CVE-2025-68234: io_uring/cmd_net: fix wrong argument types for skb_queue_splice()
In the Linux kernel, the following vulnerability has been resolved:
iouring/cmdnet: fix wrong argument types for skbqueuesplice()
If timestamp retriving needs to be retried and the local list of SKB's already has entries, then it's spliced back into the socket queue. However, the arguments for the splice helper are transposed, causing exactly the wrong direction of splicing into the on-stack list. Fix that up.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2025-68234?
The severity of CVE-2025-68234 is classified as medium due to the potential for denial of service.
How do I fix CVE-2025-68234?
To fix CVE-2025-68234, update to the latest stable version of the Linux kernel where the vulnerability has been addressed.
What causes CVE-2025-68234 in the Linux kernel?
CVE-2025-68234 is caused by incorrect argument types being passed to skb_queue_splice(), which can lead to improper handling of socket buffers.
Which versions of the Linux kernel are affected by CVE-2025-68234?
CVE-2025-68234 affects various versions of the Linux kernel prior to the patch being applied.
Is CVE-2025-68234 remotely exploitable?
CVE-2025-68234 is not considered remotely exploitable but can affect the system's stability if triggered.