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CVE-2026-43303 mm/page_alloc: clear page->private in free_pages_prepare()

🗓️ 08 May 2026 13:11:23Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 29 Views

Fixed use-after-free in swap code by clearing page->private in free_pages_prepare when freeing pages.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
Tenable Nessus
Amazon Linux 2023 : bpftool6.18, kernel6.18, kernel6.18-devel (ALAS2023-2026-1702)
20 May 202600:00
nessus
Tenable Nessus
RHEL 9 : kernel (RHSA-2026:21556)
28 May 202600:00
nessus
Tenable Nessus
RHEL 10 : kernel (RHSA-2026:21557)
28 May 202600:00
nessus
Tenable Nessus
RockyLinux 9 : kernel (RLSA-2026:21556)
30 May 202600:00
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-43303
8 May 202600:00
nessus
AstraLinux
Astra Linux - уязвимость в linux-5.10
20 May 202605:53
astralinux
Circl
CVE-2026-43303
8 May 202614:13
circl
CNNVD
Linux kernel 安全漏洞
8 May 202600:00
cnnvd
CVE
CVE-2026-43303
8 May 202613:11
cve
Debian CVE
CVE-2026-43303
8 May 202613:11
debiancve
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "mm/page_alloc.c"
    ],
    "versions": [
      {
        "version": "3b8000ae185cb068adbda5f966a3835053c85fd4",
        "lessThan": "23b82b7a26182ad840ae67d390d7ec9771e8c00f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3b8000ae185cb068adbda5f966a3835053c85fd4",
        "lessThan": "d757c793853ec5483eb41ec2942c300b8fa720fb",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3b8000ae185cb068adbda5f966a3835053c85fd4",
        "lessThan": "ac1ea219590c09572ed5992dc233bbf7bb70fef9",
        "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/page_alloc.c"
    ],
    "versions": [
      {
        "version": "5.18",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.18",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.16",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.6",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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