PT-2019-4093 · Linux+3 · Linux Kernel+3
Published
2019-11-04
·
Updated
2023-01-19
·
CVE-2019-19052
CVSS v2.0
7.8
High
| Vector | AV:N/AC:L/Au:N/C:N/I:N/A:C |
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
gs can open() function, located in the drivers/net/can/usb/gs usb.c file of the Linux kernel. This leak can be exploited by a remote attacker to cause a denial of service, specifically by consuming memory. The exploitation is possible by triggering usb submit urb() 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
gs can open() function to minimize the risk of exploitation.Exploit
Fix
DoS
Memory Leak
Resource Exhaustion
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Related Identifiers
Affected Products
Alt Linux
Linux Kernel
Suse
Ubuntu