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[email protected]CVE-2021-3600

HistoryJan 08, 2024 - 7:15 p.m.

CVE-2021-3600

2024-01-0819:15:08

CWE-787

CWE-125

[email protected]

web.nvd.nist.gov

linux

kernel

ebpf

vulnerability

div

mod

nvd

cve-2021-3600

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

AI Score

7.5

Confidence

High

EPSS

Percentile

5.1%

JSON

It was discovered that the eBPF implementation in the Linux kernel did not properly track bounds information for 32 bit registers when performing div and mod operations. A local attacker could use this to possibly execute arbitrary code.

Affected configurations

NVD

Node

linuxlinux_kernelRange4.14–4.19.206

linuxlinux_kernelRange4.20–5.4.98

linuxlinux_kernelRange5.5–5.10.16

linuxlinux_kernelMatch5.11rc1

linuxlinux_kernelMatch5.11rc2

linuxlinux_kernelMatch5.11rc3

linuxlinux_kernelMatch5.11rc4

linuxlinux_kernelMatch5.11rc5

linuxlinux_kernelMatch5.11rc6

linuxlinux_kernelMatch5.11rc7

Node

canonicalubuntu_linuxMatch14.04esm

canonicalubuntu_linuxMatch16.04esm

canonicalubuntu_linuxMatch18.04esm

Node

fedoraprojectfedoraMatch34

Node

redhatenterprise_linuxMatch8.0

VendorProductVersionCPE
linuxlinux_kernel5.11cpe:/o:linux:linux_kernel:5.11:rc5::
linuxlinux_kernel5.11cpe:/o:linux:linux_kernel:5.11:rc3::
linuxlinux_kernel5.11cpe:/o:linux:linux_kernel:5.11:rc6::
linuxlinux_kernel5.11cpe:/o:linux:linux_kernel:5.11:rc7::
linuxlinux_kernel5.11cpe:/o:linux:linux_kernel:5.11:rc2::
linuxlinux_kernel5.11cpe:/o:linux:linux_kernel:5.11:rc4::
linuxlinux_kernel5.11cpe:/o:linux:linux_kernel:5.11:rc1::

Vendor	Product	Version	CPE
linux	linux_kernel	5.11	cpe:/o:linux:linux_kernel:5.11:rc5::
linux	linux_kernel	5.11	cpe:/o:linux:linux_kernel:5.11:rc3::
linux	linux_kernel	5.11	cpe:/o:linux:linux_kernel:5.11:rc6::
linux	linux_kernel	5.11	cpe:/o:linux:linux_kernel:5.11:rc7::
linux	linux_kernel	5.11	cpe:/o:linux:linux_kernel:5.11:rc2::
linux	linux_kernel	5.11	cpe:/o:linux:linux_kernel:5.11:rc4::
linux	linux_kernel	5.11	cpe:/o:linux:linux_kernel:5.11:rc1::

CNA Affected

[
  {
    "packageName": "linux",
    "product": "linux",
    "vendor": "The Linux Kernel Organization",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git",
    "platforms": [
      "Linux"
    ],
    "versions": [
      {
        "lessThan": "5.11",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      }
    ]
  }
]