CVE-2022-36123 Information

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.

Reference

https://github.com/sickcodes/security/blob/master/advisories/SICK-2022-128.md https://github.com/torvalds/linux/commit/74a0032b8524ee2bd4443128c0bf9775928680b0 https://sick.codes/sick-2022-128 https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.13 https://github.com/torvalds/linux/commit/96e8fc5818686d4a1591bb6907e7fdb64ef29884