CVE-2022-47943 Information

Description

An issue was discovered in ksmbd in the Linux kernel before 5.19.2. There is an out-of-bounds read and OOPS for SMB2_WRITE when there is a large length in the zero DataOffset case.

Reference

https://github.com/torvalds/linux/commit/ac60778b87e45576d7bfdbd6f53df902654e6f09 https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ac60778b87e45576d7bfdbd6f53df902654e6f09 https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2 http://www.openwall.com/lists/oss-security/2022/12/23/10