CVE-2024-50055: driver core: bus: Fix double free in driver API bus_register()
In the Linux kernel, the following vulnerability has been resolved:
driver core: bus: Fix double free in driver API busregister()
For busregister(), any error which happens after ksetregister() will cause that @priv are freed twice, fixed by setting @priv with NULL after the first free.
Other sources
This CVE was automatically created from a reference found in an email or other text. If you are reading this, then this CVE entry is probably erroneous, since this text should be replaced by the official CVE description automatically.
— Launchpad
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/linuxto a version that resolves this vulnerability.Fixed in 5.10.234-1Fixed in 6.1.129-1Fixed in 6.1.135-1Fixed in 6.12.25-1Fixed in 6.12.27-1 - Upgrade
Upgrade
debian/linux-6.1to a version that resolves this vulnerability.Fixed in 6.1.129-1~deb11u1
Event History
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.