Published: 05/03/2021 Updated: 25/03/2024

CVSS v2 Base Score: 2.1 | Impact Score: 2.9 | Exploitability Score: 3.9

CVSS v3 Base Score: 6.5 | Impact Score: 4 | Exploitability Score: 2

VMScore: 187

Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P

An issue exists in the Linux kernel 5.9.x up to and including 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.

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xen xen -
linux linux kernel
netapp cloud backup -
netapp solidfire baseboard management controller firmware -

An issue was discovered in the Linux kernel 59x through 5113, 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 ...

CWE-131 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 https://nvd.nist.gov https://security.archlinux.org/CVE-2021-28039

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CVE-2021-28039

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