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CVE-2022-49563

crypto: qat - add param check for RSA

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

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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 RSA 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 < 5.15.584.3 ≤ v < 5.15.584.3 ≤ v < 5.18.154.3 ≤ v < 5.195.16 ≤ v < 5.18.154.3a990532023b903b10cf14736241cdd138e4bc92c
Vendor states this is fixed in 4d6d2adce08788b7667a6e58002682ea1bbf6a79 (fixed)
Vendor states this is fixed in 9714061423b8b24b8afb31b8eb4df977c63f19c4 (fixed)
Vendor states this is fixed in f993321e50ba7a8ba4f5b19939e1772a921a1c42 (fixed)
Vendor states this is fixed in 4.3 (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/4d6d2adce08788b7667a6e58002682ea1bbf6a79
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/9714061423b8b24b8afb31b8eb4df977c63f19c4
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/f993321e50ba7a8ba4f5b19939e1772a921a1c42

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

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