vulnerability

VMware Photon OS: CVE-2021-34556

Severity
2
CVSS
(AV:L/AC:L/Au:N/C:P/I:N/A:N)
Published
Aug 2, 2021
Added
Jan 20, 2025
Modified
Feb 9, 2026

Description

In the Linux kernel through 5.13.7, an unprivileged BPF program can obtain sensitive information from kernel memory via a Speculative Store Bypass side-channel attack because the protection mechanism neglects the possibility of uninitialized memory locations on the BPF stack.

Solution

vmware-photon_os_update_tdnf
Title
NEW

Explore Exposure Command

Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.