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CVE-2026-31692 rtnetlink: add missing netlink_ns_capable() check for peer netns

🗓️ 30 Apr 2026 10:34:51Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 25 Views

Adds netlink_ns_capable check for peer namespace in rtnetlink to block unprivileged users creating interfaces in other namespaces.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-31692
30 Apr 202610:34
attackerkb
Tenable Nessus
Amazon Linux 2023 : bpftool6.18, kernel6.18, kernel6.18-devel (ALAS2023-2026-1693)
9 May 202600:00
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-31692
30 Apr 202600:00
nessus
Chainguard
CVE-2026-31692 vulnerabilities
8 May 202607:18
cgr
Circl
CVE-2026-31692
30 Apr 202612:53
circl
CNNVD
Linux kernel 安全漏洞
30 Apr 202600:00
cnnvd
CVE
CVE-2026-31692
30 Apr 202610:34
cve
Debian CVE
CVE-2026-31692
30 Apr 202610:34
debiancve
EUVD
EUVD-2026-26363
30 Apr 202610:34
euvd
NVD
CVE-2026-31692
30 Apr 202611:16
nvd
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/core/rtnetlink.c"
    ],
    "versions": [
      {
        "version": "81adee47dfb608df3ad0b91d230fb3cef75f0060",
        "lessThan": "0975b64ffb34560042090a5986c3a02e6c80f36f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "81adee47dfb608df3ad0b91d230fb3cef75f0060",
        "lessThan": "d04cc16d3624218a5458b2b664ae431f1b3b334d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "81adee47dfb608df3ad0b91d230fb3cef75f0060",
        "lessThan": "7b735ef81286007794a227ce2539419479c02a5f",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/core/rtnetlink.c"
    ],
    "versions": [
      {
        "version": "2.6.33",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.33",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.24",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.14",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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