PT-2019-4092 · Linux+5 · Linux Kernel+5
Published
2019-10-18
·
Updated
2021-05-28
·
CVE-2019-19045
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
mlx5 fpga conn create cq() function, which can lead to a denial of service due to memory consumption. This can be triggered by causing mlx5 vector2eqn() failures. The vulnerability allows remote attackers to exploit this weakness.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
mlx5 fpga conn create cq() function until a patch is available.Fix
DoS
Memory Leak
Resource Exhaustion
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Related Identifiers
Affected Products
Alt Linux
Centos
Linux Kernel
Red Hat
Suse
Ubuntu