CVE-2022-2586

2024-01-0817:46:06

CWE-416

canonical

github.com

cve-2022-2586

nft

object

expression

set

table

use-after-free

5.3 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

HIGH

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

7 High

AI Score

Confidence

Low

0.01 Low

EPSS

Percentile

84.1%

JSON

It was discovered that a nft object or expression could reference a nft set on a different nft table, leading to a use-after-free once that table was deleted.

CNA Affected

[
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git",
    "vendor": "The Linux Kernel Organization",
    "product": "linux",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "6.0~rc1",
        "versionType": "semver"
      }
    ],
    "platforms": [
      "Linux"
    ],
    "packageName": "linux"
  }
]