CVE-2021-34556
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.
Structured advisory · Revision 1Original source
Evidence and details
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2021-34556
n/a
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
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- Prerequisites
- Not stated in this record
- Related CVEs
- CVE-2021-34556
Source reference:
/cveMetadata/cveId
Publisher severity
No explicit severity was provided.