CVE-2023-32629

2023-07-2601:59:47

CWE-863

canonical

www.cve.org

ubuntu kernel

privilege escalation

overlayfs

permission checks

vulnerability

7.8 High

CVSS3

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

8.1 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

JSON

Local privilege escalation vulnerability in Ubuntu Kernels overlayfs ovl_copy_up_meta_inode_data skip permission checks when calling ovl_do_setxattr on Ubuntu kernels

CNA Affected

[
  {
    "vendor": "Canonical",
    "product": "Ubuntu Kernel",
    "platforms": [
      "Linux"
    ],
    "packageName": "Linux",
    "versions": [
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "6.2.0-26.26",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "6.0.0-1020.20",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "5.4.0-155.172",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]