CVE-2023-39189
MEDIUM
MEDIUM
Priority: 0.02
BB Relevance:
32/100
Published: 2023-10-09
Modified: 2026-11-07
First seen: 2026-11-07
Status: active
Attack Surface
Low Complexity
No Interaction
Conf. Impact
CVSS Vector Breakdown
AV:
Local
AC:
Low
PR:
High
UI:
None
S:
Unchanged
C:
High
I:
None
A:
High
Description
A flaw was found in the Netfilter subsystem in the Linux kernel. The nfnl_osf_add_callback function did not validate the user mode controlled opt_num field. This flaw allows a local privileged (CAP_NET_ADMIN) attacker to trigger an out-of-bounds read, leading to a crash or information disclosure.
Weakness Classification (1)
Affected Software (4)
| Vendor | Product | Version |
|---|---|---|
| fedoraproject | fedora | 38 |
| linux | linux_kernel | < 6.6 |
| redhat | enterprise_linux | 8.0 |
| redhat | enterprise_linux | 9.0 |
References & Advisories (8)
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