[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities

mediumCVE-2024-27399 CVE-2023-52655 CVE-2024-27400 CVE-2023-52656 CVE-2024-27401 CVE-2024-27398

A local attacker can exploit multiple vulnerabilities in the Linux Kernel to conduct a denial of service attack or an unspecified attack.

CSIRTS triage

vendor: Linux product: Kernel Denial of serviceOther

What: Multiple vulnerabilities can be exploited by a local attacker to conduct denial of service attacks or unspecified attacks.
Who is affected: Users of the Linux Kernel are affected.
Urgency: Remediation is medium priority as exploitation is possible but not confirmed.
Action: Apply the latest updates for the Linux Kernel.

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: medium
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-2024-1108

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-2024-273990.30% 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-2023-526550.27% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 19% of all scored CVEs.
Low exploitation riskCVE-2024-274000.24% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 14% of all scored CVEs.
Low exploitation riskCVE-2023-526560.30% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 21% of all scored CVEs.
Low exploitation riskCVE-2024-274010.30% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 21% of all scored CVEs.
Low exploitation riskCVE-2024-273980.76% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 51% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2024-27399	coverage & exploitation status	NVD · CVE.org
CVE-2023-52655	coverage & exploitation status	NVD · CVE.org
CVE-2024-27400	coverage & exploitation status	NVD · CVE.org
CVE-2023-52656	coverage & exploitation status	NVD · CVE.org
CVE-2024-27401	coverage & exploitation status	NVD · CVE.org
CVE-2024-27398	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

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

unknownMultiple vulnerabilities in Red Hat Linux kernel (July 10, 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.

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