CVE ID:	CVE-2021-28038
Description:	An issue was discovered in the Linux kernel through 5.11.3, as used with Xen PV. A certain part of the netback driver lacks necessary treatment of errors such as failed memory allocations (as a result of changes to the handling of grant mapping errors). A host OS denial of service may occur during misbehavior of a networking frontend driver. NOTE: this issue exists because of an incomplete fix for CVE-2021-26931.
Test IDs:	1.3.6.1.4.1.25623.1.0.892610
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2021-28038 http://xenbits.xen.org/xsa/advisory-367.html https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2991397d23ec597405b116d96de3813420bdcbc3 https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html https://lists.debian.org/debian-lts-announce/2021/03/msg00035.html http://www.openwall.com/lists/oss-security/2021/03/05/1