Security Bulletin: Linux ksmbd Vulnerability ZDI-22-1690

Audience
Public
Product
FlashBlade
FlashArray
Content Type
Source Type
Common Vulnerabilities and Exposures (CVE)

Security Bulletin: Linux ksmbd Vulnerability ZDI-22-1690

Vulnerability Status: Final Source: Third Party / OSS Initial Publication Date: 2022-12-23 Last Updated: 2026-06-25 06:26:16

Summary:

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.


CVE#: CVE-2022-47939

Vulnerability score (v3): 9.8

Vector (v3): 3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity (v3): 1 - Critical

Product(s): FlashArray, FlashBlade

Version First Fixed: Not affected


References:

https://nvd.nist.gov/vuln/detail/CVE-2022-47939