Dashboard / CVE-2022-49786

CVE-2022-49786

MEDIUM
MEDIUM Priority: 0.01 BB Relevance: 36/100
Published: 2025-05-01 Modified: 2026-11-05 First seen: 2026-11-05 Status: active

Attack Surface

Low Complexity No Interaction

CVSS Vector Breakdown

AV: Local
AC: Low
PR: Low
UI: None
S: Unchanged
C: None
I: None
A: High

Description

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: properly pin the parent in blkcg_css_online blkcg_css_online is supposed to pin the blkcg of the parent, but 397c9f46ee4d refactored things and along the way, changed it to pin the css instead. This results in extra pins, and we end up leaking blkcgs and cgroups.

Affected Software (9)

VendorProductVersion
Linux Linux 397c9f46ee4d99024c64954b007c1b5762d01cb4 < d118247e404d6338f7b90636a3c6b95a387ed163
Linux Linux 397c9f46ee4d99024c64954b007c1b5762d01cb4 < d7dbd43f4a828fa1d9a8614d5b0ac40aee6375fe
Linux Linux 5.19
linux linux_kernel 5.19 – 6.0.10
linux linux_kernel 6.1
linux linux_kernel 6.1
linux linux_kernel 6.1
linux linux_kernel 6.1
linux linux_kernel 6.1

References & Advisories (2)

Bug Bounty Relevance

36 / 100
✓ Low complexity
✓ No user interaction

CVSS Score

5.5 / 10.0 v3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS — Exploitation Probability

0.17%
Raw Score 0.001700
Percentile 6.4%
Date 2026-11-05

Intelligence Sources

mitre ref →
nvd ref →

External Links