QID 198402

The ebpf implementation in the linux kernel did not properly enforce limits for pointer operations.
The ebpf implementation in the linux kernel performed out of bounds speculation on pointer arithmetic.
The ebpf implementation in the linux kernel did not properly prevent speculative loads in certain situations.
The kvm vmx implementation in the linux kernel did not properly prevent user space from tampering with an array index value, leading to a potential out-of-bounds write.

Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

a local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (
cve-2021-33200).
A local attacker could use this to expose sensitive information. (
cve-2021-29155).
A local attacker could use this to expose sensitive information (kernel memory).
(cve-2021-31829).
A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (
cve-2021-3501).