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CVE-2022-49680

17
FAUCET Score

CVE-2022-49680 is a refcount leak vulnerability affecting the Linux kernel, specifically within the ARM Exynos power management unit (PMU) driver. This medium-severity flaw (CVSS 5.5) could lead to a denial of service (availability impact) if exploited locally with low privileges and no user interaction. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 3.17, < 4.9.321CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.10, < 4.14.286CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.15, < 4.19.250CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.20, < 5.4.202CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.5, < 5.10.127CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

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
0.25%
Probability of exploitation in next 30 days
EPSS Percentile
16.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0025 is in the 70th 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-2022-49680Moderate

kernel: ARM: exynos: Fix refcount leak in exynos_map_pmu

Feb 26, 2025

References

git.kernel.org / stable/c/31d09571bb071c20f6bdc0bb7ac1ef8dd2987c04
Patch
git.kernel.org / stable/c/545ae5cbae839ce39bfe09828e413f1c916082de
Patch
git.kernel.org / stable/c/68f28d52e6cbab8dcfa249cac4356d1d0573e868
Patch
git.kernel.org / stable/c/7571bcecf01b69f0d3ec60ca41ce5d4c75411a4a
Patch
git.kernel.org / stable/c/c4c79525042a4a7df96b73477feaf232fe44ae81
Patch
git.kernel.org / stable/c/d23f76018e17618559da9eea179d137362023f95
Patch
git.kernel.org / stable/c/f9b77a52937582a5b99a5a07e4ef1e2f48f87347
Patch
git.kernel.org / stable/c/fc354856e9fad9cd36e2ad28f9da70716025055a
Patch