CVE-2022-49564

MEDIUM

Linux Kernel < 5.15.58, 5.16.0-5.18.15 - Integer Underflow in DH Key Parameter Handling

Title source: llm

Description

In the Linux kernel, the following vulnerability has been resolved: crypto: qat - add param check for DH Reject requests with a source buffer that is bigger than the size of the key. This is to prevent a possible integer underflow that might happen when copying the source scatterlist into a linear buffer.

References (3)

Core 3

Core References

Patch

https://git.kernel.org/stable/c/e7f979ed51f96495328157df663c835b17db1e30

Patch

https://git.kernel.org/stable/c/76c9216833e7c20a67c987cf89719a3f01666aaa

Patch

https://git.kernel.org/stable/c/2acbb8771f6ac82422886e63832ee7a0f4b1635b

Scores

CVSS v3 5.5

EPSS 0.0025

EPSS Percentile 15.6%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-191

Status published

Products (11)

linux/Kernel 4.8.0 - 5.15.58linux

linux/Kernel 5.16.0 - 5.18.15linux

Linux/Linux < 4.8

Linux/Linux 4.8

Linux/Linux 5.15.58 - 5.15.*

Linux/Linux 5.18.15 - 5.18.*

Linux/Linux 5.19

Linux/Linux c9839143ebbf5e821128da44f7e271d745aab19e - 2acbb8771f6ac82422886e63832ee7a0f4b1635b

Linux/Linux c9839143ebbf5e821128da44f7e271d745aab19e - 76c9216833e7c20a67c987cf89719a3f01666aaa

Linux/Linux c9839143ebbf5e821128da44f7e271d745aab19e - e7f979ed51f96495328157df663c835b17db1e30

... and 1 more

Published Feb 26, 2025

Tracked Since Feb 18, 2026