diff options
Diffstat (limited to 'meta/recipes-devtools/qemu/qemu/0015-fix-CVE-2018-20124.patch')
| -rw-r--r-- | meta/recipes-devtools/qemu/qemu/0015-fix-CVE-2018-20124.patch | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/meta/recipes-devtools/qemu/qemu/0015-fix-CVE-2018-20124.patch b/meta/recipes-devtools/qemu/qemu/0015-fix-CVE-2018-20124.patch deleted file mode 100644 index 985b819409..0000000000 --- a/meta/recipes-devtools/qemu/qemu/0015-fix-CVE-2018-20124.patch +++ /dev/null @@ -1,60 +0,0 @@ -CVE: CVE-2018-20124 -Upstream-Status: Backport [https://git.qemu.org/?p=qemu.git;a=commit;h=0e68373] - -Backport patch to fix CVE-2018-20124. Update context and stay with current -function comp_handler() which has been replaced with complete_work() in latest -git repo. - -Signed-off-by: Kai Kang <kai.kang@windriver.com> - -From 0e68373cc2b3a063ce067bc0cc3edaf370752890 Mon Sep 17 00:00:00 2001 -From: Prasad J Pandit <pjp@fedoraproject.org> -Date: Thu, 13 Dec 2018 01:00:34 +0530 -Subject: [PATCH] rdma: check num_sge does not exceed MAX_SGE - -rdma back-end has scatter/gather array ibv_sge[MAX_SGE=4] set -to have 4 elements. A guest could send a 'PvrdmaSqWqe' ring element -with 'num_sge' set to > MAX_SGE, which may lead to OOB access issue. -Add check to avoid it. - -Reported-by: Saar Amar <saaramar5@gmail.com> -Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org> -Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com> -Signed-off-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com> ---- - hw/rdma/rdma_backend.c | 12 ++++++------ - 1 file changed, 6 insertions(+), 6 deletions(-) - -diff --git a/hw/rdma/rdma_backend.c b/hw/rdma/rdma_backend.c -index d7a4bbd9..7f8028f8 100644 ---- a/hw/rdma/rdma_backend.c -+++ b/hw/rdma/rdma_backend.c -@@ -311,9 +311,9 @@ void rdma_backend_post_send(RdmaBackendDev *backend_dev, - } - - pr_dbg("num_sge=%d\n", num_sge); -- if (!num_sge) { -- pr_dbg("num_sge=0\n"); -- comp_handler(IBV_WC_GENERAL_ERR, VENDOR_ERR_NO_SGE, ctx); -+ if (!num_sge || num_sge > MAX_SGE) { -+ pr_dbg("invalid num_sge=%d\n", num_sge); -+ comp_handler(IBV_WC_GENERAL_ERR, VENDOR_ERR_NO_SGE, ctx); - return; - } - -@@ -390,9 +390,9 @@ void rdma_backend_post_recv(RdmaBackendDev *backend_dev, - } - - pr_dbg("num_sge=%d\n", num_sge); -- if (!num_sge) { -- pr_dbg("num_sge=0\n"); -- comp_handler(IBV_WC_GENERAL_ERR, VENDOR_ERR_NO_SGE, ctx); -+ if (!num_sge || num_sge > MAX_SGE) { -+ pr_dbg("invalid num_sge=%d\n", num_sge); -+ comp_handler(IBV_WC_GENERAL_ERR, VENDOR_ERR_NO_SGE, ctx); - return; - } - --- -2.20.1 - |