NULL Pointer Dereference Affecting kernel-rt-modules-extra package, versions <0:4.18.0-477.10.1.rt7.274.el8_8
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Test your applications- Snyk ID SNYK-CENTOS8-KERNELRTMODULESEXTRA-3336603
- published 1 Mar 2023
- disclosed 9 Aug 2022
Introduced: 9 Aug 2022
CVE-2023-1095 Open this link in a new tabHow to fix?
Upgrade Centos:8 kernel-rt-modules-extra to version 0:4.18.0-477.10.1.rt7.274.el8_8 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.
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.