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CVE-2022-3526

25
FAUCET Score

CVE-2022-3526 is a memory leak vulnerability in the Linux Kernel's macvlan network driver, specifically within the macvlan_handle_frame function. This flaw allows a remote attacker to cause a denial of service due to memory exhaustion. With a CVSS score of 7.5 (High), it presents a significant risk, though it has low EPSS and FAUCET scores, suggesting a lower likelihood of widespread exploitation. There is currently no public exploit code, active exploitation, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 5.13, < 5.15.35CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.16, < 5.17.4CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.3MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.94%
Probability of exploitation in next 30 days
EPSS Percentile
57.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0094 is in the 32nd percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 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-2022-3526Moderate

kernel: A flaw in macvlan_handle_frame in drivers/net/macvlan.c may cause a memory leak

Apr 13, 2022

References

git.kernel.org / pub/scm/linux/kernel/git/pabeni/net-next.git/commit
Mailing ListPatchVendor Advisory
vuldb.com
Permissions RequiredThird Party Advisory