Vulnerability · 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 mems…
Published Sep 18, 2022 · catalog updated Oct 14, 2026 · Arch Linux Arch Linux
Check if you run it
No confirmed exploitation is on record for CVE-2022-40768. EPSS is 0.30%. Act only if a listed version of Arch Linux Arch Linux is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- Medium5.5
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.30%
- Remediation
- Advisory link
- Affected products
- cpe debian/debian linux · cpe fedoraproject/fedora · cpe linux/linux kernel
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.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- cpe debian/debian linux10.0
- cpe fedoraproject/fedora35
- cpe fedoraproject/fedora36
- cpe fedoraproject/fedora37
- cpe linux/linux kernelversion unspecified
How to fix CVE-2022-40768
Recommended remediation
A patch or advisory reference is linked. Open the original publisher for availability by product version.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2022-40768. EPSS is 0.30%. Act only if a listed version of Arch Linux Arch Linux is installed.
Which versions are affected?
Compare what you have installed with debian/debian linux 10.0. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
CWE-908: Use of Uninitialized Resource. EPSS 0.30%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
Timeline
Detection, updates, and resolution for this record.
Sep 18, 2022 · NIST NVD
Detected
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.
Oct 14, 2026 · NIST NVD
Updated
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.
Sources
- Arch Linux SecurityVendor advisoryCVE-2022-40768
CVE-2022-40768 is named on the public Arch Linux Security page.
security.archlinux.org - CVE.orgVulnerability recordCVE-2022-40768
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2022-40768
30-day exploitation probability 0.3%
first.org - NIST NVDVulnerability recordCVE-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.
nvd.nist.gov
References
Freshness
Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.