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Out-of-bounds Read Affecting kernel-rt-trace-devel package, versions <0:3.10.0-1127.rt56.1093.el7

Severity

0.0
medium
0
10

    Threat Intelligence

    EPSS
    0.2% (58th percentile)

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  • Snyk ID SNYK-CENTOS7-KERNELRTTRACEDEVEL-2157379
  • published 26 Jul 2021
  • disclosed 12 Dec 2018
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Introduced: 12 Dec 2018

CVE-2018-19985 Open this link in a new tab
CWE-125 Open this link in a new tab

How to fix?

Upgrade Centos:7 kernel-rt-trace-devel to version 0:3.10.0-1127.rt56.1093.el7 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-trace-devel package and not the kernel-rt-trace-devel package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

The function hso_get_config_data in drivers/net/usb/hso.c in the Linux kernel through 4.19.8 reads if_num from the USB device (as a u8) and uses it to index a small array, resulting in an object out-of-bounds (OOB) read that potentially allows arbitrary read in the kernel address space.

CVSS Scores

version 3.1
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Snyk

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

4.6 medium
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SUSE

4 medium
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Red Hat

4.6 medium