kernel/bpf/verifier.c in the Linux kernel through 5.12.1 performs undesirable speculative loads, leading to disclosure of stack content via side-channel attacks, aka CID-801c6058d14a. The specific concern is not protecting the BPF stack area against speculative loads. Also, the BPF stack can contain uninitialized data that might represent sensitive information previously operated on by the kernel.
Metrics
Affected Vendors & Products
References
History
No history.
MITRE
Status: PUBLISHED
Assigner: mitre
Published: 2021-05-06T15:43:01
Updated: 2024-08-03T23:10:30.728Z
Reserved: 2021-04-27T00:00:00
Link: CVE-2021-31829
Vulnrichment
No data.
NVD
Status : Modified
Published: 2021-05-06T16:15:07.493
Modified: 2023-11-07T03:35:01.240
Link: CVE-2021-31829
Redhat