NULL pointer dereference in Linux Kernel
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.
EPSS: 0.002 (12.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Linux Linux_kernel
- Redhat Enterprise_linux — versions 8.0, 9.0
- N/a Linux Kernel Netfilter Subsystem. — versions Fixed in 6.0-rc1
Weakness classification (CWE)
References
- secalert@redhat.com (Patch, Third Party Advisory, Issue Tracking)
- secalert@redhat.com (Patch)
Frequently asked questions
- What is CVE-2023-1095?
- CVE-2023-1095 is a medium-severity vulnerability in Linux Kernel, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2023-02-28.
- How severe is CVE-2023-1095?
- Medium severity. CVSS v3 base score is 5.5 out of 10.