Debian DSA-4941-1 Critical: Linux Kernel Privilege Escalation Risks

CVE-2020-36311

A flaw was discovered in the KVM subsystem for AMD CPUs, allowing an
attacker to cause a denial of service by triggering destruction of a
large SEV VM.

CVE-2021-3609

Norbert Slusarek reported a race condition vulnerability in the CAN
BCM networking protocol, allowing a local attacker to escalate
privileges.

CVE-2021-33909

The Qualys Research Labs discovered a size_t-to-int conversion
vulnerability in the Linux kernel's filesystem layer. An
unprivileged local attacker able to create, mount, and then delete a
deep directory structure whose total path length exceeds 1GB, can
take advantage of this flaw for privilege escalation.

Details can be found in the Qualys advisory at
https://www.qualys.com/2021/07/20/cve-2021-33909/sequoia-local-privilege-escalation-linux.txt

CVE-2021-34693

Norbert Slusarek discovered an information leak in the CAN BCM
networking protocol. A local attacker can take advantage of this
flaw to obtain sensi...