01 Record

CVE-2022-40768

drivers/scsi/stex.c in the Linux kernel through 5.19.9 allows local users to obtain sensitive information from kernel memory because stex_queuecommand_lck lacks a memset for the PASSTHRU_CMD case.

UnratedPUBLISHEDCNA: mitre

CNA base scoreUnratedNo CNA CVSS vector

View raw JSON

02 Description

drivers/scsi/stex.c in the Linux kernel through 5.19.9 allows local users to obtain sensitive information from kernel memory because stex_queuecommand_lck lacks a memset for the PASSTHRU_CMD case.

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 0.30% probability of exploitation activity in the next 30 days.
EPSS percentile: Equal to or higher than the score of 22.4% of scored records. A rank, not a probability.
NVD base score: 5.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD analysis status: Modified. NVD last modified this record on 2026-10-14.
Red Hat severity: Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2022-09-18 00:00Z4 YR AGO

Last updated

2026-10-14 18:06Z14 DAYS AGO

Reserved

2022-09-18

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

CWE-908Use of Uninitialized ResourceBase

Data version

5.2

Document digest

683c491411a95606bb387e789df19682c16e7666f25ebcda67f3b5bd106025fb

05 Affected products

VendorProductVersionsPlatforms

debiandebian_linuxNot specified—

fedoraprojectfedoraNot specified—

linuxlinux_kernelNot specified—

redhatenterprise_linuxNot specified—

06 References

www.openwall.comhttps://www.openwall.com/lists/oss-security/2022/09/09/1
lore.kernel.orghttps://lore.kernel.org/all/20220908145154.2284098-1-gregkh%40linuxfoundation.org/
git.kernel.orghttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/log/drivers/scsi/stex.c
www.openwall.com[oss-security] 20220919 Re: Linux kernel: information disclosure in stex_queuecommand_lckhttp://www.openwall.com/lists/oss-security/2022/09/19/1mailing-list
lists.fedoraproject.orgFEDORA-2022-2cfbe17910https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GGHENNMLCWIQV2LLA56BJNFIUZ7WB4IY/vendor-advisory
lists.fedoraproject.orgFEDORA-2022-b948fc3cfbhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VNN3VFQPECS6D4PS6ZWD7AFXTOSJDSSR/vendor-advisory
lists.fedoraproject.orgFEDORA-2022-1a5b125ac6https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/S2KTU5LFZNQS7YNGE56MT46VHMXL3DD2/vendor-advisory
lists.debian.org[debian-lts-announce] 20221223 [SECURITY] [DLA 3245-1] linux security updatehttps://lists.debian.org/debian-lts-announce/2022/12/msg00034.htmlmailing-list
git.kernel.orghttps://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6022f210461fef67e6e676fd8544ca02d1bcfa7a
cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-794697.html

07 Fixed in

Arch Linux

linux
Fixed in 6.2-1

Source: Arch Linux Security Tracker, the Arch Linux security team. Reformatted by exploit.cc.

Debian 12

linux
Fixed in 6.0.2-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 13

linux
Fixed in 6.0.2-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 14

linux
Fixed in 6.0.2-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.