Issued:: 2025-06-05
Updated:: 2025-06-05

RHSA-2025:8601 - Security Advisory

Overview
Updated Packages

Synopsis

Moderate: gvisor-tap-vsock security update

Type/Severity

Security Advisory: Moderate

Red Hat Lightspeed patch analysis

Identify and remediate systems affected by this advisory.

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Topic

An update for gvisor-tap-vsock is now available for Red Hat Enterprise Linux 9.4 Extended Update Support.

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 and is used to provide networking for podman-machine virtual machines. 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

Red Hat Enterprise Linux for x86_64 - Extended Update Support 9.4 x86_64
Red Hat Enterprise Linux Server - AUS 9.4 x86_64
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.4 s390x
Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.4 ppc64le
Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.4 aarch64
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.4 ppc64le
Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.4 x86_64
Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.4 aarch64
Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.4 s390x
Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 9.4 x86_64
Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 9.4 aarch64
Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 9.4 ppc64le
Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 9.4 s390x

Fixes

BZ - 2358493 - CVE-2025-22871 net/http: Request smuggling due to acceptance of invalid chunked data in net/http

CVEs

CVE-2025-22871

References

https://access.redhat.com/security/updates/classification/#moderate

Note: More recent versions of these packages may be available. Click a package name for more details.

Red Hat Enterprise Linux for x86_64 - Extended Update Support 9.4

SRPM
gvisor-tap-vsock-0.7.3-5.el9_4.2.src.rpm	SHA-256: a0db991c92fbe5ebe9b1025d4a1c02537ed1fa69b5c6e292606866289c1c6127
x86_64
gvisor-tap-vsock-0.7.3-5.el9_4.2.x86_64.rpm	SHA-256: 0137738e5b051e955a9564c862091da350eea31e44326f5f00b5bb127205c34a
gvisor-tap-vsock-debuginfo-0.7.3-5.el9_4.2.x86_64.rpm	SHA-256: f0ff7b320188d5e77739d1ecf462d43512f80c1a5718f8108157227afdc3fc9a
gvisor-tap-vsock-debugsource-0.7.3-5.el9_4.2.x86_64.rpm	SHA-256: bfa2aa3e0dad6bd771bfc0302c484e1a77f7f96ea9a6d789110db41d5cdf4178

Red Hat Enterprise Linux Server - AUS 9.4

SRPM
gvisor-tap-vsock-0.7.3-5.el9_4.2.src.rpm	SHA-256: a0db991c92fbe5ebe9b1025d4a1c02537ed1fa69b5c6e292606866289c1c6127
x86_64
gvisor-tap-vsock-0.7.3-5.el9_4.2.x86_64.rpm	SHA-256: 0137738e5b051e955a9564c862091da350eea31e44326f5f00b5bb127205c34a
gvisor-tap-vsock-debuginfo-0.7.3-5.el9_4.2.x86_64.rpm	SHA-256: f0ff7b320188d5e77739d1ecf462d43512f80c1a5718f8108157227afdc3fc9a
gvisor-tap-vsock-debugsource-0.7.3-5.el9_4.2.x86_64.rpm	SHA-256: bfa2aa3e0dad6bd771bfc0302c484e1a77f7f96ea9a6d789110db41d5cdf4178

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.4

SRPM
gvisor-tap-vsock-0.7.3-5.el9_4.2.src.rpm	SHA-256: a0db991c92fbe5ebe9b1025d4a1c02537ed1fa69b5c6e292606866289c1c6127
s390x
gvisor-tap-vsock-0.7.3-5.el9_4.2.s390x.rpm	SHA-256: 842f4e33b172f44cc2f1166db2a2774343d69b23e6f0a0972092fad5d821095a
gvisor-tap-vsock-debuginfo-0.7.3-5.el9_4.2.s390x.rpm	SHA-256: 293490d0d1b613d84d093df118da7be0bbfc6eb84bf939450f05de9e13a44978
gvisor-tap-vsock-debugsource-0.7.3-5.el9_4.2.s390x.rpm	SHA-256: ee351916d0af35bcca2fd2985304fe4054ea82bf6bcc24325ba6da24459e52d9

Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.4

SRPM
gvisor-tap-vsock-0.7.3-5.el9_4.2.src.rpm	SHA-256: a0db991c92fbe5ebe9b1025d4a1c02537ed1fa69b5c6e292606866289c1c6127
ppc64le
gvisor-tap-vsock-0.7.3-5.el9_4.2.ppc64le.rpm	SHA-256: 9dae5865cb4ebdf837009fa624aa535366b32af75ad14f532a6e04a094a5750b
gvisor-tap-vsock-debuginfo-0.7.3-5.el9_4.2.ppc64le.rpm	SHA-256: fffa3e27343d39ac63e391367c42276ed1b7ea9f406c0e6ec800dc100a264baa
gvisor-tap-vsock-debugsource-0.7.3-5.el9_4.2.ppc64le.rpm	SHA-256: 233e8f6989722ccfc24b12466c6bcc47c2acae9b0a407100528cf9facc6e2561

Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.4

SRPM
gvisor-tap-vsock-0.7.3-5.el9_4.2.src.rpm	SHA-256: a0db991c92fbe5ebe9b1025d4a1c02537ed1fa69b5c6e292606866289c1c6127
aarch64
gvisor-tap-vsock-0.7.3-5.el9_4.2.aarch64.rpm	SHA-256: 59a2d8980146d96b037b61828aa16fe0df8339172ddc47b27bd5bba66ac6344f
gvisor-tap-vsock-debuginfo-0.7.3-5.el9_4.2.aarch64.rpm	SHA-256: 26f3372b268967b48be2efb3617bcd22ea20677ad0ee19325ac8a80ce6801ae6
gvisor-tap-vsock-debugsource-0.7.3-5.el9_4.2.aarch64.rpm	SHA-256: e07e561a6d051b0e99aecfd1c0d557939c3906a0ec4f7877197507eea560f846

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.4

SRPM
gvisor-tap-vsock-0.7.3-5.el9_4.2.src.rpm	SHA-256: a0db991c92fbe5ebe9b1025d4a1c02537ed1fa69b5c6e292606866289c1c6127
ppc64le
gvisor-tap-vsock-0.7.3-5.el9_4.2.ppc64le.rpm	SHA-256: 9dae5865cb4ebdf837009fa624aa535366b32af75ad14f532a6e04a094a5750b
gvisor-tap-vsock-debuginfo-0.7.3-5.el9_4.2.ppc64le.rpm	SHA-256: fffa3e27343d39ac63e391367c42276ed1b7ea9f406c0e6ec800dc100a264baa
gvisor-tap-vsock-debugsource-0.7.3-5.el9_4.2.ppc64le.rpm	SHA-256: 233e8f6989722ccfc24b12466c6bcc47c2acae9b0a407100528cf9facc6e2561

Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.4

SRPM
gvisor-tap-vsock-0.7.3-5.el9_4.2.src.rpm	SHA-256: a0db991c92fbe5ebe9b1025d4a1c02537ed1fa69b5c6e292606866289c1c6127
x86_64
gvisor-tap-vsock-0.7.3-5.el9_4.2.x86_64.rpm	SHA-256: 0137738e5b051e955a9564c862091da350eea31e44326f5f00b5bb127205c34a
gvisor-tap-vsock-debuginfo-0.7.3-5.el9_4.2.x86_64.rpm	SHA-256: f0ff7b320188d5e77739d1ecf462d43512f80c1a5718f8108157227afdc3fc9a
gvisor-tap-vsock-debugsource-0.7.3-5.el9_4.2.x86_64.rpm	SHA-256: bfa2aa3e0dad6bd771bfc0302c484e1a77f7f96ea9a6d789110db41d5cdf4178

Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.4

SRPM
gvisor-tap-vsock-0.7.3-5.el9_4.2.src.rpm	SHA-256: a0db991c92fbe5ebe9b1025d4a1c02537ed1fa69b5c6e292606866289c1c6127
aarch64
gvisor-tap-vsock-0.7.3-5.el9_4.2.aarch64.rpm	SHA-256: 59a2d8980146d96b037b61828aa16fe0df8339172ddc47b27bd5bba66ac6344f
gvisor-tap-vsock-debuginfo-0.7.3-5.el9_4.2.aarch64.rpm	SHA-256: 26f3372b268967b48be2efb3617bcd22ea20677ad0ee19325ac8a80ce6801ae6
gvisor-tap-vsock-debugsource-0.7.3-5.el9_4.2.aarch64.rpm	SHA-256: e07e561a6d051b0e99aecfd1c0d557939c3906a0ec4f7877197507eea560f846

Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.4

SRPM
gvisor-tap-vsock-0.7.3-5.el9_4.2.src.rpm	SHA-256: a0db991c92fbe5ebe9b1025d4a1c02537ed1fa69b5c6e292606866289c1c6127
s390x
gvisor-tap-vsock-0.7.3-5.el9_4.2.s390x.rpm	SHA-256: 842f4e33b172f44cc2f1166db2a2774343d69b23e6f0a0972092fad5d821095a
gvisor-tap-vsock-debuginfo-0.7.3-5.el9_4.2.s390x.rpm	SHA-256: 293490d0d1b613d84d093df118da7be0bbfc6eb84bf939450f05de9e13a44978
gvisor-tap-vsock-debugsource-0.7.3-5.el9_4.2.s390x.rpm	SHA-256: ee351916d0af35bcca2fd2985304fe4054ea82bf6bcc24325ba6da24459e52d9

Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 9.4

SRPM
gvisor-tap-vsock-0.7.3-5.el9_4.2.src.rpm	SHA-256: a0db991c92fbe5ebe9b1025d4a1c02537ed1fa69b5c6e292606866289c1c6127
x86_64
gvisor-tap-vsock-0.7.3-5.el9_4.2.x86_64.rpm	SHA-256: 0137738e5b051e955a9564c862091da350eea31e44326f5f00b5bb127205c34a
gvisor-tap-vsock-debuginfo-0.7.3-5.el9_4.2.x86_64.rpm	SHA-256: f0ff7b320188d5e77739d1ecf462d43512f80c1a5718f8108157227afdc3fc9a
gvisor-tap-vsock-debugsource-0.7.3-5.el9_4.2.x86_64.rpm	SHA-256: bfa2aa3e0dad6bd771bfc0302c484e1a77f7f96ea9a6d789110db41d5cdf4178

Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 9.4

SRPM
gvisor-tap-vsock-0.7.3-5.el9_4.2.src.rpm	SHA-256: a0db991c92fbe5ebe9b1025d4a1c02537ed1fa69b5c6e292606866289c1c6127
aarch64
gvisor-tap-vsock-0.7.3-5.el9_4.2.aarch64.rpm	SHA-256: 59a2d8980146d96b037b61828aa16fe0df8339172ddc47b27bd5bba66ac6344f
gvisor-tap-vsock-debuginfo-0.7.3-5.el9_4.2.aarch64.rpm	SHA-256: 26f3372b268967b48be2efb3617bcd22ea20677ad0ee19325ac8a80ce6801ae6
gvisor-tap-vsock-debugsource-0.7.3-5.el9_4.2.aarch64.rpm	SHA-256: e07e561a6d051b0e99aecfd1c0d557939c3906a0ec4f7877197507eea560f846

Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 9.4

SRPM
gvisor-tap-vsock-0.7.3-5.el9_4.2.src.rpm	SHA-256: a0db991c92fbe5ebe9b1025d4a1c02537ed1fa69b5c6e292606866289c1c6127
ppc64le
gvisor-tap-vsock-0.7.3-5.el9_4.2.ppc64le.rpm	SHA-256: 9dae5865cb4ebdf837009fa624aa535366b32af75ad14f532a6e04a094a5750b
gvisor-tap-vsock-debuginfo-0.7.3-5.el9_4.2.ppc64le.rpm	SHA-256: fffa3e27343d39ac63e391367c42276ed1b7ea9f406c0e6ec800dc100a264baa
gvisor-tap-vsock-debugsource-0.7.3-5.el9_4.2.ppc64le.rpm	SHA-256: 233e8f6989722ccfc24b12466c6bcc47c2acae9b0a407100528cf9facc6e2561

Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 9.4

SRPM
gvisor-tap-vsock-0.7.3-5.el9_4.2.src.rpm	SHA-256: a0db991c92fbe5ebe9b1025d4a1c02537ed1fa69b5c6e292606866289c1c6127
s390x
gvisor-tap-vsock-0.7.3-5.el9_4.2.s390x.rpm	SHA-256: 842f4e33b172f44cc2f1166db2a2774343d69b23e6f0a0972092fad5d821095a
gvisor-tap-vsock-debuginfo-0.7.3-5.el9_4.2.s390x.rpm	SHA-256: 293490d0d1b613d84d093df118da7be0bbfc6eb84bf939450f05de9e13a44978
gvisor-tap-vsock-debugsource-0.7.3-5.el9_4.2.s390x.rpm	SHA-256: ee351916d0af35bcca2fd2985304fe4054ea82bf6bcc24325ba6da24459e52d9

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.

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