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CVE-2026-23263

🗓️ 18 Mar 2026 17:41:09Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 3 Views

Resolved page array leak in io_uring zcrx by freeing the page array after sg init fail.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-23263
18 Mar 202617:41
attackerkb
Tenable Nessus
Amazon Linux 2023 : bpftool6.18, kernel6.18, kernel6.18-devel (ALAS2023-2026-1514)
30 Mar 202600:00
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-23263
20 Mar 202600:00
nessus
Amazon
Important: kernel6.18
27 Mar 202600:00
amazon
AstraLinux
Astra Linux - уязвимость в linux-5.10
20 May 202605:53
astralinux
CNNVD
Linux kernel 安全漏洞
18 Mar 202600:00
cnnvd
Cvelist
CVE-2026-23263 io_uring/zcrx: fix page array leak
18 Mar 202617:41
cvelist
Debian CVE
CVE-2026-23263
18 Mar 202617:41
debiancve
EUVD
EUVD-2026-12900
18 Mar 202618:31
euvd
NVD
CVE-2026-23263
18 Mar 202618:16
nvd
Rows per page
NVD
Vulners
CNA
Node
linuxlinux_kernelRange6.176.18.10
OR
linuxlinux_kernelMatch6.19rc1
OR
linuxlinux_kernelMatch6.19rc2
OR
linuxlinux_kernelMatch6.19rc3
OR
linuxlinux_kernelMatch6.19rc4
OR
linuxlinux_kernelMatch6.19rc5
OR
linuxlinux_kernelMatch6.19rc6
OR
linuxlinux_kernelMatch6.19rc7
OR
linuxlinux_kernelMatch6.19rc8
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "io_uring/zcrx.c"
    ],
    "versions": [
      {
        "version": "b84621d96ee0221e0bfbf9f477bbec7a5077c464",
        "lessThan": "64cf3016234ce8a6e4195ed1b2d9e2a1ae41b57d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b84621d96ee0221e0bfbf9f477bbec7a5077c464",
        "lessThan": "0ae91d8ab70922fb74c22c20bedcb69459579b1c",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "io_uring/zcrx.c"
    ],
    "versions": [
      {
        "version": "6.17",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.17",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.10",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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22 May 2026 20:58Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.15.5
EPSS0.00019
3