Unrated
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.
Announced Source revision 1
Original source ↗CVE-2021-34556
Primary source · Revision 1
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
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"vendor": "n/a",
"product": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
]- Related CVEs
- CVE-2021-34556
Source reference:
/cveMetadata/cveId
Publisher severity
No explicit severity was provided.
- Event
- #15850 · Revision 1
- Added to Heist Feed
- Publisher date