What’s Vulnerable › Vulnerabilities

CVE-2024-35838: wifi: mac80211: fix potential sta-link leak

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-05-17 · updated 2026-06-17
• Weakness: CWE-401

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: fix potential sta-link leak When a station is allocated, links are added but not set to valid yet (e.g. during connection to an AP MLD), we might remove the station without ever marking links valid, and leak them. Fix that.

Affected products

• Linux kernel: from 6.0 before 6.1.76; from 6.2 before 6.6.15; from 6.7 before 6.7.3; 6.8-rc1 — fixed in 6.1.76, 6.6.15, 6.7.3

How to fix

Upgrade to a fixed version: Linux kernel 6.1.76, 6.6.15, 6.7.3. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/49aaeb8c539b1633b3bd7c2df131ec578aa1eae1
• https://git.kernel.org/stable/c/587c5892976108674bbe61a8ff659de279318034
• https://git.kernel.org/stable/c/b01a74b3ca6fd51b62c67733ba7c3280fa6c5d26
• https://git.kernel.org/stable/c/e04bf59bdba0fa45d52160be676114e16be855a9
• https://git.kernel.org/stable/c/49aaeb8c539b1633b3bd7c2df131ec578aa1eae1
• https://git.kernel.org/stable/c/587c5892976108674bbe61a8ff659de279318034
• https://git.kernel.org/stable/c/b01a74b3ca6fd51b62c67733ba7c3280fa6c5d26
• https://git.kernel.org/stable/c/e04bf59bdba0fa45d52160be676114e16be855a9

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