Use After Free in Linux Kernel
CVE-2023-4132
A use-after-free vulnerability was found in the siano smsusb module in the Linux kernel. The bug occurs during device initialization when the siano device is plugged in. This flaw allows a local user to crash the system, causing a denial of service condition.
Vulnerability class: Use-After-Free
EPSS: 0.003 (17.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Linux Linux_kernel
- Debian Debian_linux — versions 10.0, 11.0, 12.0
- Fedoraproject Fedora
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8 — versions 0:4.18.0-513.5.1.rt7.307.el8_9, 0:4.18.0-513.5.1.el8_9
- Red Hat Enterprise Linux 8.6 Extended Update Support — versions 0:4.18.0-372.91.1.el8_6
- Red Hat Enterprise Linux 8.8 Extended Update Support — versions 0:4.18.0-477.43.1.el8_8
- Red Hat Enterprise Linux 9
- Red Hat Virtualization 4 For Enterprise Linux 8 — versions 0:4.18.0-372.91.1.el8_6
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, Third Party Advisory, vdb-entry)
- secalert@redhat.com (x_refsource_REDHAT, issue-tracking, Third Party Advisory, Issue Tracking)
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2023-4132?
- CVE-2023-4132 is a medium-severity vulnerability in Linux Kernel, classified under Use After Free. CVSS score: 5.5/10. Published 2023-08-03.
- How severe is CVE-2023-4132?
- Medium severity. CVSS v3 base score is 5.5 out of 10.