CVE-2022-48804 - CVE House
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Status published Medium CVE-2022-48804

vt_ioctl: fix array_index_nospec in vt_setactivate

Vulnerability Description

In the Linux kernel, the following vulnerability has been resolved: vt_ioctl: fix array_index_nospec in vt_setactivate array_index_nospec ensures that an out-of-bounds value is set to zero on the transient path. Decreasing the value by one afterwards causes a transient integer underflow. vsa.console should be decreased first and then sanitized with array_index_nospec. Kasper Acknowledgements: Jakob Koschel, Brian Johannesmeyer, Kaveh Razavi, Herbert Bos, Cristiano Giuffrida from the VUSec group at VU Amsterdam.

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

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

Linux
Vulnerable Versions:
0ec459ec174031fad02a55e622cf2fc0d2e75a25, 4334a6ae867aa12f01c1755368fd0de4c926ac75, e97267cb4d1ee01ca0929638ec0fcbb0904f903d, 458697ab18b512445ac273ce68a9f8fd623fc0a3, 1aa698b65186c13ed775896ed1dfec7c26c73d60, 52ef74c21c277e50de771fc722d814a830b3036b, 4.9.130, 4.14.73, 3.16.62, 4.4.159, 4.18.11, 4.19, 0, 4.9.302, 4.14.267, 4.19.230, 5.4.180, 5.10.101, 5.15.24, 5.16.10, 5.17

Timeline

Official Publish: July 16th, 2024
Last Modified: May 23rd, 2026
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.