xen is vulnerable to denial of service. The vulnerability exists due to an insecure logic for acquiring a type reference causing a race condition which allows an attacker to crash the system.
packetstormsecurity.com/files/167718/Xen-TLB-Flush-Bypass.html
www.openwall.com/lists/oss-security/2022/06/09/3
xenbits.xen.org/xsa/advisory-401.html
lists.fedoraproject.org/archives/list/[email protected]/message/OH65U6FTTB5MLH5A6Q3TW7KVCGOG4MYI/
lists.fedoraproject.org/archives/list/[email protected]/message/RKRXZ4LHGCGMOG24ZCEJNY6R2BTS4S2Q/
secdb.alpinelinux.org/edge/main.yaml
security.gentoo.org/glsa/202208-23
www.debian.org/security/2022/dsa-5184
xenbits.xenproject.org/xsa/advisory-401.txt