Lucene search
+L

CVE-2026-63981 net/sched: act_mirred: Fix blockcast recursion bypass leading to stack overflow

🗓️ 19 Jul 2026 14:56:04Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 26 Views

Fix blockcast recursion bypass in net/sched act_mirred to prevent stack overflow.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
CVE
CVE-2026-63981
19 Jul 202614:56
cve
EUVD
EUVD-2026-45754
19 Jul 202614:56
euvd
NVD
CVE-2026-63981
19 Jul 202616:17
nvd
OSV
CVE-2026-63981 net/sched: act_mirred: Fix blockcast recursion bypass leading to stack overflow
19 Jul 202614:56
osv
OSV
DEBIAN-CVE-2026-63981
19 Jul 202616:17
osv
OSV
UBUNTU-CVE-2026-63981
20 Jul 202600:00
osv
Positive Technologies
PT-2026-61298
19 Jul 202600:00
ptsecurity
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-63981
20 Jul 202600:00
nessus
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/sched/act_mirred.c"
    ],
    "versions": [
      {
        "version": "906736728cea480a85803c67fafb1b0e78491922",
        "lessThan": "25fc9352590f5ef21ebf290432bd768b336693bc",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fe946a751d9b52b7c45ca34899723b314b79b249",
        "lessThan": "34457de389fb64a01fdcc71177dfebe65fd2d362",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fe946a751d9b52b7c45ca34899723b314b79b249",
        "lessThan": "a005fa5d7502eefec7ee6e1c01adadc06de2f9ad",
        "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/act_mirred.c"
    ],
    "versions": [
      {
        "version": "6.19",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.19",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.12",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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