SecuritySpace - CVE-2021-33624

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CVE ID: CVE-2021-33624

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.

Test IDs: None available

Cross References: Common Vulnerability Exposure (CVE) ID: CVE-2021-33624
https://www.usenix.org/conference/usenixsecurity21/presentation/kirzner
https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html

CVE ID:	CVE-2021-33624
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.
Test IDs:	None available
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2021-33624 https://www.usenix.org/conference/usenixsecurity21/presentation/kirzner https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html