CVE-2022-47939

Published: Dec 23, 2022

Modified: Apr 14, 2025

PUBLISHED

Description

An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. fs/ksmbd/smb2pdu.c has a use-after-free and OOPS for SMB2_TREE_DISCONNECT.

Vendor	Product	Versions
n/a	n/a	affected `n/a`

References

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2

https://github.com/torvalds/linux/commit/cf6531d98190fa2cf92a6d8bbc8af0a4740a223c

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

https://www.zerodayinitiative.com/advisories/ZDI-22-1690/

https://www.secpod.com/blog/zero-day-server-message-block-smb-server-in-linux-kernel-5-15-has-a-critical-vulnerability-patch-ksmbd-immediately/

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CVE-2022-47939

Description

Affected Products

References