🛡️ AZL-35474 — hyperv-daemons

⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

CVE-2024-26583 affecting package hyperv-daemons for versions less than 6.6.22.1-2

In the Linux kernel, the following vulnerability has been resolved:

tls: fix race between async notify and socket close

The submitting thread (one which called recvmsg/sendmsg)

may exit as soon as the async crypto handler calls complete()

so any code past that point risks touching already freed data.

Try to avoid the locking and extra flags altogether.

Have the main thread hold an extra reference, this way

we can depend solely on the atomic ref counter for

synchronization.

Don't futz with reiniting the completion, either, we are now

tightly controlling when completion fires.

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is high, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.

Affected software

AZL-35474 is recorded against 1 package.

  • hyperv-daemons (fixed in 6.6.22.1-2)

Timeline and source

Published on 21 February 2024 and last revised on 21 April 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

nvd.nist.gov (Web)

Details

Severity Unknown
CVSS Score N/A
CVSS Vector CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2024-02-21
Updated 2026-08-12
Modified 2026-04-21
Fix URL N/A

Affected Packages

Software From version Fixed in
hyperv-daemons — 6.6.22.1-2

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