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.
CVSS breakdown
CVSS 3.1
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected products
References
- MISChttps://sick.codes/sick-2022-128
- VENDOR_ADVISORYhttps://github.com/sickcodes/security/blob/master/advisories/SICK-2022-128.md
- MISChttps://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.13
- PATCHhttps://github.com/torvalds/linux/commit/96e8fc5818686d4a1591bb6907e7fdb64ef29884
- PATCHhttps://github.com/torvalds/linux/commit/74a0032b8524ee2bd4443128c0bf9775928680b0
- MISChttps://security.netapp.com/advisory/ntap-20220901-0003/
Updated 16m ago · 8 sources