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VULNERABILITIES

CVE-2026-80709 Details

Description

In the Linux kernel, the following vulnerability has been resolved: s390/zcrypt: Fix wrong domain value verification with EP11 CPRBs There is a wrong upper limit check for the domain value when an EP11 CPRB is processed for sending to a crypto card. This check is only active on custom device nodes but may lead to access heap memory behind perms->adm when an administrative CPRB is sent. Add correct limit (AP_DOMAINS = 256) checking to fix this.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: kernel.orgCVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://git.kernel.org/stable/c/1223477ca88e2396eca440919d0ca8754df79bd5 kernel.org
https://git.kernel.org/stable/c/13e53d6ae1c3b2ff1be75b9ef09be26f4ec3ce15 kernel.org
https://git.kernel.org/stable/c/4589f742718d0256ea6dd1f5a78be6e689bdb8aa kernel.org
https://git.kernel.org/stable/c/672b12940e3f1336dfed5287412a71500adf2a76 kernel.org
https://git.kernel.org/stable/c/983279d7f86ade73db86f886e09172dd567031b5 kernel.org

see all 6 references

Weakness Enumeration

No weakness enumeration is available for this CVE.

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-80709
NVD Published Date:
Aug 28, 2026
NVD Last Modified:
Aug 29, 2026
Source:
kernel.org