Vulnerability Monitor

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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.

Published

2023-10-09T18:15:10.233

Last Modified

2024-11-21T08:14:53.120

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.7 (MEDIUM)

Weaknesses

Type: Secondary
CWE-125
Type: Primary
CWE-125

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	linux	linux_kernel	< 6.6	Yes
Operating System	redhat	enterprise_linux	8.0	Yes
Operating System	fedoraproject	fedora	38	Yes

References

https://access.redhat.com/errata/RHSA-2024:2950 ([email protected])
https://access.redhat.com/errata/RHSA-2024:3138 ([email protected])
https://access.redhat.com/security/cve/CVE-2023-39192 Third Party Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=2226784 Issue Tracking, Patch, Third Party Advisory ([email protected])
https://www.zerodayinitiative.com/advisories/ZDI-CAN-18408/ Third Party Advisory, VDB Entry ([email protected])
https://access.redhat.com/errata/RHSA-2024:2950 (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/errata/RHSA-2024:3138 (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/security/cve/CVE-2023-39192 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=2226784 Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html (af854a3a-2127-422b-91ae-364da2661108)
https://www.zerodayinitiative.com/advisories/ZDI-CAN-18408/ Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)