Issued:
2025-06-17
Updated:
2025-06-17

RHSA-2025:9150 - Moderate: gvisor-tap-vsock security update

Synopsis

Moderate: gvisor-tap-vsock security update

Type/Severity

Security Advisory Moderate

Topic

An update for gvisor-tap-vsock is now available for Red Hat Enterprise Linux 9.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

A replacement for libslirp and VPNKit, written in pure Go. It is based on the network stack of gVisor. Compared to libslirp, gvisor-tap-vsock brings a configurable DNS server and dynamic port forwarding.

Security Fix(es):

  • net/http: Request smuggling due to acceptance of invalid chunked data in net/http (CVE-2025-22871)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

ProductVersionArch
Red Hat Enterprise Linux for x86_649x86_64
Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions9.6x86_64
Red Hat Enterprise Linux for x86_64 - Extended Update Support9.6x86_64
Red Hat Enterprise Linux for x86_64 - Extended Life Cycle9.6x86_64
Red Hat Enterprise Linux for Power, little endian9ppc64le
Red Hat Enterprise Linux for Power, little endian - Extended Update Support9.6ppc64le
Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle9.6ppc64le
Red Hat Enterprise Linux for IBM z Systems9s390x
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support9.6s390x
Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle9.6s390x
Red Hat Enterprise Linux for IBM z Systems - 4 years of updates9.6s390x
Red Hat Enterprise Linux for ARM 649aarch64
Red Hat Enterprise Linux for ARM 64 - Extended Update Support9.6aarch64
Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle9.6aarch64
Red Hat Enterprise Linux for ARM 64 - 4 years of updates9.6aarch64
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions9.6ppc64le
Red Hat Enterprise Linux Server - AUS9.6x86_64

Updated Packages

  • gvisor-tap-vsock-debuginfo-0.8.5-2.el9_6.s390x.rpm
  • gvisor-tap-vsock-gvforwarder-debuginfo-0.8.5-2.el9_6.aarch64.rpm
  • gvisor-tap-vsock-gvforwarder-0.8.5-2.el9_6.s390x.rpm
  • gvisor-tap-vsock-0.8.5-2.el9_6.x86_64.rpm
  • gvisor-tap-vsock-gvforwarder-0.8.5-2.el9_6.x86_64.rpm
  • gvisor-tap-vsock-debuginfo-0.8.5-2.el9_6.x86_64.rpm
  • gvisor-tap-vsock-0.8.5-2.el9_6.src.rpm
  • gvisor-tap-vsock-debugsource-0.8.5-2.el9_6.x86_64.rpm
  • gvisor-tap-vsock-gvforwarder-0.8.5-2.el9_6.aarch64.rpm
  • gvisor-tap-vsock-debuginfo-0.8.5-2.el9_6.aarch64.rpm
  • gvisor-tap-vsock-debugsource-0.8.5-2.el9_6.ppc64le.rpm
  • gvisor-tap-vsock-debugsource-0.8.5-2.el9_6.s390x.rpm
  • gvisor-tap-vsock-0.8.5-2.el9_6.ppc64le.rpm
  • gvisor-tap-vsock-0.8.5-2.el9_6.s390x.rpm
  • gvisor-tap-vsock-debugsource-0.8.5-2.el9_6.aarch64.rpm
  • gvisor-tap-vsock-gvforwarder-0.8.5-2.el9_6.ppc64le.rpm
  • gvisor-tap-vsock-debuginfo-0.8.5-2.el9_6.ppc64le.rpm
  • gvisor-tap-vsock-gvforwarder-debuginfo-0.8.5-2.el9_6.s390x.rpm
  • gvisor-tap-vsock-gvforwarder-debuginfo-0.8.5-2.el9_6.x86_64.rpm
  • gvisor-tap-vsock-0.8.5-2.el9_6.aarch64.rpm
  • gvisor-tap-vsock-gvforwarder-debuginfo-0.8.5-2.el9_6.ppc64le.rpm

Fixes

CVEs

References

Additional information