CVE-2023-5972
Kernel: the nfta_inner_num and nfta_expr_name netlink attributes accessed without checking its presence in nft_inner.c
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
A null pointer dereference flaw was found in the nft_inner.c functionality of netfilter in the Linux kernel. This issue could allow a local user to crash the system or escalate their privileges on the system.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| redhatCNA (assigner) | 3.1 | High7.0 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.28% · top 80% of all CVEs (6 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.0.
Weakness
Affected products
kernel
All versions: affected
Red Hat · Red Hat Enterprise Linux 6
All versions: unaffected
Red Hat · Red Hat Enterprise Linux 7
All versions: unaffected
Red Hat · Red Hat Enterprise Linux 7
All versions: unaffected
Red Hat · Red Hat Enterprise Linux 8
All versions: unaffected
Red Hat · Red Hat Enterprise Linux 8
All versions: unaffected
Red Hat · Red Hat Enterprise Linux 9
All versions: unaffected
Red Hat · Red Hat Enterprise Linux 9
All versions: unaffected
All versions: affected
References (4)
- https://access.redhat.com/security/cve/CVE-2023-5972 (opens in a new tab)vdb-entryx_refsource_REDHATx_transferred
- RHBZ#2248189 (opens in a new tab)issue-trackingx_refsource_REDHATx_transferred
- https://github.com/torvalds/linux/commit/505ce0630ad5d31185695f8a29dde8d29f28faa7 (opens in a new tab)x_transferred
- https://github.com/torvalds/linux/commit/52177bbf19e6e9398375a148d2e13ed492b40b80 (opens in a new tab)x_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2023-5972)Record last updated .