PT-2019-3985 · Linux+1 · Linux Kernel+1
Published
2019-10-04
·
Updated
2021-05-28
·
CVE-2019-18806
CVSS v3.1
5.5
Medium
| Vector | AV:L/AC:L/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 5.3.5
Description
The issue is related to a memory leak in the
ql alloc large buffers() function, which can lead to a denial of service due to memory consumption. This can be triggered by local users through pci dma mapping error() failures.Recommendations
For Linux kernel versions prior to 5.3.5, update to version 5.3.5 or later to resolve the issue. As a temporary workaround, consider restricting access to the
ql alloc large buffers() function to minimize the risk of exploitation.Fix
DoS
Memory Leak
Resource Exhaustion
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Related Identifiers
Affected Products
Alt Linux
Linux Kernel