This can be exploited by a remote attacker to cause a denial of service, specifically by consuming memory. The exploitation is possible by triggering kfifo alloc() failures.Recommendations
For Linux kernel versions prior to 5.3.11, update to version 5.3.11 or later to resolve the issue.
As a temporary workaround, consider restricting access to the
cx23888 ir probe() function to minimize the risk of exploitation.Fix
DoS
Memory Leak
Resource Exhaustion
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Related Identifiers
Affected Products
Alt Linux
Linuxmint
Linux Kernel
Suse
Ubuntu