Lucene search
K

CVE-2026-52946 fs/fcntl: fix SOFTIRQ-unsafe lock order in fasync signaling

🗓️ 24 Jun 2026 16:26:04Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 8 Views

Fix SOFTIRQ-unsafe lock order in fasync signaling by using rcu_read_lock instead of tasklist_lock.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-52946
24 Jun 202616:26
attackerkb
CVE
CVE-2026-52946
24 Jun 202616:26
cve
Debian CVE
CVE-2026-52946
24 Jun 202616:26
debiancve
EUVD
EUVD-2026-38814
24 Jun 202618:32
euvd
NVD
CVE-2026-52946
24 Jun 202617:17
nvd
OSV
DEBIAN-CVE-2026-52946
24 Jun 202620:48
osv
Positive Technologies
PT-2026-51840
24 Jun 202600:00
ptsecurity
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/fcntl.c"
    ],
    "versions": [
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "54626335ea4174ab2d9a183b511d825f6765e47b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "897d6a7247739fb1528f98c575df4f2e5de7f994",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "32dbd5ce4be3a3ed7e00f8af18795cc84fc50a33",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "b5fa9e32fb6718f70c986ee14dd5d01b4846f331",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "1bee417678f1135e35b25a37734db46aa94258d2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "20a93e397abe850c49b6fa0e8cc827b5f634a8f5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "bfcc8e8d8a495bb34cae9e620adfb75fb13a3954",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "36c1b57b2ecf3c61ac93f5f07bd29b6f21e226ed",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0",
        "lessThan": "5.10.259",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "0",
        "lessThan": "5.15.210",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "0",
        "lessThan": "6.1.176",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "0",
        "lessThan": "6.6.143",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "0",
        "lessThan": "6.12.94",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "0",
        "lessThan": "6.18.36",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "0",
        "lessThan": "7.0.13",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "0",
        "lessThan": "7.1.1",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/fcntl.c"
    ],
    "versions": [
      {
        "version": "5.10.259",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.210",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.176",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.143",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.94",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.36",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.13",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.1",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      }
    ]
  }
]

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