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CVE-2022-36123

Description

The Linux kernel before 5.18.13 lacks a certain clear operation for the block starting symbol (.bss). This allows Xen PV guest OS users to cause a denial of service or gain privileges.

POC

Reference

- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.13

- https://github.com/sickcodes/security/blob/master/advisories/SICK-2022-128.md

- https://sick.codes/sick-2022-128

Github

No PoCs found on GitHub currently.