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CVE-2026-23121

🗓️ 14 Feb 2026 15:09:51Reported by LinuxType 
cve
 cve🔗 web.nvd.nist.gov👁 7 Views

CVE-2026-23121: mISDN annotates data race around dev->work with read and write once protections.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB		CVE-2026-23121
14 Feb 202615:09
–attackerkb
CBLMariner		CVE-2026-23121 affecting package kernel for versions less than 6.6.126.1-1
10 Mar 202622:56
–cbl_mariner
Circl		CVE-2026-23121
19 Mar 202600:00
–circl
CNNVD		Linux kernel 安全漏洞
14 Feb 202600:00
–cnnvd
Cvelist		CVE-2026-23121 mISDN: annotate data-race around dev->work
14 Feb 202615:09
–cvelist
Debian CVE		CVE-2026-23121
14 Feb 202615:09
–debiancve
Oracle linux		Unbreakable Enterprise kernel security update
10 Mar 202600:00
–oraclelinux
EUVD		EUVD-2026-5915
14 Feb 202615:09
–euvd
Mageia		Updated kernel, kmod-virtualbox & kmod-xtables-addons packages fix security vulnerabilities
15 Apr 202616:42
–mageia
Mageia		Updated kernel-linus packages fix security vulnerabilities
15 Apr 202616:42
–mageia
Rows per page
NVD
Vulners
CNA
Node
linuxlinux_kernelRange2.6.27–5.10.249
OR
linuxlinux_kernelRange5.11–5.15.199
OR
linuxlinux_kernelRange5.16–6.1.162
OR
linuxlinux_kernelRange6.2–6.6.122
OR
linuxlinux_kernelRange6.7–6.12.68
OR
linuxlinux_kernelRange6.13–6.18.8
OR
linuxlinux_kernelMatch6.19rc1
OR
linuxlinux_kernelMatch6.19rc2
OR
linuxlinux_kernelMatch6.19rc3
OR
linuxlinux_kernelMatch6.19rc4
OR
linuxlinux_kernelMatch6.19rc5
OR
linuxlinux_kernelMatch6.19rc6
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/isdn/mISDN/timerdev.c"
    ],
    "versions": [
      {
        "version": "1b2b03f8e514e4f68e293846ba511a948b80243c",
        "lessThan": "d5d99cb9e0839093cd53aa3b28176fce2f820ca0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1b2b03f8e514e4f68e293846ba511a948b80243c",
        "lessThan": "13f3b3b87068898056db4c79ee67052fbde11d43",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1b2b03f8e514e4f68e293846ba511a948b80243c",
        "lessThan": "accc3f8266d2a49881dbcf78c459477f4efa0ff3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1b2b03f8e514e4f68e293846ba511a948b80243c",
        "lessThan": "fc8ba17fd3337bd8b1913c30b95df0fee00d8fb7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1b2b03f8e514e4f68e293846ba511a948b80243c",
        "lessThan": "aa6e33cd74ca4965f2bbcb025e0b672fb0168a69",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1b2b03f8e514e4f68e293846ba511a948b80243c",
        "lessThan": "7ac345a93af31358e18e9606eb7b354691bf6757",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1b2b03f8e514e4f68e293846ba511a948b80243c",
        "lessThan": "8175dbf174d487afab81e936a862a8d9b8a1ccb6",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/isdn/mISDN/timerdev.c"
    ],
    "versions": [
      {
        "version": "2.6.27",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.27",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.249",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.199",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.162",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.122",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.68",
        "lessThanOrEqual": "6.12.*",
        "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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11 May 2026 22:00Current
5.2Medium risk
Vulners AI Score5.2
CVSS 3.15.5
EPSS0.00018
linux kernelmisdndata racedev workread oncewrite once
7