CVE-2024-40958

In the Linux kernel, the following vulnerability has been resolved: netns: Make getnetns handle zero refcount net Syzkaller hit a warning: refcountt: addition on 0; use-after-free. WARNING: CPU: 3 PID: 7890 at lib/refcount.c:25 refcountwarnsaturate+0xdf/0x1d0 Modules linked in: CPU: 3 PID: 7890...

It was discovered that the cls_route filter implementation in the Linux kernel would not remove an old filter from the hashtable before freeing it if its handle had the value 0.

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SUSE CVE-2022-2588

It was discovered that the clsroute filter implementation in the Linux kernel would not remove an old filter from the hashtable before freeing it if its handle had the value 0...

PT-2022-34242 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v5.4.211 Description: The issue is related to the net sched: cls route component. It has been noted that when the handle is 0, removal from the list is necessary. The actual impact and potential for attack have...