Lucene search
+L

CVE-2026-74700

🗓️ 22 Aug 2026 15:33:00Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 46 Views🌐 WEB

Race in Linux kernel cls_api tc_new_tfilter causes UAF via missing rtnl_lock on classifier destroy.

Related
Detection
Affected
Refs
Paths
Vulners
CNA
Node
OR
linuxlinux_kernelRange5.16.6.152
linuxlinux_kernelRange6.7.06.12.104
linuxlinux_kernelRange6.13.06.18.45
linuxlinux_kernelRange6.19.07.1.9
linuxlinux_kernelRange7.2.0
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/sched/cls_api.c"
    ],
    "versions": [
      {
        "version": "12db03b65c2b90752e4c37666977fd4a1b5f5824",
        "lessThan": "34e77d8e3570f9df3952496ddb402833695662fd",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "12db03b65c2b90752e4c37666977fd4a1b5f5824",
        "lessThan": "b648c8a56531aeabd1c14f6b5cf1891e269b3756",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "12db03b65c2b90752e4c37666977fd4a1b5f5824",
        "lessThan": "d6222af7274f08e7a1848131dc30319993d8f377",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "12db03b65c2b90752e4c37666977fd4a1b5f5824",
        "lessThan": "a81f9c44d87fb59d99fce72e29e02cab3a49a1c3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "12db03b65c2b90752e4c37666977fd4a1b5f5824",
        "lessThan": "a347304b2ca1a5377d5bd2d8a72e4b4f12afe648",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/sched/cls_api.c"
    ],
    "versions": [
      {
        "version": "5.1",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.1",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.152",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.104",
        "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"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
tc_new_tfilterpathnet/sched/cls_api.c:2378Race condition in tc_new_tfilter/tcf_proto_destroy when destroying unlocked classifiers can lead to use-after-freeCWE-362
tcf_proto_destroypathnet/sched/cls_api.c:2378Race condition in tc_new_tfilter/tcf_proto_destroy when destroying unlocked classifiers can lead to use-after-freeCWE-362

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

25 Aug 2026 06:18Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.17.8
EPSS0.00125
46