CVE-2024-55639: net: renesas: rswitch: avoid use-after-put for a device tree node
In the Linux kernel, the following vulnerability has been resolved:
net: renesas: rswitch: avoid use-after-put for a device tree node
The device tree node saved in the rswitchdevice structure is used at several driver locations. So passing this node to ofnodeput() after the first use is wrong.
Move ofnodeput() for this node to exit paths.
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 5.10.223-1Fixed in 5.10.234-1Fixed in 6.1.129-1Fixed in 6.1.135-1Fixed in 6.12.22-1Fixed in 6.12.25-1
Event History
Frequently Asked Questions
What is the severity of CVE-2024-55639?
CVE-2024-55639 is classified as a medium severity vulnerability in the Linux kernel.
How do I fix CVE-2024-55639?
To address CVE-2024-55639, you should update your Linux kernel to the latest stable version that includes the fix.
What systems are affected by CVE-2024-55639?
CVE-2024-55639 affects various versions of the Linux kernel used in different Linux distributions.
What is the nature of the issue in CVE-2024-55639?
CVE-2024-55639 involves a use-after-put vulnerability in the rswitch device driver affecting device tree node management.
Is CVE-2024-55639 being actively exploited?
As of now, there are no public reports indicating that CVE-2024-55639 is actively being exploited.