Lucene search
+L

CVE-2026-43249 9p/xen: protect xen_9pfs_front_free against concurrent calls

🗓️ 06 May 2026 11:28:40Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 47 Views

Fix race in xenwatch that could cause concurrent xen_9pfs_front_free calls, avoiding double-free crash.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-43249
6 May 202611:28
attackerkb
astralinux
AstraLinux
Astra Linux – Vulnerability in Linux 6.12
10 Aug 202607:11
astralinux
circl
Circl
CVE-2026-43249
2 Jul 202606:17
circl
cnnvd
CNNVD
Linux kernel 安全漏洞
6 May 202600:00
cnnvd
cve
CVE
CVE-2026-43249
6 May 202611:28
cve
debiancve
Debian CVE
CVE-2026-43249
6 May 202611:28
debiancve
euvd
EUVD
EUVD-2026-27808
6 May 202612:30
euvd
nvd
NVD
CVE-2026-43249
6 May 202612:16
nvd
nessus
Tenable Nessus
openSUSE 16: cluster-md-kmp-64kb / cluster-md-kmp-azure / cluster-md-kmp-default / etc (openSUSE-SU-2026:21555-1)
13 Aug 202600:00
nessus
nessus
Tenable Nessus
Photon OS 5.0: Linux PHSA-2026-5.0-0882
20 Jun 202600:00
nessus
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/9p/trans_xen.c"
    ],
    "versions": [
      {
        "version": "c15fe55d14b3b4ded5af2a3260877460a6ffb8ad",
        "lessThan": "a5d00dff97118a32fcf5fec7a4c3f864c4620c4e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c15fe55d14b3b4ded5af2a3260877460a6ffb8ad",
        "lessThan": "59e7707492576bdbfa8c1dbe7d90791df31e4773",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c15fe55d14b3b4ded5af2a3260877460a6ffb8ad",
        "lessThan": "bf841d43f7a33d75675ba7f4e214ac1c67913065",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c15fe55d14b3b4ded5af2a3260877460a6ffb8ad",
        "lessThan": "ce8ded2e61f47747e31eeefb44dc24a2160a7e32",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "be03c4fe72384366fd4077a70966bd3b8fc49013",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1ab4de11232e83b875b071aa44d1155634ca8a1e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7cc9dbae8a5f73bd555130384ea256018d28f283",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3e0359f151ac151abe3fa71040e450ed69cb824b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8d3fc907d060c4fb33203e616a395a22083b6566",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4f0e9244770f5b75a16d8c0929063cd336926764",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5f6a8974e9ef317fe63f88bab1f33070195dd147",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4.14.308",
        "lessThan": "4.15",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "4.19.276",
        "lessThan": "4.20",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "5.4.235",
        "lessThan": "5.5",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "5.10.173",
        "lessThan": "5.11",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "5.15.100",
        "lessThan": "5.16",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.1.18",
        "lessThan": "6.2",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.2.5",
        "lessThan": "6.3",
        "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/9p/trans_xen.c"
    ],
    "versions": [
      {
        "version": "6.3",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.3",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.75",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.16",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.6",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "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

05 Aug 2026 12:26Current
CVSS 3.18.8
EPSS0.00241
47