What’s Vulnerable › Vulnerabilities

CVE-2022-3526: Linux Kernel skb macvlan.c macvlan_handle_frame memory leak

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-10-16 · updated 2026-06-17
• Weakness: CWE-404

Description

A vulnerability classified as problematic was found in Linux Kernel. This vulnerability affects the function macvlan_handle_frame of the file drivers/net/macvlan.c of the component skb. The manipulation leads to memory leak. The attack can be initiated remotely. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-211024.

Affected products

• Linux kernel: from 5.13 before 5.15.35; from 5.16 before 5.17.4 — fixed in 5.15.35, 5.17.4

How to fix

Upgrade to a fixed version: Linux kernel 5.15.35, 5.17.4. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/pub/scm/linux/kernel/git/pabeni/net-next.git/commit/?id=e16b859872b87650bb55b12cca5a5fcdc49c1442
• https://vuldb.com/?id.211024
• https://git.kernel.org/pub/scm/linux/kernel/git/pabeni/net-next.git/commit/?id=e16b859872b87650bb55b12cca5a5fcdc49c1442
• https://vuldb.com/?id.211024

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