VULNERABILITY INTELLIGENCE
CVE-2023-4015
CVSS score7.8 HIGH
EPSS probability0.29%
CISA KEVNot currently listed
Published2023-09-06
Last modified2026-10-14
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Description
A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation. On an error when building a nftables rule, deactivating immediate expressions in nft_immediate_deactivate() can lead unbinding the chain and objects be deactivated but later used. We recommend upgrading past commit 0a771f7b266b02d262900c75f1e175c7fe76fec2.
Weakness classification
- cve-coordination@google.com: CWE-416
- nvd@nist.gov: CWE-416
Primary references
- cve-coordination@google.com — Issue Tracking, Mailing List, Patch, Vendor Advisory
- cve-coordination@google.com — Patch, Vendor Advisory
- cve-coordination@google.com — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Mailing List, Patch, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
- 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
- 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e