Description
The megasas_ctrl_get_info function in hw/scsi/megasas.c in QEMU allows local guest OS administrators to obtain sensitive host memory information via vectors related to reading device control information.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | qemu | 1:2.6+dfsg-2 | — |
| Debian 13 | qemu | 1:2.6+dfsg-2 | — |
| Debian 12 | qemu | 1:2.6+dfsg-2 | — |
| Debian 8 | qemu | 1:2.1+dfsg-12+deb8u8 | DLA-1599-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | qemu | 1:2.5+dfsg-5ubuntu10.3 | USN-3047-1 |
| Ubuntu 14.04 LTS | qemu | 2.0.0+dfsg-2ubuntu1.26 | USN-3047-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP1 | qemu | 2.3.1-21.1 | SUSE-SU-2016:2589-1 |
| SLES 12 SP1 | xen | 4.5.3_08-17.1 | SUSE-SU-2016:2093-1 |
| SLES 12 | qemu | 2.0.2-48.22.1 | SUSE-SU-2016:2781-1 |
| SLES 12 | xen | 4.4.4_04-22.22.2 | SUSE-SU-2016:2533-1 |
| SLES 11 SP4 | kvm | 1.4.2-47.1 | SUSE-SU-2016:2628-1 |
| SLES 11 SP4 | xen | 4.4.4_07-37.1 | SUSE-SU-2016:2100-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP1 | qemu | 2.3.1-21.1 | SUSE-SU-2016:2589-1 |
| SLES for SAP 12 SP1 | xen | 4.5.3_08-17.1 | SUSE-SU-2016:2093-1 |
| SLES for SAP 12 | qemu | 2.0.2-48.22.1 | SUSE-SU-2016:2781-1 |
| SLES for SAP 12 | xen | 4.4.4_04-22.22.2 | SUSE-SU-2016:2533-1 |
| SLES for SAP 11 SP4 | kvm | 1.4.2-47.1 | SUSE-SU-2016:2628-1 |
| SLES for SAP 11 SP4 | xen | 4.4.4_07-37.1 | SUSE-SU-2016:2100-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | qemu | 2.6.1-1.5 | openSUSE-SU-2024:10233-1 |
Advisories 9
- DLA-1599-1 qemu - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-3047-1 qemu, qemu-kvm vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- SUSE-SU-2016:2781-1 Security update for qemu SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:2589-1 Security update for qemu SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:2533-1 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:2628-1 Security update for kvm SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:2100-1 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:2093-1 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10233-1 qemu-2.6.1-1.5 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- USN-3047-1 vendor-advisory
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=844864fbae66935951529408831c2f22367a57b6
- 91097 vdb-entry
- GLSA-201609-01 vendor-advisory
- USN-3047-2 vendor-advisory
- [oss-security] 20160608 Re: CVE Request Qemu: scsi: megasas: information leakage in megasas_ctrl_get_info mailing-list
- [debian-lts-announce] 20181130 [SECURITY] [DLA 1599-1] qemu security update mailing-list
- [qemu-devel] 20160607 [PULL 06/13] scsi: megasas: null terminate bios version buffer mailing-list
- [oss-security] 20160608 CVE Request Qemu: scsi: megasas: information leakage in megasas_ctrl_get_info mailing-list