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CVE-2026-45995

🗓️ 27 May 2026 12:55:48Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 14 Views

Fixed user_struct use-after-free in io_uring zcrx by dropping the user_struct before destroying the ring.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
CNNVD
Linux kernel 安全漏洞
27 May 202600:00
cnnvd
Cvelist
CVE-2026-45995 io_uring/zcrx: fix user_struct uaf
27 May 202612:55
cvelist
Debian CVE
CVE-2026-45995
27 May 202612:55
debiancve
EUVD
EUVD-2026-32291
27 May 202615:33
euvd
NVD
CVE-2026-45995
27 May 202614:17
nvd
OPENSUSE Linux
kernel-devel-7.0.11-1.1 on GA media (moderate)
8 Jun 202600:00
opensuse
OSV
BELL-CVE-2026-45995 CVE-2026-45995 does not affect BellSoft software
29 May 202606:10
osv
OSV
DEBIAN-CVE-2026-45995
27 May 202614:17
osv
OSV
OPENSUSE-SU-2026:10954-1 kernel-devel-7.0.11-1.1 on GA media
4 Jun 202600:00
osv
OSV
UBUNTU-CVE-2026-45995
27 May 202614:17
osv
Rows per page
NVD
Vulners
CNA
Node
linuxlinux_kernelRange6.197.0.4
[
  {
    "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": "5c686456a4e83ef06c74d40be05c21a0ef136684",
        "lessThan": "9feb88eeda6d288f93fcfb6bca563f89e316479d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5c686456a4e83ef06c74d40be05c21a0ef136684",
        "lessThan": "0fcccfd87152f957fa8312b841f6efef42a05a20",
        "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": "6.19",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.19",
        "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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17 Jun 2026 10:52Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17.8
EPSS0.0012
14