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CVE-2022-48859

17
FAUCET Score

CVE-2022-48859 is a refcount leak vulnerability in the Marvell Prestera network driver within the Linux kernel. This flaw, rated Medium severity (CVSS 5.5), could lead to a denial of service (A:H) if a local, low-privileged attacker (AV:L/PR:L) successfully exploits it. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 5.10, < 5.15.29CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.16, < 5.16.15CPE 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
0.21%
Probability of exploitation in next 30 days
EPSS Percentile
11.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0021 is in the 52nd 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-2022-48859Low

kernel: net: marvell: prestera: Add missing of_node_put() in prestera_switch_set_base_mac_addr

Jul 16, 2024

References

git.kernel.org / stable/c/4cc66bf17220ff9631f9fa99b02a872e0ad5a08b
Patch
git.kernel.org / stable/c/b7c2fd1d126329340639adfb8dd2938fe4b65df7
Patch
git.kernel.org / stable/c/c9ffa3e2bc451816ce0295e40063514fabf2bd36
Patch