What’s Vulnerable › Vulnerabilities

CVE-2024-36941: wifi: nl80211: don't free NULL coalescing rule

• 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: 2024-05-30 · updated 2026-06-17
• Weakness: CWE-476

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: nl80211: don't free NULL coalescing rule If the parsing fails, we can dereference a NULL pointer here.

Affected products

• Debian Linux: 10.0
• Linux kernel: from 3.12 before 4.19.314; from 4.20 before 5.4.276; from 5.5 before 5.10.217; from 5.11 before 5.15.159; from 5.16 before 6.1.91; from 6.2 before 6.6.31 — fixed in 4.19.314, 5.10.217, 5.15.159, 5.4.276, 6.1.91, 6.6.31

How to fix

Upgrade to a fixed version: Linux kernel 4.19.314, 5.10.217, 5.15.159, 5.4.276. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/244822c09b4f9aedfb5977f03c0deeb39da8ec7d
• https://git.kernel.org/stable/c/327382dc0f16b268950b96e0052595efd80f7b0a
• https://git.kernel.org/stable/c/5a730a161ac2290d46d49be76b2b1aee8d2eb307
• https://git.kernel.org/stable/c/801ea33ae82d6a9d954074fbcf8ea9d18f1543a7
• https://git.kernel.org/stable/c/97792d0611ae2e6fe3ccefb0a94a1d802317c457
• https://git.kernel.org/stable/c/ad12c74e953b68ad85c78adc6408ed8435c64af4
• https://git.kernel.org/stable/c/b0db4caa10f2e4e811cf88744fbf0d074b67ec1f
• https://git.kernel.org/stable/c/f92772a642485394db5c9a17bd0ee73fc6902383
• https://git.kernel.org/stable/c/244822c09b4f9aedfb5977f03c0deeb39da8ec7d
• https://git.kernel.org/stable/c/327382dc0f16b268950b96e0052595efd80f7b0a
• https://git.kernel.org/stable/c/5a730a161ac2290d46d49be76b2b1aee8d2eb307
• https://git.kernel.org/stable/c/801ea33ae82d6a9d954074fbcf8ea9d18f1543a7

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