CVE-2022-47939 Information

Description

An issue was discovered in ksmbd in the Linux kernel before 5.19.2. fs/ksmbd/smb2pdu.c has a use-after-free and OOPS for SMB2_TREE_DISCONNECT.

Reference

https://github.com/torvalds/linux/commit/cf6531d98190fa2cf92a6d8bbc8af0a4740a223c https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2 https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cf6531d98190fa2cf92a6d8bbc8af0a4740a223c http://www.openwall.com/lists/oss-security/2022/12/23/10