CVE-2023-4004
High
CVE-2023-4004
A use-after-free flaw was found in the Linux kernel's netfilter in the way a user triggers the nft_pipapo_remove function with the element, without a NFT_SET_EXT_KEY_END. This issue could allow a local user to crash the system or potentially escalate their privileges on the system.
Exploit probability
0.9%
Published
July 31, 2023
Required by
Not available
Last source change
April 16, 2026
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2023-4004
View original source
A use-after-free flaw was found in the Linux kernel's netfilter in the way a user triggers the nft_pipapo_remove function with the element, without a NFT_SET_EXT_KEY_END. This issue could allow a local user to crash the system or potentially escalate their privileges on the system.
05 / REFERENCES
Further evidence
- http://packetstormsecurity.com/files/175072/Kernel-Live-Patch-Security-Notice-LSN-0098-1.html
- http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html
- https://access.redhat.com/errata/RHSA-2023:4961
- https://access.redhat.com/errata/RHSA-2023:4962
- https://access.redhat.com/errata/RHSA-2023:4967
- https://access.redhat.com/errata/RHSA-2023:5069
- https://access.redhat.com/errata/RHSA-2023:5091
- https://access.redhat.com/errata/RHSA-2023:5093
- https://access.redhat.com/errata/RHSA-2023:5221
- https://access.redhat.com/errata/RHSA-2023:5244
- https://access.redhat.com/errata/RHSA-2023:5255
- https://access.redhat.com/errata/RHSA-2023:5548
- https://access.redhat.com/errata/RHSA-2023:5627
- https://access.redhat.com/errata/RHSA-2023:7382
- https://access.redhat.com/errata/RHSA-2023:7389
- https://access.redhat.com/errata/RHSA-2023:7411
- https://access.redhat.com/errata/RHSA-2023:7417
- https://access.redhat.com/errata/RHSA-2023:7431
- https://access.redhat.com/errata/RHSA-2023:7434
- https://access.redhat.com/security/cve/CVE-2023-4004
- https://bugzilla.redhat.com/show_bug.cgi?id=2225275
- https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
- https://patchwork.ozlabs.org/project/netfilter-devel/patch/[email protected]/
- https://security.netapp.com/advisory/ntap-20231027-0001/
- https://www.debian.org/security/2023/dsa-5480
- https://www.debian.org/security/2023/dsa-5492