CVE-2022-47938

medium

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

Advisories
More

https://www.zerodayinitiative.com/advisories/ZDI-22-1689/

https://github.com/torvalds/linux/commit/824d4f64c20093275f72fc8101394d75ff6a249e

http://www.openwall.com/lists/oss-security/2022/12/23/10

https://github.com/openwrt/openwrt/releases/tag/v22.03.4

https://github.com/Live-Hack-CVE/CVE-2022-47938

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=824d4f64c20093275f72fc8101394d75ff6a249e

https://euvd.enisa.europa.eu/vulnerability/EUVD-2022-50671

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

Details

Source: Mitre, NVD

Published: 2022-12-23

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 6.5

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H