CVE-2025-22871 Affecting gvisor-tap-vsock package, versions <6:0.8.5-2.el9_6


Severity

Recommended
medium

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.78% (52nd percentile)

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  • Snyk IDSNYK-ALMALINUX9-GVISORTAPVSOCK-10390198
  • published19 Jun 2025
  • disclosed17 Jun 2025

Introduced: 17 Jun 2025

CVE-2025-22871  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:9 gvisor-tap-vsock to version 6:0.8.5-2.el9_6 or higher.
This issue was patched in ALSA-2025:9150.

NVD Description

Note: Versions mentioned in the description apply only to the upstream gvisor-tap-vsock package and not the gvisor-tap-vsock package as distributed by AlmaLinux. See How to fix? for AlmaLinux:9 relevant fixed versions and status.

The net/http package improperly accepts a bare LF as a line terminator in chunked data chunk-size lines. This can permit request smuggling if a net/http server is used in conjunction with a server that incorrectly accepts a bare LF as part of a chunk-ext.

References

CVSS Base Scores

version 3.1