CVE-2023-1095 is a NULL pointer dereference vulnerability in the Linux kernel's nf_tables_updtable function, affecting various Linux distributions including Red Hat Enterprise Linux. This flaw occurs when an error during table enablement leads to an attempt to remove a transaction object from a list it was never added to. With a CVSS score of 5.5 (Medium), this vulnerability can be exploited locally with low privileges to cause a denial of service (system crash). There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 6.0CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
8.0CPE matchmatch criteria | cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* | ||
9.0CPE matchmatch criteria | cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
CVE-2023-1095
Mar 14, 2023In 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.
Feb 14, 2023kernel: netfilter: NULL pointer dereference in nf_tables due to zeroed list head
Aug 9, 2022