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CVE-2021-34556
Published: Aug 2, 2021
Modified: Aug 4, 2024
PUBLISHED
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.
| Vendor | Product | Versions |
|---|---|---|
n/a | n/a | affected n/a |
References
http://www.openwall.com/lists/oss-security/2021/08/01/3
x_refsource_MISC
FEDORA-2021-4d4d3866ca
vendor-advisory
x_refsource_FEDORA
FEDORA-2021-54ee631709
vendor-advisory
x_refsource_FEDORA
[debian-lts-announce] 20211015 [SECURITY] [DLA 2785-1] linux-4.19 security update
mailing-list
x_refsource_MLIST
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