diff options
Diffstat (limited to 'meta/recipes-devtools/qemu/qemu/CVE-2020-13791.patch')
| -rw-r--r-- | meta/recipes-devtools/qemu/qemu/CVE-2020-13791.patch | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/meta/recipes-devtools/qemu/qemu/CVE-2020-13791.patch b/meta/recipes-devtools/qemu/qemu/CVE-2020-13791.patch deleted file mode 100644 index 049dab914d..0000000000 --- a/meta/recipes-devtools/qemu/qemu/CVE-2020-13791.patch +++ /dev/null @@ -1,53 +0,0 @@ -From f7d6a635fa3b7797f9d072e280f065bf3cfcd24d Mon Sep 17 00:00:00 2001 -From: Prasad J Pandit <pjp@fedoraproject.org> -Date: Thu, 4 Jun 2020 17:05:25 +0530 -Subject: [PATCH] pci: assert configuration access is within bounds -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -While accessing PCI configuration bytes, assert that -'address + len' is within PCI configuration space. - -Generally it is within bounds. This is more of a defensive -assert, in case a buggy device was to send 'address' which -may go out of bounds. - -Suggested-by: Philippe Mathieu-Daudé <philmd@redhat.com> -Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org> -Message-Id: <20200604113525.58898-1-ppandit@redhat.com> -Reviewed-by: Michael S. Tsirkin <mst@redhat.com> -Signed-off-by: Michael S. Tsirkin <mst@redhat.com> - -Upstream-Status: Backport [f7d6a635fa3b7797f9d072e280f065bf3cfcd24d] -CVE: CVE-2020-13791 -Signed-off-by: Sakib Sajal <sakib.sajal@windriver.com> ---- - hw/pci/pci.c | 4 ++++ - 1 file changed, 4 insertions(+) - -diff --git a/hw/pci/pci.c b/hw/pci/pci.c -index 70c66965f5..7bf2ae6d92 100644 ---- a/hw/pci/pci.c -+++ b/hw/pci/pci.c -@@ -1381,6 +1381,8 @@ uint32_t pci_default_read_config(PCIDevice *d, - { - uint32_t val = 0; - -+ assert(address + len <= pci_config_size(d)); -+ - if (pci_is_express_downstream_port(d) && - ranges_overlap(address, len, d->exp.exp_cap + PCI_EXP_LNKSTA, 2)) { - pcie_sync_bridge_lnk(d); -@@ -1394,6 +1396,8 @@ void pci_default_write_config(PCIDevice *d, uint32_t addr, uint32_t val_in, int - int i, was_irq_disabled = pci_irq_disabled(d); - uint32_t val = val_in; - -+ assert(addr + l <= pci_config_size(d)); -+ - for (i = 0; i < l; val >>= 8, ++i) { - uint8_t wmask = d->wmask[addr + i]; - uint8_t w1cmask = d->w1cmask[addr + i]; --- -2.20.1 - |