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CVE-2026-46054 selinux: fix overlayfs mmap() and mprotect() access checks

🗓️ 27 May 2026 12:57:12Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 41 Views

Fix overlayfs mmap and mprotect access checks in SELinux using security_mmap_backing_file LSM hook.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-46054
27 May 202612:57
attackerkb
Tenable Nessus
AlmaLinux 10 : kernel (ALSA-2026:25191)
11 Jun 202600:00
nessus
Tenable Nessus
AlmaLinux 8 : kernel (ALSA-2026:27811)
24 Jun 202600:00
nessus
Tenable Nessus
AlmaLinux 8 : kernel-rt (ALSA-2026:27812)
24 Jun 202600:00
nessus
Tenable Nessus
Oracle Linux 8 : kernel (ELSA-2026-27811)
24 Jun 202600:00
nessus
Tenable Nessus
RHEL 10 : kernel (RHSA-2026:25191)
11 Jun 202600:00
nessus
Tenable Nessus
RHEL 8 : kernel (RHSA-2026:27811)
22 Jun 202600:00
nessus
Tenable Nessus
RHEL 8 : kernel-rt (RHSA-2026:27812)
22 Jun 202600:00
nessus
Tenable Nessus
RockyLinux 10 : kernel (RLSA-2026:25191)
12 Jun 202600:00
nessus
Tenable Nessus
RockyLinux 8 : kernel (RLSA-2026:27811)
25 Jun 202600:00
nessus
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "security/selinux/hooks.c",
      "security/selinux/include/objsec.h"
    ],
    "versions": [
      {
        "version": "2f502839e85ab265f03f25f30d6463154aee5473",
        "lessThan": "cd0e707a927a70cdfd8bc5a512a9719a87f5ed51",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "2f502839e85ab265f03f25f30d6463154aee5473",
        "lessThan": "82544d36b1729153c8aeb179e84750f0c085d3b1",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "security/selinux/hooks.c",
      "security/selinux/include/objsec.h"
    ],
    "versions": [
      {
        "version": "4.19",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.19",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.4",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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