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CVE-2022-40768 (GCVE-0-2022-40768)

Vulnerability from cvelistv5 – Published: 2022-09-18 00:00 – Updated: 2024-08-03 12:28
VLAI
Summary
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.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-02-18T17:01:52+00:00",
      "cve": "CVE-2022-40768",
      "id": "CVE-2022-40768",
      "initial_release_date": "2022-09-09T00:00:00+00:00",
      "product_status:known_affected": "42",
      "product_status:known_not_affected": "156",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: leak of sensitive information due to uninitialized data in stex_queuecommand_lck() in drivers/scsi/stex.c",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-40768.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-03T00:41:31Z",
      "cve": "CVE-2022-40768",
      "id": "CVE-2022-40768",
      "initial_release_date": "2023-02-15T03:23:34Z",
      "product_status:known_affected": "255",
      "product_status:recommended": "1464",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2022-40768",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2022-40768.json",
      "version": "44"
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}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


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