[UPDATE] [high] Linux Kernel: Multiple vulnerabilities

CSIRTS triage

What

Multiple vulnerabilities can lead to denial of service or other unspecified impacts.

Who is affected

Deployments of the Linux Kernel.

Urgency

Remediation is urgent due to the high severity of the vulnerabilities.

Action

Apply patches as soon as they are available.

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

Details

Source

CERT-Bund (BSI) Security Advisories (DE · national-cert · site)

Severity

high

Published

2026-07-07

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-2026-1531

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.

• Low exploitation riskCVE-2026-434760.12% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 2% of all scored CVEs.
• Low exploitation riskCVE-2026-434770.11% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 2% of all scored CVEs.
• Low exploitation riskCVE-2026-434780.10% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 1% of all scored CVEs.
• Low exploitation riskCVE-2026-434790.11% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 2% of all scored CVEs.
• Low exploitation riskCVE-2026-434800.11% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 2% of all scored CVEs.
• Low exploitation riskCVE-2026-434810.12% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 2% of all scored CVEs.
• Low exploitation riskCVE-2026-434820.12% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 2% of all scored CVEs.
• Low exploitation riskCVE-2026-434830.11% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 2% of all scored CVEs.
• Low exploitation riskCVE-2026-434840.11% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 2% of all scored CVEs.
• Low exploitation riskCVE-2026-434850.11% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 2% of all scored CVEs.

Referenced CVEs

Same CVEs, other sources

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

• unknownMultiple vulnerabilities in SUSE Linux kernel (July 10, 2026)cert-fr-avis
• unknownMultiple vulnerabilities in SUSE Linux kernel (July 3, 2026)cert-fr-avis
• unknownMultiple vulnerabilities in the SUSE Linux kernel (June 26, 2026)cert-fr-avis

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.

• unknownCVE-2026-53363: In the Linux kernel, the following vulnerability has been resolved: xfrm: iptfs: preserve shar…nvd · 2026-07-10
• medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities allow denial of servicecert-bund · 2026-07-10
• medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities allow denial of servicecert-bund · 2026-07-10
• medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities allow unspecified attackcert-bund · 2026-07-10
• high[UPDATE] [high] Linux Kernel: Multiple vulnerabilitiescert-bund · 2026-07-10
• high[UPDATE] [high] Linux Kernel: Multiple vulnerabilitiescert-bund · 2026-07-10

More from CERT-Bund (BSI) Security Advisories

• medium[NEW] [medium] DENX U-Boot: Multiple vulnerabilities allow execution of arbitrary code and DoS2026-07-10
• medium[NEW] [medium] Samsung Android: Multiple vulnerabilities2026-07-10
• medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities allow denial of service2026-07-10
• medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities allow unspecified attack2026-07-10
• medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities allow denial of service2026-07-10