PT-2022-3912

CVE-2022-36123

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Published

2022-07-01

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Updated

2026-10-21

Description by

CVSS 3.1
7.8
High
MetricsAV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 5.18.13
Description The issue is related to the clear bss function in the Linux kernel, which is associated with errors in clearing the initial symbol of the block (.bss). This can allow an attacker to cause a denial of service or gain privileges, specifically affecting Xen PV guest OS users.
Recommendations For Linux kernel versions prior to 5.18.13, update to version 5.18.13 or later to resolve the issue. As a temporary workaround, consider restricting access to Xen PV guest OS to minimize the risk of exploitation.
Exploitability
Exploit
Fix
Impacts
Researchers
Vendors
Affected products
Related identifiers
ALT-PU-2022-2290
ALT-PU-2022-2339
ALT-PU-2022-2915
ALT-PU-2022-2919
ALT-PU-2023-1684
ALT-PU-2023-1741
ALT-PU-2023-1814
ALT-PU-2023-4894
AZL-10451
CLSA-2026-1772815097
MGASA-2022-0278
MGASA-2022-0279
OESA-2022-1844
OESA-2022-1845
OESA-2022-1846
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