CVE-2023-4147
HIGH 1 PoC
MEDIUM
Priority: 0.04
BB Relevance:
51/100
Published: 2023-08-07
Modified: 2026-11-07
First seen: 2026-11-07
Status: active
Attack Surface
Low Complexity
No Interaction
Conf. Impact
Integ. Impact
CVSS Vector Breakdown
AV:
Local
AC:
Low
PR:
Low
UI:
None
S:
Unchanged
C:
High
I:
High
A:
High
Description
A use-after-free flaw was found in the Linux kernel’s Netfilter functionality when adding a rule with NFTA_RULE_CHAIN_ID. This flaw allows a local user to crash or escalate their privileges on the system.
Weakness Classification (1)
Affected Software (13)
| Vendor | Product | Version |
|---|---|---|
| debian | debian_linux | 10.0 |
| debian | debian_linux | 11.0 |
| debian | debian_linux | 12.0 |
| fedoraproject | fedora | 38 |
| linux | linux_kernel | 5.9 – 5.10.190 |
| linux | linux_kernel | 6.5 |
| linux | linux_kernel | 6.5 |
| linux | linux_kernel | 6.5 |
| redhat | enterprise_linux | 9.0 |
| redhat | enterprise_linux_eus | 9.2 |
| redhat | enterprise_linux_for_real_time | 9.0 |
| redhat | enterprise_linux_for_real_time_for_nfv | 9.0 |
| redhat | enterprise_linux_server_aus | 9.2 |
References & Advisories (14)
vendor-advisory
x_refsource_REDHAT
vendor-advisory
x_refsource_REDHAT
vendor-advisory
x_refsource_REDHAT
vendor-advisory
x_refsource_REDHAT
vendor-advisory
x_refsource_REDHAT
vendor-advisory
x_refsource_REDHAT
vdb-entry
x_refsource_REDHAT
issue-tracking
x_refsource_REDHAT