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CVE-2026-80976 seg6: reset IP6CB after IPv6 decapsulation

🗓️ 11 Sep 2026 19:42:38Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 39 Views

Linux kernel seg6 stale IP6CB after decapsulation causes slab-out-of-bounds read.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cbl_mariner
CBLMariner
CVE-2026-80976 affecting package kernel for versions less than 6.6.157.1-1
1 Oct 202604:01
–cbl_mariner
circl
Circl
CVE-2026-80976
13 Sep 202612:50
–circl
cve
CVE
CVE-2026-80976
11 Sep 202619:42
–cve
debian
Debian
[SECURITY] [DSA 6528-1] linux security update
29 Sep 202609:49
–debian
debiancve
Debian CVE
CVE-2026-80976
11 Sep 202619:42
–debiancve
nessus
Tenable Nessus
Debian dsa-6528 : ata-modules-6.12.111+deb13-armmp-di - security update
29 Sep 202600:00
–nessus
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-80976
12 Sep 202600:00
–nessus
euvd
EUVD
EUVD-2026-76299
11 Sep 202619:42
–euvd
nvd
NVD
CVE-2026-80976
11 Sep 202620:19
–nvd
opensuse
OPENSUSE Linux
kernel-devel-7.2.6-1.1 on GA media (moderate)
20 Sep 202600:00
–opensuse
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/ipv6/seg6_local.c"
    ],
    "versions": [
      {
        "version": "d7a669dd2f8ba07a17423f4ad586dfc0379882f7",
        "lessThan": "d1f0d353358987ca87f21d8956e2d2854951130d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d7a669dd2f8ba07a17423f4ad586dfc0379882f7",
        "lessThan": "a0e2b0a3718f0cf9fb0ee41710b4a6348a7315c8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d7a669dd2f8ba07a17423f4ad586dfc0379882f7",
        "lessThan": "9ae92198c24d7dacd4070e2f34f6e1ed3a63061c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d7a669dd2f8ba07a17423f4ad586dfc0379882f7",
        "lessThan": "96c74420ac92930a7e0f21770818544eee4a93d7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d7a669dd2f8ba07a17423f4ad586dfc0379882f7",
        "lessThan": "2b154e96fcb3f01fd42765c64e0a56820fbc16eb",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d7a669dd2f8ba07a17423f4ad586dfc0379882f7",
        "lessThan": "cfa186a0857a0f831dfca67b16bbc40ecfdf3280",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d7a669dd2f8ba07a17423f4ad586dfc0379882f7",
        "lessThan": "c73fb911e02b9a766c950bc9707f3e3a96ffd702",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d7a669dd2f8ba07a17423f4ad586dfc0379882f7",
        "lessThan": "f967455fb2a5a2079b9eb5823e9ccf359174bf9f",
        "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/ipv6/seg6_local.c"
    ],
    "versions": [
      {
        "version": "4.14",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.14",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.270",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.221",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.188",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.157",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.109",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.50",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.4",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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14 Sep 2026 11:59Current
CVSS 3.19.8
EPSS0.00755
39