Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2022-49650

17
FAUCET Score

CVE-2022-49650 is a medium-severity vulnerability in the Linux kernel's dmaengine qcom bam_dma driver, affecting Linux kernel versions. It stems from an unbalanced power management call, leading to a runtime PM underflow. With a CVSS score of 5.5, this local vulnerability (AV:L) has low attack complexity (AC:L) and requires low privileges (PR:L), potentially causing high availability impact (A:H) without affecting confidentiality or integrity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 4.17.1, < 5.15.54CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.16, < 5.18.11CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
4.17CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:4.17:-:*:*:*:*:*:*
4.17CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:4.17:rc6:*:*:*:*:*:*
4.17CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:4.17:rc7:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.26%
Probability of exploitation in next 30 days
EPSS Percentile
17.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0026 is in the 72nd percentile among its peer group of 15,940 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2022-49650Low

kernel: dmaengine: qcom: bam_dma: fix runtime PM underflow

Feb 26, 2025

References

git.kernel.org / stable/c/0ac9c3dd0d6fe293cd5044cfad10bec27d171e4e
Patch
git.kernel.org / stable/c/2f6ded79068cac8cff41d5d5632564165d98ee12
Patch
git.kernel.org / stable/c/b702a1077b51fcb39507cc3bd39206f539319a96
Patch