CVE-2026-64438
Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks. https://security-tracker.debian.org/tracker/DSA-6405-1
CSIRTS triage
- What
- The vulnerability addresses a race condition in the VF2PF work teardown process.
- Who is affected
- Deployments using qat are affected.
- Urgency
- Remediation urgency is unclear due to unknown severity and no exploitation reported.
- Action
- Monitor for updates regarding this issue.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.14% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 3% of all EPSS-scored CVEs.
Advisory coverage (3)
- unknownDSA-6405-1 linux - security updatedebian · 2026-07-31
- highCVE-2026-64438: In the Linux kernel, the following vulnerability has been resolved: crypto: qat - fix VF2PF wo…nvd · 2026-07-25
- mediumCVE-2026-64438: crypto: qat - fix VF2PF work teardown race in adf_disable_sriov()msrc · 2026-07-14
External references
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