Lucene search
+L

CVE-2021-4439

🗓️ 20 Jun 2024 12:07:57Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 144 Views

In Linux kernel, the CVE-2021-4439 vulnerability resolves an array index out of bounds issue in isdn module

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
astralinux
AstraLinux
Astra Linux – Vulnerability in Linux, Linux 5.10
14 Sep 202612:01
–astralinux
bdu_fstec
BDU FSTEC
isdn component Heap Buffer Overflow DoS
16 Sep 202400:00
–bdu_fstec
cloudlinux
CloudLinux
kernel: Fix of 13 CVEs
7 Oct 202410:36
–cloudlinux
cnnvd
CNNVD
Linux kernel security vulnerabilities
20 Jun 202400:00
–cnnvd
cvelist
Cvelist
CVE-2021-4439 isdn: cpai: check ctr->cnr to avoid array index out of bound
20 Jun 202412:07
–cvelist
debiancve
Debian CVE
CVE-2021-4439
20 Jun 202412:07
–debiancve
nvd
NVD
CVE-2021-4439
20 Jun 202412:15
–nvd
openvas
OpenVAS
openSUSE Security Advisory (SUSE-SU-2024:2394-1)
12 Jul 202400:00
–openvas
openvas
OpenVAS
openSUSE Security Advisory (SUSE-SU-2024:2372-1)
12 Jul 202400:00
–openvas
openvas
OpenVAS
openSUSE: Security Advisory for the Linux Kernel (SUSE-SU-2024:2362-1)
12 Jul 202400:00
–openvas
Rows per page
NVD
Vulners
CNA
Node
OR
linuxlinux_kernelRange<4.4.290
linuxlinux_kernelRange4.5–4.9.288
linuxlinux_kernelRange4.10–4.14.253
linuxlinux_kernelRange4.15–4.19.214
linuxlinux_kernelRange4.20–5.4.156
linuxlinux_kernelRange5.5–5.10.76
linuxlinux_kernelRange5.11–5.14.15
linuxlinux_kernelMatch5.15rc1
linuxlinux_kernelMatch5.15rc2
linuxlinux_kernelMatch5.15rc3
linuxlinux_kernelMatch5.15rc4
linuxlinux_kernelMatch5.15rc5
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/isdn/capi/kcapi.c"
    ],
    "versions": [
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "e8b8de17e164c9f1b7777f1c6f99d05539000036",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "24219a977bfe3d658687e45615c70998acdbac5a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "9b6b2db77bc3121fe435f1d4b56e34de443bec75",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "7d91adc0ccb060ce564103315189466eb822cc6a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "285e9210b1fab96a11c0be3ed5cea9dd48b6ac54",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "7f221ccbee4ec662e2292d490a43ce6c314c4594",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "cc20226e218a2375d50dd9ac14fb4121b43375ff",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "1f3e2e97c003f80c4b087092b225c8787ff91e4d",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/isdn/capi/kcapi.c"
    ],
    "versions": [
      {
        "version": "2.6.12",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.12",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.4.290",
        "lessThanOrEqual": "4.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.9.288",
        "lessThanOrEqual": "4.9.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.14.253",
        "lessThanOrEqual": "4.14.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.19.214",
        "lessThanOrEqual": "4.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.4.156",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.76",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.14.15",
        "lessThanOrEqual": "5.14.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15",
        "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

17 Jun 2026 04:19Current
8.1High risk
Vulners AI Score8.1
CVSS 3.17.8
EPSS0.00235
SSVC
144