Description: KVM: SVM: Fix potential memory leak in svm_cpu_init()
References:
 https://bugzilla.suse.com/show_bug.cgi?id=1171736#c3
Notes:
 carnil> One-time leak at boot, so has at most a negligible security
 carnil> impact at all.
 bwh> Introduced in 4.16 by commit 70cd94e60c73 "KVM: SVM: VMRUN should
 bwh> use associated ASID when SEV is enabled"
Bugs:
upstream: released (5.6-rc4) [d80b64ff297e40c2b6f7d7abc1b3eba70d22a068]
4.19-upstream-stable: released (4.19.125) [008708152ebb229c29e065135599984fa9c4a51c]
4.9-upstream-stable: N/A "Vulnerability introduced later"
3.16-upstream-stable: N/A "Vulnerability introduced later"
sid: released (5.6.7-1)
4.19-buster-security: released (4.19.118-2+deb10u1) [bugfix/x86/kvm-svm-fix-potential-memory-leak-in-svm_cpu_init.patch]
4.9-stretch-security: N/A "Vulnerability introduced later"
3.16-jessie-security: N/A "Vulnerability introduced later"