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[UPDATE] [high] Linux Kernel: Vulnerability allows privilege escalation

highCVE-2026-43494
A local attacker can exploit a vulnerability in the Linux Kernel to escalate their privileges.

CSIRTS triage

vendor: Linux Kernelproduct: Linux KernelPrivilege escalation
What
A local attacker can exploit a vulnerability in the Linux Kernel to escalate their privileges.
Who is affected
Local deployments of the Linux Kernel are affected.
Urgency
Remediation is urgent due to the high severity of privilege escalation.
Action
Update the Linux Kernel to the latest version to fix this vulnerability.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CERT-Bund (BSI) Security Advisories (DE · national-cert · site)
Severity
high
Published
2026-07-28
Exploitation
Not in CISA KEV at last sync
Language
Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1633

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-43494coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

Recent advisories for Linux Kernel

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

More from CERT-Bund (BSI) Security Advisories