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CVE-2026-74550 net: do not send ICMP/NDISC Redirects when peer allocation fails

🗓️ 15 Aug 2026 12:27:57Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 5 Views

Linux kernel sends un-rate-limited ICMP/NDISC Redirects when peer allocation fails under memory pressure.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-74550
15 Aug 202612:27
attackerkb
cve
CVE
CVE-2026-74550
15 Aug 202600:00
cve
debiancve
Debian CVE
CVE-2026-74550
15 Aug 202600:00
debiancve
euvd
EUVD
EUVD-2026-59615
15 Aug 202612:27
euvd
nvd
NVD
CVE-2026-74550
15 Aug 202613:18
nvd
osv
OSV
DEBIAN-CVE-2026-74550
15 Aug 202613:18
osv
ptsecurity
Positive Technologies
PT-2026-73002
15 Aug 202600:00
ptsecurity
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/ipv4/route.c",
      "net/ipv6/ip6_output.c",
      "net/ipv6/ndisc.c"
    ],
    "versions": [
      {
        "version": "92d8682926342d2b6aa5b2ecc02221e00e1573a0",
        "lessThan": "f5ecaa7ea7686fa7ecdb6affc9d3a9a42e4524b1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "92d8682926342d2b6aa5b2ecc02221e00e1573a0",
        "lessThan": "21666f7af49a90ef44d474916b8ef4402dfd74f5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "92d8682926342d2b6aa5b2ecc02221e00e1573a0",
        "lessThan": "5ec5f00fc606a6df8434948c4552b3cb1176595d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "92d8682926342d2b6aa5b2ecc02221e00e1573a0",
        "lessThan": "828f6670d110ff2bf44c743037b38badc315704c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "92d8682926342d2b6aa5b2ecc02221e00e1573a0",
        "lessThan": "dbc3791e3b2472e1ccc08947e0f83b443470ff4f",
        "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/ipv4/route.c",
      "net/ipv6/ip6_output.c",
      "net/ipv6/ndisc.c"
    ],
    "versions": [
      {
        "version": "2.6.39",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.39",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.151",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.103",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.44",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.8",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2-rc6",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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