CVE-2023-52701

The CVE-2023-52701 entry concerns Linux kernel net handling: copying skb marks and skb_cb data led to a memory exposure via usercopy checks, observed as a kernel crash on arm64 when CONFIG_HARDENED_USERCOPY=y. Root cause: copying data from skb->cb[] and skb->mark can bypass size checks; pat...

CVE-2023-52701: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net: use a bounce buffer for copying skb-mark syzbot found arm64 builds would crash in sockrecvmark when CONFIGHARDENEDUSERCOPY=y x86 and powerpc are not detecting the issue because they define useraccessbegin. This will be handl...