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CVE-2026-43100 bridge: guard local VLAN-0 FDB helpers against NULL vlan group

🗓️ 06 May 2026 07:40:30Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 25 Views

CVE-2026-43100: bridge guards NULL vlan group in local VLAN-0 FDB helpers via NULL checks.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-43100
6 May 202607:40
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-2026-43100
6 May 202600:00
nessus
AstraLinux
Astra Linux - уязвимость в linux-5.10
20 May 202605:53
astralinux
Chainguard
CVE-2026-43100 vulnerabilities
16 May 202601:18
cgr
CNNVD
Linux kernel 安全漏洞
6 May 202600:00
cnnvd
CVE
CVE-2026-43100
6 May 202607:40
cve
Debian CVE
CVE-2026-43100
6 May 202607:40
debiancve
EUVD
EUVD-2026-27610
6 May 202612:30
euvd
NVD
CVE-2026-43100
6 May 202610:16
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/bridge/br_fdb.c"
    ],
    "versions": [
      {
        "version": "21446c06b441b9c993870efae71aef4e9aa72ec7",
        "lessThan": "fb612d436ff0317659e45a91c25fd7d9516f5b1b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "21446c06b441b9c993870efae71aef4e9aa72ec7",
        "lessThan": "ddf0ec2d600e7dad62b89692749534d7900a732a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "21446c06b441b9c993870efae71aef4e9aa72ec7",
        "lessThan": "1979645e1842cb7017525a61a0e0e0beb924d02a",
        "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/bridge/br_fdb.c"
    ],
    "versions": [
      {
        "version": "6.18",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.18",
        "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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