Resource Exhaustion Affecting kernel-rt-trace-devel package, versions *


Severity

0.0
medium
0
10

    Threat Intelligence

    EPSS
    0.05% (15th percentile)

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  • Snyk ID SNYK-CENTOS7-KERNELRTTRACEDEVEL-2001464
  • published 26 Jul 2021
  • disclosed 9 Dec 2019

How to fix?

There is no fixed version for Centos:7 kernel-rt-trace-devel.

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.

An issue was discovered in the Linux kernel before 5.4.7. The prb_calc_retire_blk_tmo() function in net/packet/af_packet.c can result in a denial of service (CPU consumption and soft lockup) in a certain failure case involving TPACKET_V3, aka CID-b43d1f9f7067.

CVSS Scores

version 3.1
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Snyk

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

5.5 medium
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SUSE

5.5 medium
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Red Hat

4.4 medium