CVE-2026-74610: tls: don't leave a full plaintext sk_msg ring unpushed

mediumCVSS 5.5CVE-2026-74610

CSIRTS triage

vendor: Linux product: Linux Kernel Denial of service

What: TLS receive path may leave a full plaintext sk_msg ring unpushed, leading to buffer management issues and potential denial of service.
Who is affected: Systems using in-kernel TLS offload with active TLS connections.
Urgency: Medium priority; affects TLS offload functionality and can cause connection handling issues.
Action: Apply kernel patches addressing CVE-2026-74610 when available through distribution updates.

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

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Details

Source: Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity: medium — CVSS 5.5
Published: 2026-08-11
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-74610

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-2026-746100.13% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 3% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-74610	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

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

Recent advisories for tls

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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