CVE-2023-4004

critical

Description

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.

References

https://patchwork.ozlabs.org/project/netfilter-devel/patch/[email protected]/

https://bugzilla.redhat.com/show_bug.cgi?id=2225275

https://access.redhat.com/security/cve/CVE-2023-4004

https://access.redhat.com/errata/RHSA-2023:7434

https://access.redhat.com/errata/RHSA-2023:7431

https://access.redhat.com/errata/RHSA-2023:7417

https://access.redhat.com/errata/RHSA-2023:7411

https://access.redhat.com/errata/RHSA-2023:7389

https://access.redhat.com/errata/RHSA-2023:7382

https://access.redhat.com/errata/RHSA-2023:5627

https://access.redhat.com/errata/RHSA-2023:5548

https://access.redhat.com/errata/RHSA-2023:5255

https://access.redhat.com/errata/RHSA-2023:5244

https://access.redhat.com/errata/RHSA-2023:5221

https://access.redhat.com/errata/RHSA-2023:5093

https://access.redhat.com/errata/RHSA-2023:5091

https://access.redhat.com/errata/RHSA-2023:5069

https://access.redhat.com/errata/RHSA-2023:4967

https://access.redhat.com/errata/RHSA-2023:4962

https://access.redhat.com/errata/RHSA-2023:4961

Details

Source: Mitre, NVD

Published: 2023-07-31

Updated: 2024-09-13

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High

CVSS v4

Base Score: 9.3

Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Severity: Critical