CVE-2026-23282

MEDIUM

smb: client: fix oops due to uninitialised var in smb2_unlink()

Title source: cna
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix oops due to uninitialised var in smb2_unlink() If SMB2_open_init() or SMB2_close_init() fails (e.g. reconnect), the iovs set @rqst will be left uninitialised, hence calling SMB2_open_free(), SMB2_close_free() or smb2_set_related() on them will oops. Fix this by initialising @close_iov and @open_iov before setting them in @rqst.

Scores

CVSS v3 5.5
EPSS 0.0001
EPSS Percentile 3.3%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-908
Status published
Products (14)
linux/Kernel 6.17.0 - 6.18.17linux
linux/Kernel 6.19.0 - 6.19.7linux
Linux/Linux < 6.17
Linux/Linux 1cf9f2a6a544288516a7b9e883a48eba6246bcf2 - 048efe129a297256d3c2088cf8d79515ff5ec864
Linux/Linux 1cf9f2a6a544288516a7b9e883a48eba6246bcf2 - 86163b98891aa9800f6103252e5acc7bb98afb91
Linux/Linux 1cf9f2a6a544288516a7b9e883a48eba6246bcf2 - dc710c87af3341554d02d634ada1d2036c49a94a
Linux/Linux 6.17
Linux/Linux 6.18.17 - 6.18.*
Linux/Linux 6.19.7 - 6.19.*
Linux/Linux 7.0
... and 4 more
Published Mar 25, 2026
Tracked Since Mar 25, 2026