vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2022-49564

crypto: qat - add param check for DH

MEDIUM
5.5
CVSS Score
Published: February 26, 2025 at 02:23 AM UTC
Updated: August 5, 2026 at 09:24 AM UTC
1 product affected across 1 vendorLinux Kernel

Using Linux by Linux?

Get instant alerts when new vulnerabilities affect Linux - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
MEDIUM5.5
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
95%
v < 5.15.584.8 ≤ v < 5.15.584.8 ≤ v < 5.18.154.8 ≤ v < 5.195.16 ≤ v < 5.18.154.8c9839143ebbf5e821128da44f7e271d745aab19e
Vendor states this is fixed in 2acbb8771f6ac82422886e63832ee7a0f4b1635b (fixed)
Vendor states this is fixed in 76c9216833e7c20a67c987cf89719a3f01666aaa (fixed)
Vendor states this is fixed in e7f979ed51f96495328157df663c835b17db1e30 (fixed)
Vendor states this is fixed in 4.8 (unaffected)
Vendor states this is fixed in 5.15.58 (unaffected)
Vendor states this is fixed in 5.18.15 (unaffected)
Vendor states this is fixed in 5.19 (unaffected)

References (3)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/2acbb8771f6ac82422886e63832ee7a0f4b1635b
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/76c9216833e7c20a67c987cf89719a3f01666aaa
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/e7f979ed51f96495328157df663c835b17db1e30

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUMCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-191

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card