PT-2019-5510 · Linux+5 · Linux Kernel+5
CVSS v4.0
8.4
High
| Vector | AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N |
Name of the Vulnerable Software and Affected Versions
Linux kernel versions prior to 5.3
Description
The issue is related to a heap-based buffer overflow in the Marvell Wi-Fi chip driver of the Linux kernel. This overflow is associated with errors in the
mwifiex set uap rates() function. Exploitation of this issue can allow an attacker to cause a denial of service, potentially leading to a system crash, or possibly execute arbitrary code. The estimated number of potentially affected devices and details about real-world incidents where this issue was exploited are not provided.Recommendations
For Linux kernel versions prior to 5.3, update to version 5.3 or later to resolve the issue.
As a temporary workaround, consider restricting access to the
mwifiex set uap rates() function until a patch is available.Exploit
Fix
DoS
Buffer Overflow
Heap Based Buffer Overflow
Memory Corruption
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Related Identifiers
Affected Products
Alt Linux
Centos
Linux Kernel
Red Hat
Suse
Ubuntu