CVE-2022-2785

Published Sep 23, 2022

Last updated a year ago

CVSS medium 5.5

Overview

Description: There exists an arbitrary memory read within the Linux Kernel BPF - Constants provided to fill pointers in structs passed in to bpf_sys_bpf are not verified and can point anywhere, including memory not owned by BPF. An attacker with CAP_BPF can arbitrarily read memory from anywhere on the system. We recommend upgrading past commit 86f44fcec22c
Source: cve-coordination@google.com
NVD status: Modified

Risk scores

CVSS 3.1

Type: Primary
Base score: 5.5
Impact score: 3.6
Exploitability score: 1.8
Vector string: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Severity: MEDIUM

Weaknesses

nvd@nist.gov: CWE-125
cve-coordination@google.com: CWE-125

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "C4201D89-FEDA-413D-80CA-8E240505B4CA",
            "versionEndExcluding": "2022-08-10"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References