Kernel: smsusb: use-after-free caused by do_submit_urb()

5.5 CVSS

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

Red Hat would like to thank Duoming Zhou for reporting this issue.

References

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Affected Vendor

Red Hat

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Affected Software

Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 8.6 Extended Update Support, Red Hat Enterprise Linux 8.8 Extended Update Support, Red Hat Virtualization 4 for Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 9

Vulnerable Versions:

0:4.18.0-513.5.1.rt7.307.el8_9, 0:4.18.0-513.5.1.el8_9, 0:4.18.0-372.91.1.el8_6, 0:4.18.0-477.43.1.el8_8