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RHEL 10 : gvisor-tap-vsock (RHSA-2025:7484)

🗓️ 05 Jun 2025 00:00:00Reported by TenableType 
nessus
 nessus🔗 www.tenable.com👁 3 Views

RHEL 10 is vulnerable due to gvisor-tap-vsock affecting SSH Denial of Service (CVE-2025-22869).

Related
Refs
Code
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: Multiple security vulnerabilities in Go affects IBM Robotic Process Automation for Cloud Pak
6 Aug 202513:40
–ibm
IBM Security Bulletins		Security Bulletin: Security vulnerabilities have been addressed in IBM Verify Identity Access OIDC Provider (CVE-2024-45337, CVE-2025-22869)
9 Jul 202504:16
–ibm
IBM Security Bulletins		Security Bulletin: Multiple vulnerabilities affect IBM Data Virtualization on Cloud Pak for Data (March 2025)
27 Mar 202516:18
–ibm
IBM Security Bulletins		Security Bulletin: IBM Maximo Application Suite - Visual Inspection component uses golang.org/x/crypto which is vulnerable to CVE-2024-45337 and CVE-2025-22869
8 Oct 202508:00
–ibm
IBM Security Bulletins		Security Bulletin: Multiple vulnerabilities which can affect IBM Storage Scale cloudkit and CES S3 are now addressed. (CVE-2025-22868, CVE-2025-22869)
9 May 202520:44
–ibm
IBM Security Bulletins		Security Bulletin: IBM Watson Speech Services Cartridge is vulnerable to a denial of service in golang.org/x/crypto/ssh [CVE-2025-22869]
13 Jun 202516:12
–ibm
IBM Security Bulletins		Security Bulletin: IBM Security QRadar EDR Software contains multiple vulnerabilities
20 May 202521:07
–ibm
IBM Security Bulletins		Security Bulletin: IBM Cloud Pak for Data is vulnerable to DoS due to unbounded memory allocation in golang.org/x/crypto SSH implementation (CVE-2025-22869)
30 Jan 202614:11
–ibm
IBM Security Bulletins		Security Bulletin: Vulnerabilities in SSH affects IBM watsonx Orchestrate with watsonx Assistant Cartridge
7 Aug 202500:15
–ibm
IBM Security Bulletins		Security Bulletin: IBM Event Streams is vulnerable to a denial of service
4 Mar 202605:45
–ibm
Rows per page
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##
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Red Hat Security Advisory RHSA-2025:7484. The text
# itself is copyright (C) Red Hat, Inc.
##

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if (description)
{
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"The remote Redhat Enterprise Linux 10 host has packages installed that are affected by a vulnerability as referenced in
the RHSA-2025:7484 advisory.

    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):

    * golang.org/x/crypto/ssh: Denial of Service in the Key Exchange of golang.org/x/crypto/ssh
    (CVE-2025-22869)

    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.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
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  script_set_attribute(attribute:"solution", value:
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  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2025-22869");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
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  script_cwe_id(770);
  script_set_attribute(attribute:"vendor_severity", value:"Important");

  script_set_attribute(attribute:"vuln_publication_date", value:"2025/02/26");
  script_set_attribute(attribute:"patch_publication_date", value:"2025/05/13");
  script_set_attribute(attribute:"plugin_publication_date", value:"2025/06/05");

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  script_set_attribute(attribute:"generated_plugin", value:"current");
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  script_category(ACT_GATHER_INFO);
  script_family(english:"Red Hat Local Security Checks");

