CVE-2026-81001

🗓️ 11 Sep 2026 19:42:54Reported by LinuxType

Use-after-free in Linux kernel slip driver sl_sync() dereferencing freed net_device via slip_devs.

Reporter	Title	Published	Views	Family All 17
Circl	CVE-2026-81001	1 Oct 202618:00	–	circl
Cvelist	CVE-2026-81001 slip: fix use-after-free in sl_sync()	11 Sep 202619:42	–	cvelist
Debian	[SECURITY] [DSA 6528-1] linux security update	29 Sep 202609:49	–	debian
Debian CVE	CVE-2026-81001	11 Sep 202619:42	–	debiancve
Tenable Nessus	Debian dsa-6528 : ata-modules-6.12.111+deb13-armmp-di - security update	29 Sep 202600:00	–	nessus
Tenable Nessus	Linux Distros Unpatched Vulnerability : CVE-2026-81001	12 Sep 202600:00	–	nessus
EUVD	EUVD-2026-76324	11 Sep 202619:42	–	euvd
NVD	CVE-2026-81001	11 Sep 202620:19	–	nvd
OSV	BELL-CVE-2026-81001	15 Sep 202606:05	–	osv
OSV	DEBIAN-CVE-2026-81001	11 Sep 202620:19	–	osv

Vulners

CNA

Node

linux linux_kernelRange2.6.32–5.10.270

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": [
      "drivers/net/slip/slip.c"
    ],
    "versions": [
      {
        "version": "5342b77c4123ba39f911d92a813295fb3bb21f69",
        "lessThan": "045e307ac21fbd735b789d8817b21be4d8ead054",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5342b77c4123ba39f911d92a813295fb3bb21f69",
        "lessThan": "87398cdec8bdf84096a8af4dbccdb04f1972f32c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5342b77c4123ba39f911d92a813295fb3bb21f69",
        "lessThan": "e93ace1f46177a4f7b5a8e5996606cdf77e1e890",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5342b77c4123ba39f911d92a813295fb3bb21f69",
        "lessThan": "70e20456bcbf7f3ae145bb96e5548f827a37c640",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5342b77c4123ba39f911d92a813295fb3bb21f69",
        "lessThan": "a235b20972bbd98ca1fb127d6269434edc607f19",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5342b77c4123ba39f911d92a813295fb3bb21f69",
        "lessThan": "486577db807891d0f964fdf13c1640c7f54b0ad1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5342b77c4123ba39f911d92a813295fb3bb21f69",
        "lessThan": "d6f25e5bd777b05880da8673daf74a8419480545",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5342b77c4123ba39f911d92a813295fb3bb21f69",
        "lessThan": "2c4e7c42d77e78ad595dbb9e4b5886b58b45d89d",
        "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/net/slip/slip.c"
    ],
    "versions": [
      {
        "version": "2.6.32",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.32",
        "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/a235b20972bbd98ca1fb127d6269434edc607f19
git	www.git.kernel.org/stable/c/2c4e7c42d77e78ad595dbb9e4b5886b58b45d89d
git	www.git.kernel.org/stable/c/87398cdec8bdf84096a8af4dbccdb04f1972f32c
git	www.git.kernel.org/stable/c/486577db807891d0f964fdf13c1640c7f54b0ad1
git	www.git.kernel.org/stable/c/e93ace1f46177a4f7b5a8e5996606cdf77e1e890
git	www.git.kernel.org/stable/c/045e307ac21fbd735b789d8817b21be4d8ead054
git	www.git.kernel.org/stable/c/70e20456bcbf7f3ae145bb96e5548f827a37c640
git	www.git.kernel.org/stable/c/d6f25e5bd777b05880da8673daf74a8419480545

14 Sep 2026 13:18Current

6.6Medium risk

Vulners AI Score6.6

CVSS 3.17.8

EPSS0.00171