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CVE-2026-23275 io_uring: ensure ctx->rings is stable for task work flags manipulation

🗓️ 20 Mar 2026 08:08:55Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 29 Views

CVE-2026-23275: io_uring uses rings pointer protected by RCU to stabilize work flags during resizing.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-23275
20 Mar 202608:08
attackerkb
nessus
Tenable Nessus
Amazon Linux 2023 : bpftool6.18, kernel6.18, kernel6.18-devel (ALAS2023-2026-1596)
30 Apr 202600:00
nessus
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-23275
20 Mar 202600:00
nessus
amazon
Amazon
Important: kernel6.18
30 Apr 202600:00
amazon
astralinux
AstraLinux
Astra Linux – Vulnerability in Linux 5.10
20 May 202605:53
astralinux
circl
Circl
CVE-2026-23275
20 Mar 202609:54
circl
cnnvd
CNNVD
Linux kernel 安全漏洞
20 Mar 202600:00
cnnvd
cve
CVE
CVE-2026-23275
20 Mar 202608:08
cve
debiancve
Debian CVE
CVE-2026-23275
20 Mar 202608:08
debiancve
euvd
EUVD
EUVD-2026-13611
20 Mar 202609:32
euvd
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "include/linux/io_uring_types.h",
      "io_uring/io_uring.c",
      "io_uring/register.c",
      "io_uring/tw.c"
    ],
    "versions": [
      {
        "version": "79cfe9e59c2a12c3b3faeeefe38d23f3d8030972",
        "lessThan": "7cc4530b3e952d4a5947e1e55d06620d8845d4f5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "79cfe9e59c2a12c3b3faeeefe38d23f3d8030972",
        "lessThan": "46dc07d5f31411cc023f3bf1f4a23a07bf6e0ed1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "79cfe9e59c2a12c3b3faeeefe38d23f3d8030972",
        "lessThan": "96189080265e6bb5dde3a4afbaf947af493e3f82",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "include/linux/io_uring_types.h",
      "io_uring/io_uring.c",
      "io_uring/register.c",
      "io_uring/tw.c"
    ],
    "versions": [
      {
        "version": "6.13",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.13",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.19",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.9",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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05 Aug 2026 12:21Current
CVSS 3.17.8
EPSS0.00121
29