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CVE-2015-7837 (GCVE-0-2015-7837)

Vulnerability from cvelistv5 – Published: 2017-09-19 16:00 – Updated: 2024-08-06 07:58
VLAI
Summary
The Linux kernel, as used in Red Hat Enterprise Linux 7, kernel-rt, and Enterprise MRG 2 and when booted with UEFI Secure Boot enabled, allows local users to bypass intended securelevel/secureboot restrictions by leveraging improper handling of secure_boot flag across kexec reboot.
Severity
5.5 (Medium)
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
CWE
  • n/a
Assigner
References
Date Public
2015-10-06 00:00
Show details on NVD website
To clipboard 

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    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-06-28T08:29:02+00:00",
      "cve": "CVE-2015-7837",
      "id": "CVE-2015-7837",
      "initial_release_date": "2015-10-14T00:00:00+00:00",
      "product_status:fixed": "173",
      "product_status:known_affected": "12",
      "product_status:known_not_affected": "15",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: securelevel disabled after kexec",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2015/cve-2015-7837.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-07-26T01:11:03Z",
      "cve": "CVE-2015-7837",
      "id": "CVE-2015-7837",
      "initial_release_date": "2023-02-15T05:13:13Z",
      "product_status:known_affected": "30",
      "product_status:known_not_affected": "91",
      "product_status:recommended": "12",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2015-7837",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2015-7837.json",
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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.

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • 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.


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