[UPDATE] [high] Linux Kernel: Multiple vulnerabilities

CSIRTS triage

What

Multiple vulnerabilities in the Linux Kernel can trigger denial-of-service attacks.

Who is affected

Deployments of the Linux Kernel are affected by these vulnerabilities.

Urgency

Remediation is urgent due to the high severity and potential for exploitation.

Action

Apply the latest patches for the Linux Kernel.

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

2026-07-09

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-2026-2056

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-2026-529140.52% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 40% of all scored CVEs.
• Low exploitation riskCVE-2026-529150.13% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 3% of all scored CVEs.
• Low exploitation riskCVE-2026-529160.12% 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-2026-529170.13% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 3% of all scored CVEs.
• Low exploitation riskCVE-2026-529180.27% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 18% of all scored CVEs.
• Low exploitation riskCVE-2026-529190.12% 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-2026-529200.30% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 22% of all scored CVEs.
• Low exploitation riskCVE-2026-529210.11% 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-2026-529260.11% 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-2026-529270.12% 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 Microsoft Azure Linux (July 10, 2026)cert-fr-avis
• unknownMultiple vulnerabilities in Debian LTS Linux kernel (July 10, 2026)cert-fr-avis
• unknownMultiple vulnerabilities in SUSE Linux kernel (July 10, 2026)cert-fr-avis
• unknownMultiple vulnerabilities in Microsoft Azure Linux (July 09, 2026)cert-fr-avis
• unknownMultiple vulnerabilities in Microsoft Azure Linux (June 29, 2026)cert-fr-avis
• mediumCVE-2026-52936: crypto: jitterentropy - replace long-held spinlock with mutexmsrc
• mediumCVE-2026-52929: sctp: stream: fully roll back denied add-stream statemsrc
• criticalCVE-2026-52931: batman-adv: tp_meter: avoid use of uninit sender varsmsrc
• highCVE-2026-52942: netfilter: nf_log: validate MAC header was set before dumping itmsrc
• highCVE-2026-52918: Bluetooth: serialize accept_q accessmsrc
• mediumCVE-2026-52937: tap: fix stack info leak in tap_ioctl() SIOCGIFHWADDRmsrc
• highCVE-2026-52912: netfilter: nf_queue: hold bridge skb->dev while queuedmsrc

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