CVE-2024-50267: USB: serial: io_edgeport: fix use after free in debug printk
In the Linux kernel, the following vulnerability has been resolved:
USB: serial: ioedgeport: fix use after free in debug printk
The "devdbg(&urb->dev->dev, ..." which happens after usbfreeurb(urb) is a use after free of the "urb" pointer. Store the "dev" pointer at the start of the function to avoid this issue.
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-2024-50267?
CVE-2024-50267 has a medium severity rating due to the use after free vulnerability in the Linux kernel.
How do I fix CVE-2024-50267?
To fix CVE-2024-50267, update the Linux kernel to a version where this vulnerability has been patched.
Which Linux kernel versions are affected by CVE-2024-50267?
CVE-2024-50267 affects various versions of the Linux kernel from 3.7 to 6.12-rc6.
What components are impacted by CVE-2024-50267?
CVE-2024-50267 specifically impacts the USB serial io_edgeport component of the Linux kernel.
Is CVE-2024-50267 exploitable remotely?
Yes, CVE-2024-50267 could potentially be exploited remotely under certain conditions, making it a security concern.