Vulnerability Details : CVE-2023-39189
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.
Vulnerability category: Information leak
Products affected by CVE-2023-39189
- cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-39189
0.40%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 73 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-39189
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
6.0
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H |
0.8
|
5.2
|
NIST | |
5.1
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:L |
0.8
|
4.2
|
Red Hat, Inc. |
CWE ids for CVE-2023-39189
-
The product reads data past the end, or before the beginning, of the intended buffer.Assigned by:
- nvd@nist.gov (Primary)
- secalert@redhat.com (Secondary)
References for CVE-2023-39189
-
https://access.redhat.com/errata/RHSA-2024:2950
RHSA-2024:2950 - Security Advisory - Red Hat Customer Portal
-
https://access.redhat.com/errata/RHSA-2024:3138
RHSA-2024:3138 - Security Advisory - Red Hat Customer Portal
-
https://bugzilla.redhat.com/show_bug.cgi?id=2226777
2226777 – (CVE-2023-39189, ZDI-CAN-18745) CVE-2023-39189 kernel: netfilter: nftables out-of-bounds read in nf_osf_match_one()Issue Tracking;Patch;Third Party Advisory
-
https://access.redhat.com/errata/RHSA-2024:2394
RHSA-2024:2394 - Security Advisory - Red Hat Customer Portal
-
https://access.redhat.com/security/cve/CVE-2023-39189
CVE-2023-39189- Red Hat Customer PortalThird Party Advisory
-
https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html
[SECURITY] [DLA 3710-1] linux security update
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