Description
The address_space_write_continue function in exec.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (out-of-bounds access and guest instance crash) by leveraging use of qemu_map_ram_ptr to access guest ram block area.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- https://access.redhat.com/errata/RHSA-2017:3473 ↗
- https://bugzilla.redhat.com/show_bug.cgi?id=1471638 ↗
- https://access.redhat.com/errata/RHSA-2017:3470 ↗
- https://access.redhat.com/errata/RHSA-2017:3472 ↗
- http://www.openwall.com/lists/oss-security/2017/07/17/4 ↗
- https://lists.gnu.org/archive/html/qemu-devel/2017-07/msg03775.html ↗
- https://access.redhat.com/errata/RHSA-2017:3474 ↗
- https://usn.ubuntu.com/3575-1/ ↗
- https://access.redhat.com/errata/RHSA-2017:3471 ↗
- http://www.securityfocus.com/bid/99895 ↗
- https://access.redhat.com/errata/RHSA-2017:3466 ↗
- https://access.redhat.com/errata/RHSA-2017:3369 ↗
- http://www.debian.org/security/2017/dsa-3925 ↗