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Memory Leak Affecting kernel-rt-debug-kvm package, versions <0:3.10.0-1160.rt56.1131.el7

Severity

 Recommended
high

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.05% (19th percentile)

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  • Snyk ID SNYK-CENTOS7-KERNELRTDEBUGKVM-2175962
  • published 26 Jul 2021
  • disclosed 14 Apr 2020
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Introduced: 14 Apr 2020

CVE-2020-12770 Open this link in a new tab
CWE-401 Open this link in a new tab
CWE-416 Open this link in a new tab

How to fix?

Upgrade Centos:7 kernel-rt-debug-kvm to version 0:3.10.0-1160.rt56.1131.el7 or higher.

NVD Description

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

An issue was discovered in the Linux kernel through 5.6.11. sg_write lacks an sg_remove_request call in a certain failure case, aka CID-83c6f2390040.

References

CVSS Scores

version 3.1
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NVD

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

6.7 medium
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SUSE

6.1 medium