Vulnerability Details : CVE-2023-39192
A flaw was found in the Netfilter subsystem in the Linux kernel. The xt_u32 module did not validate the fields in the xt_u32 structure. This flaw allows a local privileged attacker to trigger an out-of-bounds read by setting the size fields with a value beyond the array boundaries, leading to a crash or information disclosure.
Vulnerability category: Information leak
Products affected by CVE-2023-39192
- cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-39192
0.38%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 72 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-39192
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 | |
6.7
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:L |
1.5
|
4.7
|
Red Hat, Inc. |
CWE ids for CVE-2023-39192
-
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-2023-39192
-
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://access.redhat.com/security/cve/CVE-2023-39192
CVE-2023-39192- Red Hat Customer PortalThird Party Advisory
-
https://bugzilla.redhat.com/show_bug.cgi?id=2226784
2226784 – (CVE-2023-39192, ZDI-CAN-18408) CVE-2023-39192 kernel: netfilter: xtables out-of-bounds read in u32_match_it()Issue Tracking;Patch;Third Party Advisory
-
https://www.zerodayinitiative.com/advisories/ZDI-CAN-18408/
ZDI-23-1490 | Zero Day InitiativeThird Party Advisory;VDB Entry
-
https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html
[SECURITY] [DLA 3710-1] linux security update
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