Description
The load_multiboot function in hw/i386/multiboot.c in Quick Emulator (aka QEMU) allows local guest OS users to execute arbitrary code on the QEMU host via a mh_load_end_addr value greater than mh_bss_end_addr, which triggers an out-of-bounds read or write memory access.
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-2018:1369 ↗
- https://lists.gnu.org/archive/html/qemu-devel/2018-02/msg06890.html ↗
- https://lists.debian.org/debian-lts-announce/2018/04/msg00016.html ↗
- https://usn.ubuntu.com/3649-1/ ↗
- https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html ↗
- https://www.debian.org/security/2018/dsa-4213 ↗
- https://lists.debian.org/debian-lts-announce/2018/04/msg00015.html ↗
- http://www.securityfocus.com/bid/103181 ↗
- https://bugzilla.redhat.com/show_bug.cgi?id=1549798 ↗
- https://access.redhat.com/errata/RHSA-2018:2462 ↗
- https://github.com/orangecertcc/security-research/security/advisories/GHSA-f49v-45qp-cv53 ↗