CVE-2026-45897

🗓️ 27 May 2026 12:17:07Reported by LinuxType

Kernel vulnerability: netfilter nft_counter serializes reset with a spinlock to prevent underrun.

Reporter	Title	Published	Views	Family All 14
CNNVD	Linux kernel 安全漏洞	27 May 202600:00	–	cnnvd
Cvelist	CVE-2026-45897 netfilter: nft_counter: serialize reset with spinlock	27 May 202612:17	–	cvelist
Debian CVE	CVE-2026-45897	27 May 202612:17	–	debiancve
EUVD	EUVD-2026-32363	27 May 202615:33	–	euvd
NVD	CVE-2026-45897	27 May 202614:17	–	nvd
OSV	BELL-CVE-2026-45897	29 May 202606:09	–	osv
OSV	DEBIAN-CVE-2026-45897	27 May 202614:17	–	osv
OSV	ROOT-OS-UBUNTU-2404-CVE-2026-45897 CVE-2026-45897 in rootio-linux - Patched by Root	3 Jun 202607:40	–	osv
OSV	UBUNTU-CVE-2026-45897	27 May 202614:17	–	osv
Positive Technologies	PT-2026-43764	27 May 202600:00	–	ptsecurity

Vulners

CNA

Node

linux linux_kernelRange6.1.107–6.2

linux linux_kernelRange6.6.48–6.7

linux linux_kernelRange6.7–6.19.4

linux linux_kernelRange6.20.0–7.0

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/netfilter/nft_counter.c"
    ],
    "versions": [
      {
        "version": "3cb03edb4de33fd04c4ea55f47397b96a8657c53",
        "lessThan": "0cdc6d5a26f2d1f7f15a43526841b679445c32e2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3cb03edb4de33fd04c4ea55f47397b96a8657c53",
        "lessThan": "779c60a5190c42689534172f4b49e927c9959e4e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fb1adb05ea87b6149e65a31e511756c4f470d0cd",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f123293db16dcd0cd81b246ae60e6362f0025d0a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6.1.107",
        "lessThan": "6.2",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.6.48",
        "lessThan": "6.7",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/netfilter/nft_counter.c"
    ],
    "versions": [
      {
        "version": "6.7",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.7",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.4",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/779c60a5190c42689534172f4b49e927c9959e4e
git	www.git.kernel.org/stable/c/0cdc6d5a26f2d1f7f15a43526841b679445c32e2

27 May 2026 14:48Current

5.7Medium risk

Vulners AI Score5.7

EPSS0.00024