CVE-2024-50055: driver core: bus: Fix double free in driver API bus_register()
First published: Mon Oct 21 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: driver core: bus: Fix double free in driver API bus_register() For bus_register(), any error which happens after kset_register() will cause that @priv are freed twice, fixed by setting @priv with NULL after the first free.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | <6.6.57 | |
| Linux Kernel | >=6.7<6.11.4 |
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Reference Links
- https://git.kernel.org/stable/c/5be4bc1c73ca389a96d418a52054d897c6fe6d21
- https://git.kernel.org/stable/c/4797953712214ea57a437443bb0ad6d1e0646d70
- https://git.kernel.org/stable/c/fc1f391a71a3ee88291e205cffd673fe24d99266
- https://git.kernel.org/stable/c/d885c464c25018b81a6b58f5d548fc2e3ef87dd1
- https://git.kernel.org/stable/c/9ce15f68abedfae7ae0a35e95895aeddfd0f0c6a
- https://git.kernel.org/stable/c/bfa54a793ba77ef696755b66f3ac4ed00c7d1248
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-50055
- https://nvd.nist.gov/vuln/detail/CVE-2024-50055
- https://launchpad.net/bugs/cve/CVE-2024-50055
- https://security-tracker.debian.org/tracker/CVE-2024-50055
- https://ubuntu.com/security/CVE-2024-50055
Frequently Asked Questions
What is the severity of CVE-2024-50055?
CVE-2024-50055 has a severity rating that reflects the potential impact of the double free vulnerability in the Linux kernel.
How do I fix CVE-2024-50055?
To fix CVE-2024-50055, update your Linux kernel to a version after 6.6.57 or ensure it is between 6.7 and 6.11.4 inclusive.
What systems are affected by CVE-2024-50055?
CVE-2024-50055 affects various versions of the Linux kernel, specifically those up to version 6.6.57 and between versions 6.7 and 6.11.4.
What are the potential impacts of CVE-2024-50055?
The potential impacts of CVE-2024-50055 include system crashes and unpredictable behavior due to the double free vulnerability.
Is there a public disclosure for CVE-2024-50055?
Yes, CVE-2024-50055 has been publicly disclosed, detailing the fix related to the driver API's bus_register() in the Linux kernel.
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