  script_copyright(english:"This script is Copyright (C) 2025 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info.nasl", "redhat_repos.nasl");
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  exit(0);
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      'content/dist/rhel10/10/aarch64/supplementary/os',
      'content/dist/rhel10/10/aarch64/supplementary/source/SRPMS',
      'content/dist/rhel10/10/ppc64le/appstream/debug',
      'content/dist/rhel10/10/ppc64le/appstream/os',
      'content/dist/rhel10/10/ppc64le/appstream/source/SRPMS',
      'content/dist/rhel10/10/ppc64le/baseos/debug',
      'content/dist/rhel10/10/ppc64le/baseos/os',
      'content/dist/rhel10/10/ppc64le/baseos/source/SRPMS',
      'content/dist/rhel10/10/ppc64le/codeready-builder/debug',
      'content/dist/rhel10/10/ppc64le/codeready-builder/os',
      'content/dist/rhel10/10/ppc64le/codeready-builder/source/SRPMS',
      'content/dist/rhel10/10/ppc64le/extensions/debug',
      'content/dist/rhel10/10/ppc64le/extensions/os',
      'content/dist/rhel10/10/ppc64le/extensions/source/SRPMS',
      'content/dist/rhel10/10/ppc64le/highavailability/debug',
      'content/dist/rhel10/10/ppc64le/highavailability/os',
      'content/dist/rhel10/10/ppc64le/highavailability/source/SRPMS',
      'content/dist/rhel10/10/ppc64le/sap-solutions/debug',
      'content/dist/rhel10/10/ppc64le/sap-solutions/os',
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      'content/dist/rhel10/10/ppc64le/sap/os',
      'content/dist/rhel10/10/ppc64le/sap/source/SRPMS',
      'content/dist/rhel10/10/ppc64le/supplementary/debug',
      'content/dist/rhel10/10/ppc64le/supplementary/os',
      'content/dist/rhel10/10/ppc64le/supplementary/source/SRPMS',
      'content/dist/rhel10/10/s390x/appstream/debug',
      'content/dist/rhel10/10/s390x/appstream/os',
      'content/dist/rhel10/10/s390x/appstream/source/SRPMS',
      'content/dist/rhel10/10/s390x/baseos/debug',
      'content/dist/rhel10/10/s390x/baseos/os',
      'content/dist/rhel10/10/s390x/baseos/source/SRPMS',
      'content/dist/rhel10/10/s390x/codeready-builder/debug',
      'content/dist/rhel10/10/s390x/codeready-builder/os',
      'content/dist/rhel10/10/s390x/codeready-builder/source/SRPMS',
      'content/dist/rhel10/10/s390x/extensions/debug',
      'content/dist/rhel10/10/s390x/extensions/os',
      'content/dist/rhel10/10/s390x/extensions/source/SRPMS',
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      'content/dist/rhel10/10/s390x/highavailability/os',
      'content/dist/rhel10/10/s390x/highavailability/source/SRPMS',
      'content/dist/rhel10/10/s390x/sap/debug',
      'content/dist/rhel10/10/s390x/sap/os',
      'content/dist/rhel10/10/s390x/sap/source/SRPMS',
      'content/dist/rhel10/10/s390x/supplementary/debug',
      'content/dist/rhel10/10/s390x/supplementary/os',
      'content/dist/rhel10/10/s390x/supplementary/source/SRPMS',
      'content/dist/rhel10/10/x86_64/appstream/debug',
      'content/dist/rhel10/10/x86_64/appstream/os',
      'content/dist/rhel10/10/x86_64/appstream/source/SRPMS',
      'content/dist/rhel10/10/x86_64/baseos/debug',
      'content/dist/rhel10/10/x86_64/baseos/os',
      'content/dist/rhel10/10/x86_64/baseos/source/SRPMS',
      'content/dist/rhel10/10/x86_64/codeready-builder/debug',
      'content/dist/rhel10/10/x86_64/codeready-builder/os',
      'content/dist/rhel10/10/x86_64/codeready-builder/source/SRPMS',
      'content/dist/rhel10/10/x86_64/extensions/debug',
      'content/dist/rhel10/10/x86_64/extensions/os',
      'content/dist/rhel10/10/x86_64/extensions/source/SRPMS',
      'content/dist/rhel10/10/x86_64/highavailability/debug',
      'content/dist/rhel10/10/x86_64/highavailability/os',
      'content/dist/rhel10/10/x86_64/highavailability/source/SRPMS',
      'content/dist/rhel10/10/x86_64/nfv/debug',
      'content/dist/rhel10/10/x86_64/nfv/os',
      'content/dist/rhel10/10/x86_64/nfv/source/SRPMS',
      'content/dist/rhel10/10/x86_64/rt/debug',
      'content/dist/rhel10/10/x86_64/rt/os',
      'content/dist/rhel10/10/x86_64/rt/source/SRPMS',
      'content/dist/rhel10/10/x86_64/sap-solutions/debug',
      'content/dist/rhel10/10/x86_64/sap-solutions/os',
      'content/dist/rhel10/10/x86_64/sap-solutions/source/SRPMS',
      'content/dist/rhel10/10/x86_64/sap/debug',
      'content/dist/rhel10/10/x86_64/sap/os',
      'content/dist/rhel10/10/x86_64/sap/source/SRPMS',
      'content/dist/rhel10/10/x86_64/supplementary/debug',
      'content/dist/rhel10/10/x86_64/supplementary/os',
      'content/dist/rhel10/10/x86_64/supplementary/source/SRPMS'
    ],
    'pkgs': [
      {'reference':'gvisor-tap-vsock-0.8.5-1.el10_0', 'rpm_spec_vers_cmp':TRUE, 'epoch':'6'},
      {'reference':'gvisor-tap-vsock-gvforwarder-0.8.5-1.el10_0', 'rpm_spec_vers_cmp':TRUE, 'epoch':'6'}
    ]
  }
];

