CVE-2024-27051: cpufreq: brcmstb-avs-cpufreq: add check for cpufreq_cpu_get's return value
First published: Wed May 01 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: cpufreq: brcmstb-avs-cpufreq: add check for cpufreq_cpu_get's return value cpufreq_cpu_get may return NULL. To avoid NULL-dereference check it and return 0 in case of error. Found by Linux Verification Center (linuxtesting.org) with SVACE.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | >=4.10<5.10.214 | |
| Linux Kernel | >=5.11<5.15.153 | |
| Linux Kernel | >=5.16<6.1.83 | |
| Linux Kernel | >=6.2<6.6.23 | |
| Linux Kernel | >=6.7<6.7.11 | |
| Linux Kernel | >=6.8<6.8.2 | |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.123-1 6.1.119-1 6.12.11-1 6.12.12-1 |
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Reference Links
- https://git.kernel.org/stable/c/74b84d0d71180330efe67c82f973a87f828323e5
- https://git.kernel.org/stable/c/9127599c075caff234359950117018a010dd01db
- https://git.kernel.org/stable/c/b25b64a241d769e932a022e5c780cf135ef56035
- https://git.kernel.org/stable/c/d951cf510fb0df91d3abac0121a59ebbc63c0567
- https://git.kernel.org/stable/c/e6e3e51ffba0784782b1a076d7441605697ea3c6
- https://git.kernel.org/stable/c/e72160cb6e23b78b41999d6885a34ce8db536095
- https://git.kernel.org/stable/c/f661017e6d326ee187db24194cabb013d81bc2a6
- https://launchpad.net/bugs/cve/CVE-2024-27051
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-27051
- https://nvd.nist.gov/vuln/detail/CVE-2024-27051
- https://security-tracker.debian.org/tracker/CVE-2024-27051
- https://ubuntu.com/security/CVE-2024-27051
- https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
- https://git.kernel.org/linus/f661017e6d326ee187db24194cabb013d81bc2a6
Frequently Asked Questions
What is the severity of CVE-2024-27051?
CVE-2024-27051 has a moderate severity level due to its potential for causing NULL dereference issues in the Linux kernel.
Which versions of the Linux kernel are affected by CVE-2024-27051?
CVE-2024-27051 affects Linux kernel versions from 4.10 up to and including 6.8.2.
How do I fix CVE-2024-27051?
To fix CVE-2024-27051, upgrade to a patched version of the Linux kernel such as 5.10.223-1 or 6.1.123-1.
What causes the vulnerability in CVE-2024-27051?
CVE-2024-27051 is caused by the cpufreq_cpu_get function potentially returning NULL, leading to a NULL dereference.
Is it safe to use affected versions of the Linux kernel with CVE-2024-27051?
Using affected versions of the Linux kernel with CVE-2024-27051 poses a risk and should be avoided until patched.
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