PT-2024-11403 · Linux+2 · Linux Kernel+2
Published
2021-09-03
·
Updated
2025-04-18
·
CVE-2021-47407
CVSS v3.1
5.5
Medium
| Vector | AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
The issue is related to the KVM: x86: Handle SRCU initialization failure during page track init. It involves checking the return of
init srcu struct(), which can fail due to OOM when initializing the page track mechanism. Lack of checking leads to a NULL pointer deref found by a modified syzkaller.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
NULL Pointer Dereference
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Weakness Enumeration
Related Identifiers
Affected Products
Astra Linux
Linux Kernel
Suse