CVE-2023-1095

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.

• CWE-476
• CWE-476

• https://bugzilla.redhat.com/show_bug.cgi?id=2173973Issue Tracking, Patch, Third Party Advisory
• https://github.com/torvalds/linux/commit/580077855a40741cf511766129702d97ff02f4d9Patch
• https://bugzilla.redhat.com/show_bug.cgi?id=2173973Issue Tracking, Patch, Third Party Advisory
• https://github.com/torvalds/linux/commit/580077855a40741cf511766129702d97ff02f4d9Patch

Published

Feb 28, 2023

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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