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.
Published Feb 28, 2023 · updated Oct 14, 2026 · linux linux kernel
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.
Timeline
Detection, updates, and resolution for this record.
Feb 28, 2023 · NIST NVD
Detected
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.
Oct 14, 2026 · NIST NVD
Updated
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.
Affected
- cpe linux/linux kernelversion unspecified
- cpe redhat/enterprise linux8.0
- cpe redhat/enterprise linux9.0
Sources
- CVE.orgCVE-2023-1095
Official CVE identifier
cve.org - FIRST EPSSCVE-2023-1095
30-day exploitation probability 0.2%
first.org - NIST NVDCVE-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 deref
nvd.nist.gov