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CVE-2026-43089 xfrm_user: fix info leak in build_mapping()

🗓️ 06 May 2026 07:40:22Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 22 Views

Linux kernel fixes info leak in xfrm_user build_mapping by zeroing xfrm_usersa_id.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-43089
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
Amazon Linux 2023 : bpftool6.12, kernel6.12, kernel6.12-devel (ALAS2023-2026-1695)
9 May 202600:00
nessus
Tenable Nessus
Photon OS 4.0: Linux PHSA-2026-4.0-1028
5 Jun 202600:00
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-43089
6 May 202600:00
nessus
CNNVD
Linux kernel 安全漏洞
6 May 202600:00
cnnvd
CVE
CVE-2026-43089
6 May 202607:40
cve
Debian CVE
CVE-2026-43089
6 May 202607:40
debiancve
EUVD
EUVD-2026-27589
6 May 202612:30
euvd
NVD
CVE-2026-43089
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/xfrm/xfrm_user.c"
    ],
    "versions": [
      {
        "version": "3a2dfbe8acb154905fdc2fd03ec56df42e6c4cc4",
        "lessThan": "521385cbd50ca9474396d88462fcdfa6489685d9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3a2dfbe8acb154905fdc2fd03ec56df42e6c4cc4",
        "lessThan": "c2779ae9a3e5a044e5ccd564681511bbbcc5fc0f",
        "status": "affected",
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      },
      {
        "version": "3a2dfbe8acb154905fdc2fd03ec56df42e6c4cc4",
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      },
      {
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        "status": "affected",
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      },
      {
        "version": "3a2dfbe8acb154905fdc2fd03ec56df42e6c4cc4",
        "lessThan": "5a1a4b049ddde41466ccac0daeec326254b133f2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3a2dfbe8acb154905fdc2fd03ec56df42e6c4cc4",
        "lessThan": "f779a6b6cdb6e12baa0663063ac59ab2a8f20c0c",
        "status": "affected",
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      },
      {
        "version": "3a2dfbe8acb154905fdc2fd03ec56df42e6c4cc4",
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        "status": "affected",
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      },
      {
        "version": "3a2dfbe8acb154905fdc2fd03ec56df42e6c4cc4",
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        "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/xfrm/xfrm_user.c"
    ],
    "versions": [
      {
        "version": "2.6.29",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.29",
        "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": "6.6.136",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.83",
        "lessThanOrEqual": "6.12.*",
        "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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