CVE-2024-58240: tls: separate no-async decryption request handling from async

highCVSS 7.8CVE-2024-58240

CSIRTS triage

vendor: Linux product: Linux kernelOther

What: TLS decryption request handling for non-async and async paths is not properly separated.
Who is affected: Linux kernel systems using TLS with asynchronous cryptographic operations.
Urgency: High priority due to severity rating; improper request handling could lead to encryption bypass or data corruption.
Action: Apply the kernel patch that separates no-async decryption request handling from async handling in the TLS subsystem.

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: high — CVSS 7.8
Published: 2026-08-06
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-58240

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-2024-582400.31% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 24% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2024-58240	coverage & exploitation status	NVD · CVE.org

Recent advisories for tls

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