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.
Published: 2025-02-26
Score: 5.5 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2022-54668 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.
History

Wed, 01 Oct 2025 20:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 17 Mar 2025 09:15:00 +0000

Type Values Removed Values Added
Metrics threat_severity

Low

threat_severity

Moderate


Mon, 10 Mar 2025 22:00:00 +0000

Type Values Removed Values Added
First Time appeared Linux
Linux linux Kernel
Weaknesses CWE-191
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Vendors & Products Linux
Linux linux Kernel
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}


Thu, 27 Feb 2025 13:30:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

threat_severity

Low


Wed, 26 Feb 2025 02:45:00 +0000

Type Values Removed Values Added
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.
Title crypto: qat - add param check for DH
References

Subscriptions

Linux Linux Kernel
cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2026-05-11T19:02:23.476Z

Reserved: 2025-02-26T02:21:30.410Z

Link: CVE-2022-49564

cve-icon Vulnrichment

Updated: 2025-10-01T16:50:06.966Z

cve-icon NVD

Status : Modified

Published: 2025-02-26T07:01:32.150

Modified: 2025-10-01T20:16:47.157

Link: CVE-2022-49564

cve-icon Redhat

Severity : Moderate

Publid Date: 2025-02-26T00:00:00Z

Links: CVE-2022-49564 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses