CVE-2022-40768 — Use of Uninitialized Resource in Linux

CWE-908 — Use of Uninitialized ResourceCWE-668 — Resource Exposure26 documents8 sources
Severity
5.5MEDIUMNVD
OSV7.8OSV7.0
EPSS
0.0%
top 97.03%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
6
Linux KernelDebian LinuxDebian Linux+3 more
Timeline
PublishedSep 18
Latest updateJun 15

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.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NExploitability: 1.8 | Impact: 3.6

Affected Packages6 packages

▶Debianlinux/linux_kernel< 5.10.148-1+3
▶Ubuntulinux/linux_kernel< 4.15.0-197.208+3
▶NVDlinux/linux_kernel5.19.9

Also affects: Debian Linux 10.0, Fedora 35, 36, 37

Patches

Patch: www.openwall.com ↗Patch: www.openwall.com ↗Patch: www.openwall.com ↗

🔴Vulnerability Details

12
OSV
linux-azure vulnerabilities↗2022-12-12
▶
OSV
linux, linux-aws, linux-kvm, linux-lts-xenial vulnerabilities↗2022-12-01
▶
OSV
linux-gcp-5.4 vulnerabilities↗2022-11-29
▶
OSV
linux-azure-fde, linux-gke, linux-gkeop, linux-raspi-5.4 vulnerabilities↗2022-11-18
▶
OSV
linux-gcp, linux-gcp-4.15 vulnerabilities↗2022-11-18
▶

📋Vendor Advisories

13
CISA ICS
Siemens SIMATIC S7-1500 TM MFP Linux Kernel↗2023-06-15
▶
Ubuntu
Linux kernel (Azure) vulnerabilities↗2022-12-12
▶
Ubuntu
Linux kernel vulnerabilities↗2022-12-01
▶
Ubuntu
Linux kernel (GCP) vulnerabilities↗2022-11-29
▶
Ubuntu
Linux kernel vulnerabilities↗2022-11-18
▶