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Access Restriction Bypass Affecting kernel-uek-debug package, versions <0:2.6.39-400.250.2.el5uek

Severity

 Recommended
high

Based on Oracle Linux security rating

    Threat Intelligence

    EPSS
    0.06% (29th percentile)

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  • Snyk ID SNYK-ORACLE5-KERNELUEKDEBUG-2504041
  • published 10 Apr 2022
  • disclosed 12 Mar 2015
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Introduced: 12 Mar 2015

CVE-2015-2150 Open this link in a new tab
CWE-264 Open this link in a new tab

How to fix?

Upgrade Oracle:5 kernel-uek-debug to version 0:2.6.39-400.250.2.el5uek or higher.
This issue was patched in ELSA-2015-3036.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-uek-debug package and not the kernel-uek-debug package as distributed by Oracle. See How to fix? for Oracle:5 relevant fixed versions and status.

Xen 3.3.x through 4.5.x and the Linux kernel through 3.19.1 do not properly restrict access to PCI command registers, which might allow local guest OS users to cause a denial of service (non-maskable interrupt and host crash) by disabling the (1) memory or (2) I/O decoding for a PCI Express device and then accessing the device, which triggers an Unsupported Request (UR) response.

References

CVSS Scores

version 3.1
Expand this section

NVD

6.2 medium
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    None
  • Availability (A)
    High