CVE-2021-47081

kernel: habanalabs/gaudi: Fix a potential use after free in gaudi_memset_device_memory

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Severity

Moderate

Red Hat Product Security

4.4

CVSS 3.1

Review impact separately from score.

Published · March 1, 2024

Updated · August 5, 2026

Description

A use-after-free vulnerability was found in the Linux kernel, which affects the gaudi component and is caused by a reference attempt cb->id, which may have been previously freed during a call to the hl_cb_put() function.

Statement

Red Hat Enterprise Linux 8 and 9 are not affected by this vulnerability.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 4.4
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

CWE-416 · Use After Free