CVE-2021-33624
- State
- Published
- Severity
- Not scored
- Published
- Jun 23, 2021
- Updated
- Oct 8, 2026
- Reserved
- May 28, 2021
Description
In kernel/bpf/verifier.c in the Linux kernel before 5.12.13, a branch can be mispredicted (e.g., because of type confusion) and consequently an unprivileged BPF program can read arbitrary memory locations via a side-channel attack, aka CID-9183671af6db.
Scores
The record has no CVSS score.
Weaknesses
The record names no weakness.
Affected Products
| Product | Versions |
|---|---|
n/an/a |
|
References
- https://www.usenix.org/conference/usenixsecurity21/presentation/kirzner
- http://www.openwall.com/lists/oss-security/2021/06/21/1
- https://github.com/torvalds/linux/commit/9183671af6dbf60a1219371d4ed73e23f43b49db
- [debian-lts-announce] 20211015 [SECURITY] [DLA 2785-1] linux-4.19 security updatemailing-list
- https://github.com/benschlueter/CVE-2021-33624
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