CVE-2022-47938

Description

An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. fs/ksmbd/smb2misc.c has an out-of-bounds read and OOPS for SMB2_TREE_CONNECT.

References

• https://euvd.enisa.europa.eu/vulnerability/EUVD-2022-50671
• https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2
• https://github.com/torvalds/linux/commit/824d4f64c20093275f72fc8101394d75ff6a249e
• https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=824d4f64c20093275f72fc8101394d75ff6a249e
• https://www.zerodayinitiative.com/advisories/ZDI-22-1689/
• http://www.openwall.com/lists/oss-security/2022/12/23/10