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CVE-2021-33624

CVE-2021-33624

EPSS 0.9%
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.
Affected products
n/a · n/a

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References
https://github.com/benschlueter/CVE-2021-33624https://github.com/torvalds/linux/commit/9183671af6dbf60a1219371d4ed73e23f43b49dbhttps://lists.debian.org/debian-lts-announce/2021/10/msg00010.htmlhttps://www.usenix.org/conference/usenixsecurity21/presentation/kirznerhttp://www.openwall.com/lists/oss-security/2021/06/21/1