CVE-2021-28039
N/A
N/A
Summary
An issue was discovered in the Linux kernel 5.9.x through 5.11.3, as used with Xen. In some less-common configurations, an x86 PV guest OS user can crash a Dom0 or driver domain via a large amount of I/O activity. The issue relates to misuse of guest physical addresses when a configuration has CONFIG_XEN_UNPOPULATED_ALLOC but not CONFIG_XEN_BALLOON_MEMORY_HOTPLUG.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| n/a | n/a | n/a | affected |
Weaknesses
- n/a
ADP Enrichment
CVE Program Container
Additional References
- http://xenbits.xen.org/xsa/advisory-369.html
- http://www.openwall.com/lists/oss-security/2021/03/05/2
- https://security.netapp.com/advisory/ntap-20210409-0001/
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=882213990d32fd224340a4533f6318dd152be4b2
References
- http://xenbits.xen.org/xsa/advisory-369.html
- http://www.openwall.com/lists/oss-security/2021/03/05/2
- https://security.netapp.com/advisory/ntap-20210409-0001/
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=882213990d32fd224340a4533f6318dd152be4b2
Feedback
Was this page helpful?
Glad to hear it! Please tell us how we can improve.
Sorry to hear that. Please tell us how we can improve.