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NULL Pointer Dereference Affecting kernel-rt-debug-modules package, versions <0:4.18.0-80.7.1.rt9.153.el8_0

Severity

 Recommended
high

Based on CentOS security rating

    Threat Intelligence

    EPSS
    1.68% (89th percentile)

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  • Snyk ID SNYK-CENTOS8-KERNELRTDEBUGMODULES-1986569
  • published 26 Jul 2021
  • disclosed 7 May 2019
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Introduced: 7 May 2019

CVE-2019-11810 Open this link in a new tab
CWE-476 Open this link in a new tab

How to fix?

Upgrade Centos:8 kernel-rt-debug-modules to version 0:4.18.0-80.7.1.rt9.153.el8_0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-debug-modules package and not the kernel-rt-debug-modules package as distributed by Centos. See How to fix? for Centos:8 relevant fixed versions and status.

An issue was discovered in the Linux kernel before 5.0.7. A NULL pointer dereference can occur when megasas_create_frame_pool() fails in megasas_alloc_cmds() in drivers/scsi/megaraid/megaraid_sas_base.c. This causes a Denial of Service, related to a use-after-free.

References

CVSS Scores

version 3.1
Expand this section

NVD

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