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CVE-2026-64148

7.5 · HIGH

In the Linux kernel, the following vulnerability has been resolved: pds_core: fix error handling in pdsc_devcmd_wait Fix two cases where pdsc_devcmd_wait() returns stale success from the completi…

Published Jul 19, 2026CWE-835EPSS 0.47%

Overview

CVE-2026-64148 is a high-severity vulnerability. It was published on July 19, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

In the Linux kernel, the following vulnerability has been resolved:

pds_core: fix error handling in pdsc_devcmd_wait

Fix two cases where pdsc_devcmd_wait() returns stale success from

the completion register instead of an error:

1. FW crash: If firmware stops running, the wait loop breaks early with

running=false. The condition "if ((!done || timeout) && running)" is

false, so error handling is bypassed and stale status is returned.

Check !running first and return -ENXIO.

2. Timeout: If a command times out, err is set to -ETIMEDOUT but then

overwritten by pdsc_err_to_errno(status) which reads stale status.

Return -ETIMEDOUT immediately after cleaning up.

Both errors now propagate to pdsc_devcmd_locked() which queues

health_work for recovery.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/0e46b6635b03d29807f810c3b415c4755a3f958dRefgit.kernel.org/stable/c/10ae3180095bbe2d378c5b1d6f2f2fd74dda3cc2Refgit.kernel.org/stable/c/3231aff8ab26111c54e630b1a200fc43a729dd14Refgit.kernel.org/stable/c/560d559324169fe0583d54c475b5329550a86f71Refgit.kernel.org/stable/c/784dd2bdc622ed3cc6ef8e113aa1852e252de36f

How CyberStrike helps

Frequently asked questions

What is CVE-2026-64148?

CVE-2026-64148 is a high-severity vulnerability. It was published on July 19, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2026-64148?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-64148?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-64148?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-64148 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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