CVE-2026-93222

🗓️ 24 Sep 2026 15:21:04Reported by LinuxType

Linux kernel send_signal_locked race condition allows one recipient to affect another.

Reporter	Title	Published	Views	Family All 5
Cvelist	CVE-2026-93222 signal: avoid shared siginfo namespace rewrites	24 Sep 202615:21	–	cvelist
Debian CVE	CVE-2026-93222	24 Sep 202615:21	–	debiancve
EUVD	EUVD-2026-86225	24 Sep 202615:21	–	euvd
NVD	CVE-2026-93222	24 Sep 202616:17	–	nvd
OSV	DEBIAN-CVE-2026-93222	24 Sep 202616:17	–	osv

Vulners

CNA

Node

linux linux_kernelRange5.1.20–5.2

linux linux_kernelRange5.2.3–5.3

linux linux_kernelRange5.3–5.10.270

linux linux_kernelRange5.11.0–5.15.221

linux linux_kernelRange5.16.0–6.1.188

linux linux_kernelRange6.2.0–6.6.157

linux linux_kernelRange6.7.0–6.12.109

linux linux_kernelRange6.13.0–6.18.50

linux linux_kernelRange6.19.0–7.2.4

linux linux_kernelRange7.3.0–7.3-rc1

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/signal.c"
    ],
    "versions": [
      {
        "version": "7a0cf094944e2540758b7f957eb6846d5126f535",
        "lessThan": "e015d1ac6b43a23c52c5163299414ae77d7d4ae0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7a0cf094944e2540758b7f957eb6846d5126f535",
        "lessThan": "4ee7c4e4719a825052f42f02ec159b5b42b68fbc",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7a0cf094944e2540758b7f957eb6846d5126f535",
        "lessThan": "148b0dae2a1755beb873a2aab51fb191414f068c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7a0cf094944e2540758b7f957eb6846d5126f535",
        "lessThan": "6b1de022304ef85284c5933a5fb8492f6f54efc9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7a0cf094944e2540758b7f957eb6846d5126f535",
        "lessThan": "03c8761e75d1619906bb503686f9cc1dfc6a67f4",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7a0cf094944e2540758b7f957eb6846d5126f535",
        "lessThan": "a246da20c8e4ae4319511c698b9f26ad0ad1769f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7a0cf094944e2540758b7f957eb6846d5126f535",
        "lessThan": "b655c2040ce836afad5643842543567b31f8c11d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7a0cf094944e2540758b7f957eb6846d5126f535",
        "lessThan": "d19cdc167e696714509e87d3f7ae765b6e164589",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e897dd22800f02bd48aefb1511fff0b2ce96e94c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "2f0e9eed11ca778d0ec5507a739c28472fd4ca20",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5.1.20",
        "lessThan": "5.2",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "5.2.3",
        "lessThan": "5.3",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/signal.c"
    ],
    "versions": [
      {
        "version": "5.3",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.3",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.270",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.221",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.188",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.157",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.109",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.50",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.4",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/a246da20c8e4ae4319511c698b9f26ad0ad1769f
git	www.git.kernel.org/stable/c/4ee7c4e4719a825052f42f02ec159b5b42b68fbc
git	www.git.kernel.org/stable/c/03c8761e75d1619906bb503686f9cc1dfc6a67f4
git	www.git.kernel.org/stable/c/e015d1ac6b43a23c52c5163299414ae77d7d4ae0
git	www.git.kernel.org/stable/c/6b1de022304ef85284c5933a5fb8492f6f54efc9
git	www.git.kernel.org/stable/c/b655c2040ce836afad5643842543567b31f8c11d
git	www.git.kernel.org/stable/c/d19cdc167e696714509e87d3f7ae765b6e164589
git	www.git.kernel.org/stable/c/148b0dae2a1755beb873a2aab51fb191414f068c

24 Sep 2026 16:17Current

5.8Medium risk

Vulners AI Score5.8