From 6e97c4b37386c2d09e09e9b5d5d232e37728b960 Mon Sep 17 00:00:00 2001 From: Jan Beulich Date: Thu, 29 Oct 2015 13:36:52 +0100 Subject: [PATCH] xenoprof: free domain's vcpu array This was overlooked in fb442e2171 ("x86_64: allow more vCPU-s per guest"). This is CVE-2015-7969 / XSA-151. Signed-off-by: Jan Beulich Reviewed-by: Ian Campbell --- xen/common/xenoprof.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/xen/common/xenoprof.c b/xen/common/xenoprof.c index 1061323ea0..53a803a551 100644 --- a/xen/common/xenoprof.c +++ b/xen/common/xenoprof.c @@ -239,6 +239,7 @@ static int alloc_xenoprof_struct( d->xenoprof->rawbuf = alloc_xenheap_pages(get_order_from_pages(npages), 0); if ( d->xenoprof->rawbuf == NULL ) { + xfree(d->xenoprof->vcpu); xfree(d->xenoprof); d->xenoprof = NULL; return -ENOMEM; @@ -286,6 +287,7 @@ void free_xenoprof_pages(struct domain *d) free_xenheap_pages(x->rawbuf, order); } + xfree(x->vcpu); xfree(x); d->xenoprof = NULL; } -- 2.39.5