Resource Exhaustion Affecting kernel-rt-modules-extra package, versions <0:4.18.0-240.rt7.54.el8


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.07% (34th percentile)

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  • Snyk ID SNYK-CENTOS8-KERNELRTMODULESEXTRA-2076618
  • published 26 Jul 2021
  • disclosed 5 Oct 2019

How to fix?

Upgrade Centos:8 kernel-rt-modules-extra to version 0:4.18.0-240.rt7.54.el8 or higher.

NVD Description

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

A memory leak in the mwifiex_pcie_alloc_cmdrsp_buf() function in drivers/net/wireless/marvell/mwifiex/pcie.c in the Linux kernel through 5.3.11 allows attackers to cause a denial of service (memory consumption) by triggering mwifiex_map_pci_memory() failures, aka CID-db8fd2cde932.

CVSS Scores

version 3.1
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NVD

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

4.7 medium
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SUSE

4.7 medium