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CVE-2026-43501 ipv6: rpl: reserve mac_len headroom when recompressed SRH grows

🗓️ 21 May 2026 12:17:49Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 39 Views

Fix a kernel vulnerability by reserving headroom when IPv6 Source Routing Header grows during recompression.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-43501
21 May 202612:17
attackerkb
Tenable Nessus
AlmaLinux 10 : kernel (ALSA-2026:25191)
11 Jun 202600:00
nessus
Tenable Nessus
AlmaLinux 9 : kernel (ALSA-2026:25217)
11 Jun 202600:00
nessus
Tenable Nessus
Photon OS 4.0: Linux PHSA-2026-4.0-1028
5 Jun 202600:00
nessus
Tenable Nessus
RHEL 10 : kernel (RHSA-2026:25191)
11 Jun 202600:00
nessus
Tenable Nessus
RHEL 9 : kernel (RHSA-2026:25217)
11 Jun 202600:00
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-43501
22 May 202600:00
nessus
AlmaLinux
Important: kernel security update
11 Jun 202600:00
almalinux
Circl
CVE-2026-43501
21 May 202615:56
circl
CNNVD
Linux kernel 安全漏洞
21 May 202600:00
cnnvd
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/exthdrs.c"
    ],
    "versions": [
      {
        "version": "8610c7c6e3bd647ff98d21c8bc0580e77bc2f8b3",
        "lessThan": "bde199c72d319a4e207f88daabc888317504e2fb",
        "status": "affected",
        "versionType": "git"
      },
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        "status": "affected",
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      },
      {
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      },
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      },
      {
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        "status": "affected",
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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/exthdrs.c"
    ],
    "versions": [
      {
        "version": "5.7",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.7",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.258",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.209",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.175",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.140",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.86",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.27",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.4",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1-rc2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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