CVE-2026-74601

🗓️ 22 Aug 2026 15:31:50Reported by LinuxType

Race in Linux kernel ring-buffer swap bypasses committing check, causing inconsistent buffer state.

Reporter	Title	Published	Views	Family All 18
Cvelist	CVE-2026-74601 ring-buffer: Use current_context for safe per-CPU buffer swap	22 Aug 202615:31	–	cvelist
Debian	[SECURITY] [DSA 6466-1] linux security update	25 Aug 202620:09	–	debian
Debian CVE	CVE-2026-74601	22 Aug 202615:31	–	debiancve
Tenable Nessus	Debian dsa-6466 : ata-modules-6.12.101+deb13-armmp-di - security update	25 Aug 202600:00	–	nessus
Tenable Nessus	Oracle Linux 8 / 9 : Unbreakable Enterprise kernel (ELSA-2026-500249)	4 Sep 202600:00	–	nessus
Tenable Nessus	Linux Distros Unpatched Vulnerability : CVE-2026-74601	22 Aug 202600:00	–	nessus
Oracle linux	Unbreakable Enterprise kernel security update	4 Sep 202600:00	–	oraclelinux
EUVD	EUVD-2026-64538	22 Aug 202615:31	–	euvd
Microsoft CVE	ring-buffer: Use current_context for safe per-CPU buffer swap	24 Aug 202608:05	–	mscve
NVD	CVE-2026-74601	22 Aug 202616:16	–	nvd

Vulners

CNA

Node

linux linux_kernelRange4.5–5.10.266

linux linux_kernelRange5.11.0–5.15.217

linux linux_kernelRange5.16.0–6.1.184

linux linux_kernelRange6.2.0–6.6.153

linux linux_kernelRange6.7.0–6.12.105

linux linux_kernelRange6.13.0–6.18.45

linux linux_kernelRange6.19.0–7.1.9

linux linux_kernelRange7.2.0≥

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/trace/ring_buffer.c"
    ],
    "versions": [
      {
        "version": "4239c38fe0b3847e1e6d962c74b41b08ba0e2990",
        "lessThan": "26662bc8fced1d668fa1aa146eda085bfc67bd0b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4239c38fe0b3847e1e6d962c74b41b08ba0e2990",
        "lessThan": "6b524e6b234e45c7f5f90d13b042c6f57f80105c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4239c38fe0b3847e1e6d962c74b41b08ba0e2990",
        "lessThan": "597f279b7b4a06412e3d965e98cc36e181cdbede",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4239c38fe0b3847e1e6d962c74b41b08ba0e2990",
        "lessThan": "22709117d9ae95e52673685f98caac7c356a8227",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4239c38fe0b3847e1e6d962c74b41b08ba0e2990",
        "lessThan": "ad7e10c7ea89af45ac1bf1814855d45da472703d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4239c38fe0b3847e1e6d962c74b41b08ba0e2990",
        "lessThan": "5b926fb04cb9ef3156dcf88c69a59d3d1a1c4f9f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4239c38fe0b3847e1e6d962c74b41b08ba0e2990",
        "lessThan": "5e6e2a18c20e88167d414f666032792e8bf19b80",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4239c38fe0b3847e1e6d962c74b41b08ba0e2990",
        "lessThan": "f27bdc43077e4fcb5557dfc315ee8d91e741f483",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/trace/ring_buffer.c"
    ],
    "versions": [
      {
        "version": "4.5",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.5",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.266",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.217",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.184",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.153",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.105",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.45",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.9",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/26662bc8fced1d668fa1aa146eda085bfc67bd0b
git	www.git.kernel.org/stable/c/ad7e10c7ea89af45ac1bf1814855d45da472703d
git	www.git.kernel.org/stable/c/22709117d9ae95e52673685f98caac7c356a8227
git	www.git.kernel.org/stable/c/597f279b7b4a06412e3d965e98cc36e181cdbede
git	www.git.kernel.org/stable/c/5e6e2a18c20e88167d414f666032792e8bf19b80
git	www.git.kernel.org/stable/c/f27bdc43077e4fcb5557dfc315ee8d91e741f483
git	www.git.kernel.org/stable/c/5b926fb04cb9ef3156dcf88c69a59d3d1a1c4f9f
git	www.git.kernel.org/stable/c/6b524e6b234e45c7f5f90d13b042c6f57f80105c

25 Aug 2026 06:18Current

5.8Medium risk

Vulners AI Score5.8

CVSS 3.17.8

EPSS0.00136