CVE-2024-36941: wifi: nl80211: don't free NULL coalescing rule
First published: Thu May 30 2024(Updated: )
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.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <4.19.314 | 4.19.314 |
| redhat/kernel | <5.4.276 | 5.4.276 |
| redhat/kernel | <5.10.217 | 5.10.217 |
| redhat/kernel | <5.15.159 | 5.15.159 |
| redhat/kernel | <6.1.91 | 6.1.91 |
| redhat/kernel | <6.6.31 | 6.6.31 |
| redhat/kernel | <6.8.10 | 6.8.10 |
| redhat/kernel | <6.9 | 6.9 |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.123-1 6.1.128-1 6.12.12-1 6.12.15-1 | |
| Linux kernel | >=3.12<4.19.314 | |
| Linux kernel | >=4.20<5.4.276 | |
| Linux kernel | >=5.5<5.10.217 | |
| Linux kernel | >=5.11<5.15.159 | |
| Linux kernel | >=5.16<6.1.91 | |
| Linux kernel | >=6.2<6.6.31 | |
| Linux kernel | >=6.7<6.8.10 | |
| Linux kernel | =6.9-rc1 | |
| Linux kernel | =6.9-rc2 | |
| Linux kernel | =6.9-rc3 | |
| Linux kernel | =6.9-rc4 | |
| Linux kernel | =6.9-rc5 | |
| Debian | =10.0 |
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Reference Links
- 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://launchpad.net/bugs/cve/CVE-2024-36941
- https://access.redhat.com/security/cve/CVE-2024-36941
- https://lore.kernel.org/linux-cve-announce/2024053043-CVE-2024-36941-b3a3@gregkh/T
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2284475
- https://access.redhat.com/errata/RHSA-2024:5102
- https://access.redhat.com/errata/RHSA-2024:5101
- https://access.redhat.com/errata/RHSA-2024:5365
- https://access.redhat.com/errata/RHSA-2024:5364
- https://access.redhat.com/errata/RHSA-2024:5363
- https://access.redhat.com/errata/RHSA-2024:5692
- https://access.redhat.com/errata/RHSA-2024:6206
- https://bugzilla.redhat.com/show_bug.cgi?id=2284474
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-36941
- https://nvd.nist.gov/vuln/detail/CVE-2024-36941
- https://security-tracker.debian.org/tracker/CVE-2024-36941
- https://ubuntu.com/security/CVE-2024-36941
- https://git.kernel.org/linus/801ea33ae82d6a9d954074fbcf8ea9d18f1543a7
Frequently Asked Questions
What is the severity of CVE-2024-36941?
CVE-2024-36941 is classified as a medium severity vulnerability in the Linux kernel.
How do I fix CVE-2024-36941?
To mitigate CVE-2024-36941, update your Linux kernel to any of the following versions: 4.19.314, 5.4.276, 5.10.217, 5.15.159, 6.1.91, 6.6.31, 6.8.10, or 6.9.
Which Linux kernel versions are affected by CVE-2024-36941?
CVE-2024-36941 affects Linux kernel versions prior to 4.19.314, 5.4.276, 5.10.217, 5.15.159, 6.1.91, 6.6.31, 6.8.10, and 6.9.
What causes CVE-2024-36941?
CVE-2024-36941 is caused by a NULL pointer dereference in the nl80211 subsystem of the Linux kernel when parsing fails.
Is CVE-2024-36941 exploitable in all system configurations?
The exploitability of CVE-2024-36941 may vary depending on the specific system configurations and the presence of other security controls.
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