var applicable_repo_urls = rhel_determine_applicable_repository_urls(constraints:constraints);
if(applicable_repo_urls == RHEL_REPOS_NO_OVERLAP_MESSAGE) exit(0, RHEL_REPO_NOT_ENABLED);

var flag = 0;
var repo_relative_urls;

foreach var constraint ( constraints ) {
  # Check that the target release is equal to the affected release
  if (!empty_or_null(constraint['release'])){
    if (constraint['release'] != os_release) continue;
  }

  if (!empty_or_null(constraint['repo_relative_urls'])) repo_relative_urls = constraint['repo_relative_urls'];

  foreach var pkg ( constraint['pkgs'] ) {
    var reference = NULL;
    var sp = NULL;
    var _cpu = NULL;
    var el_string = NULL;
    var rpm_spec_vers_cmp = NULL;
    var epoch = NULL;
    var allowmaj = NULL;
    var exists_check = NULL;
    var cves = NULL;
    if (!empty_or_null(pkg['reference'])) reference = pkg['reference'];
    if (!empty_or_null(pkg['sp'])) sp = pkg['sp'];
    if (!empty_or_null(pkg['cpu'])) _cpu = pkg['cpu'];
    if (!empty_or_null(pkg['el_string'])) el_string = pkg['el_string'];
    if (!empty_or_null(pkg['rpm_spec_vers_cmp'])) rpm_spec_vers_cmp = pkg['rpm_spec_vers_cmp'];
    if (!empty_or_null(pkg['epoch'])) epoch = pkg['epoch'];
    if (!empty_or_null(pkg['allowmaj'])) allowmaj = pkg['allowmaj'];
    if (!empty_or_null(pkg['exists_check'])) exists_check = pkg['exists_check'];
    if (!empty_or_null(pkg['cves'])) cves = pkg['cves'];
    if (reference &&
        rhel_decide_repo_relative_url_check(required_repo_url_list:repo_relative_urls) &&
        (applicable_repo_urls || (!exists_check || rpm_exists(rpm:exists_check))) &&
        rpm_check(sp:sp, cpu:_cpu, reference:reference, epoch:epoch, el_string:el_string, rpm_spec_vers_cmp:rpm_spec_vers_cmp, allowmaj:allowmaj, cves:cves)) flag++;
  }
}

if (flag)
{
  var extra = NULL;
  if (isnull(applicable_repo_urls) || !applicable_repo_urls) extra = rpm_report_get() + redhat_report_repo_caveat();
  else extra = rpm_report_get();
  security_report_v4(
      port       : 0,
      severity   : SECURITY_HOLE,
      extra      : extra
  );
  exit(0);
}
else
{
  var tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'gvisor-tap-vsock / gvisor-tap-vsock-gvforwarder');
}

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05 Jun 2025 00:00Current
7.1High risk
Vulners AI Score7.1
CVSS 3.17.5
EPSS0.00868
SSVC
rhel 10 vulnerability gvisor-tap-vsock ssh denial of service cve-2025-22869
3