Description
The mode4and5 write functions in hw/display/cirrus_vga.c in Qemu allow local OS guest privileged users to cause a denial of service (out-of-bounds write access and Qemu process crash) via vectors related to dst calculation.
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-2018:0516 ↗
- https://access.redhat.com/errata/RHSA-2017:3473 ↗
- https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html ↗
- https://www.debian.org/security/2018/dsa-4213 ↗
- http://www.securityfocus.com/bid/101262 ↗
- http://www.openwall.com/lists/oss-security/2017/10/12/16 ↗
- https://bugzilla.redhat.com/show_bug.cgi?id=1501290 ↗
- https://access.redhat.com/errata/RHSA-2017:3470 ↗
- https://access.redhat.com/errata/RHSA-2017:3472 ↗
- https://access.redhat.com/errata/RHSA-2017:3474 ↗
- https://usn.ubuntu.com/3575-1/ ↗
- https://access.redhat.com/errata/RHSA-2017:3471 ↗
- https://access.redhat.com/errata/RHSA-2017:3368 ↗
- https://lists.gnu.org/archive/html/qemu-devel/2017-10/msg02557.html ↗
- https://access.redhat.com/errata/RHSA-2017:3466 ↗
- https://access.redhat.com/errata/RHSA-2017:3369 ↗