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CVE-2022-48817

17
FAUCET Score

CVE-2022-48817 is a vulnerability in the Linux kernel's ar9331 DSA network driver, affecting the linux_kernel product. It stems from an improper handling of MDIO bus registration and de-registration during system shutdown, potentially leading to a kernel panic. The vulnerability has a CVSS score of 5.5 (Medium), indicating a local attack vector with low complexity and a high impact on availability (denial of service). There is no evidence of active exploitation, no known public exploit code (Metasploit, Nuclei, ExploitDB), and minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 5.9, < 5.10.101CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.11, < 5.15.24CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.16, < 5.16.10CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
5.17CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:5.17:rc1:*:*:*:*:*:*
5.17CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:5.17:rc2:*:*:*:*:*:*

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
0.27%
Probability of exploitation in next 30 days
EPSS Percentile
18.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0027 is in the 74th 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 Patches (2)

redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-rt

Vendor Advisories (1)

redhatCVE-2022-48817Low

kernel: net: dsa: ar9331: register the mdiobus under devres

Jul 16, 2024

References

git.kernel.org / stable/c/475ce5dcf2d88fd4f3c213a0ac944e3e40702970
Patch
git.kernel.org / stable/c/50facd86e9fbc4b93fe02e5fe05776047f45dbfb
Patch
git.kernel.org / stable/c/aae1c6a1d3d696fc33b609fb12fe744a556d1dc5
Patch
git.kernel.org / stable/c/f1842a8cb71de4d7eb75a86f76e88c7ee739218c
Patch