Vulnerability Description
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 Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 6.0 |
| Redhat | Enterprise Linux | 8.0 |
Related Weaknesses (CWE)
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2173973Issue TrackingPatchThird Party Advisory
- https://github.com/torvalds/linux/commit/580077855a40741cf511766129702d97ff02f4dPatch
- https://bugzilla.redhat.com/show_bug.cgi?id=2173973Issue TrackingPatchThird Party Advisory
- https://github.com/torvalds/linux/commit/580077855a40741cf511766129702d97ff02f4dPatch
FAQ
What is CVE-2023-1095?
CVE-2023-1095 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 place...
How severe is CVE-2023-1095?
CVE-2023-1095 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-1095?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Redhat Enterprise Linux.