NULL Pointer Dereference Affecting kernel-rt-trace-devel package, versions *


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.04% (10th percentile)

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  • Snyk ID SNYK-CENTOS7-KERNELRTTRACEDEVEL-3336737
  • published 1 Mar 2023
  • disclosed 9 Aug 2022

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.

In nf_tables_updtable, if nf_tables_table_enable returns an error, nft_trans_destroy is called to free the transaction object. nft_trans_destroy() calls list_del(), but the transaction was never placed on a list -- the list head is all zeroes, this results in a NULL pointer dereference.

CVSS Scores

version 3.1
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NVD

5.5 medium
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SUSE

5.1 medium
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Red Hat

5.5 medium