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.
Fix
Patch, vendor advisory and mitigation references on NVD 4
- https://bugzilla.redhat.com/show_bug.cgi?id=2173973 Issue Tracking, Patch, Third Party Advisory
- https://github.com/torvalds/linux/commit/580077855a40741cf511766129702d97ff02f4d9 Patch
- https://bugzilla.redhat.com/show_bug.cgi?id=2173973 Issue Tracking, Patch, Third Party Advisory
- https://github.com/torvalds/linux/commit/580077855a40741cf511766129702d97ff02f4d9 Patch
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 5.5 · linux, redhatNVD modified 2026-10-14 21:17
Affected (CPE criteria) 3
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
References 5
- https://bugzilla.redhat.com/show_bug.cgi?id=2173973 Issue Tracking, Patch, Third Party Advisory
- https://github.com/torvalds/linux/commit/580077855a40741cf511766129702d97ff02f4d9 Patch
- https://bugzilla.redhat.com/show_bug.cgi?id=2173973 Issue Tracking, Patch, Third Party Advisory
- https://github.com/torvalds/linux/commit/580077855a40741cf511766129702d97ff02f4d9 Patch
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html