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CVE-2026-64554 netfilter: bridge: fix stale prevhdr pointer in br_ip6_fragment()

🗓️ 27 Jul 2026 20:10:41Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 52 Views

Fix stale prevhdr pointer in br_ip6_fragment to prevent use-after-free in IPv6 fragment handling.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
astralinux
AstraLinux
Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1
5 Oct 202611:39
–astralinux
cbl_mariner
CBLMariner
CVE-2026-64554 affecting package kernel for versions less than 6.6.145.2-1
12 Aug 202623:21
–cbl_mariner
circl
Circl
CVE-2026-64554
6 Aug 202605:16
–circl
cve
CVE
CVE-2026-64554
27 Jul 202620:10
–cve
debian
Debian
[SECURITY] [DLA 4717-1] linux security update
5 Aug 202608:03
–debian
debian
Debian
[SECURITY] [DLA 4720-1] linux security update
5 Aug 202616:10
–debian
debian
Debian
[SECURITY] [DLA 4723-1] linux-6.1 security update
7 Aug 202608:04
–debian
debian
Debian
[SECURITY] [DLA 4724-1] linux-6.12 new package
7 Aug 202609:29
–debian
debian
Debian
[SECURITY] [DSA 6405-1] linux security update
31 Jul 202614:14
–debian
debiancve
Debian CVE
CVE-2026-64554
27 Jul 202620:10
–debiancve
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/netfilter.c"
    ],
    "versions": [
      {
        "version": "764dd163ac922f8683b5bcd3007251ce7b26cd33",
        "lessThan": "8c10778ec674b67a07ea042fcba64270f3f38a5a",
        "status": "affected",
        "versionType": "git"
      },
      {
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      },
      {
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      },
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      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/ipv6/netfilter.c"
    ],
    "versions": [
      {
        "version": "5.3",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.3",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.261",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.212",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.178",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.145",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.97",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.40",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.5",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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17 Aug 2026 04:57Current
CVSS 3.18.8
EPSS0.00255
SSVC
52