diff options
Diffstat (limited to 'meta/recipes-devtools/qemu/qemu/CVE-2020-15469-1.patch')
| -rw-r--r-- | meta/recipes-devtools/qemu/qemu/CVE-2020-15469-1.patch | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/meta/recipes-devtools/qemu/qemu/CVE-2020-15469-1.patch b/meta/recipes-devtools/qemu/qemu/CVE-2020-15469-1.patch new file mode 100644 index 0000000000..20f39f0a26 --- /dev/null +++ b/meta/recipes-devtools/qemu/qemu/CVE-2020-15469-1.patch @@ -0,0 +1,50 @@ +From 520f26fc6d17b71a43eaf620e834b3bdf316f3d3 Mon Sep 17 00:00:00 2001 +From: Prasad J Pandit <pjp@fedoraproject.org> +Date: Tue, 11 Aug 2020 17:11:25 +0530 +Subject: [PATCH] hw/pci-host: add pci-intack write method + +Add pci-intack mmio write method to avoid NULL pointer dereference +issue. + +Reported-by: Lei Sun <slei.casper@gmail.com> +Reviewed-by: Li Qiang <liq3ea@gmail.com> +Reviewed-by: Peter Maydell <peter.maydell@linaro.org> +Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org> +Message-Id: <20200811114133.672647-2-ppandit@redhat.com> +Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> + +CVE: CVE-2020-15469 +Upstream-Status: Backport [import from ubuntu +https://git.launchpad.net/ubuntu/+source/qemu/tree/debian/patches/CVE-2020-15469-1.patch?h=ubuntu/focal-security +Upstream commit https://github.com/qemu/qemu/commit/520f26fc6d17b71a43eaf620e834b3bdf316f3d3 ] +Signed-off-by: Chee Yang Lee <chee.yang.lee@intel.com> +--- + hw/pci-host/prep.c | 8 ++++++++ + 1 file changed, 8 insertions(+) + +--- a/hw/pci-host/prep.c ++++ b/hw/pci-host/prep.c +@@ -26,6 +26,7 @@ + #include "qemu/osdep.h" + #include "qemu-common.h" + #include "qemu/units.h" ++#include "qemu/log.h" + #include "qapi/error.h" + #include "hw/pci/pci.h" + #include "hw/pci/pci_bus.h" +@@ -119,8 +120,15 @@ static uint64_t raven_intack_read(void * + return pic_read_irq(isa_pic); + } + ++static void raven_intack_write(void *opaque, hwaddr addr, ++ uint64_t data, unsigned size) ++{ ++ qemu_log_mask(LOG_UNIMP, "%s not implemented\n", __func__); ++} ++ + static const MemoryRegionOps raven_intack_ops = { + .read = raven_intack_read, ++ .write = raven_intack_write, + .valid = { + .max_access_size = 1, + }, |