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CVE-2026-23077 mm/vma: fix anon_vma UAF on mremap() faulted, unfaulted merge

🗓️ 04 Feb 2026 16:08:02Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 26 Views

Fix anonymous memory area use-after-free on mremap faulted and unfaulted merges.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-23077
4 Feb 202616:08
attackerkb
AstraLinux
Astra Linux – Vulnerability in Linux 5.10
3 May 202623:59
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Circl
CVE-2026-23077
4 Feb 202616:58
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CNNVD
Linux kernel 安全漏洞
4 Feb 202600:00
cnnvd
CVE
CVE-2026-23077
4 Feb 202616:08
cve
Debian CVE
CVE-2026-23077
4 Feb 202616:08
debiancve
EUVD
EUVD-2026-5466
4 Feb 202616:08
euvd
NVD
CVE-2026-23077
4 Feb 202617:16
nvd
OSV
BELL-CVE-2026-23077
10 Feb 202606:09
osv
OSV
CVE-2026-23077 mm/vma: fix anon_vma UAF on mremap() faulted, unfaulted merge
4 Feb 202616:08
osv
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "mm/vma.c",
      "mm/vma.h"
    ],
    "versions": [
      {
        "version": "879bca0a2c4f40b08d09a95a2a0c3c6513060b5c",
        "lessThan": "a4d9dbfc1bab16e25fefd34b5e537a46bed8fc96",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "879bca0a2c4f40b08d09a95a2a0c3c6513060b5c",
        "lessThan": "61f67c230a5e7c741c352349ea80147fbe65bfae",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "mm/vma.c",
      "mm/vma.h"
    ],
    "versions": [
      {
        "version": "6.16",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.16",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.8",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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