Description
The sdhci_sdma_transfer_multi_blocks function in hw/sd/sdhci.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (out-of-bounds heap access and crash) or execute arbitrary code on the QEMU host via vectors involving the data transfer length.
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 | 1:2.8+dfsg-3 | — |
| Debian 13 | qemu | 1:2.8+dfsg-3 | — |
| Debian 12 | qemu | 1:2.8+dfsg-3 | — |
| Debian 8 | qemu | 1:2.1+dfsg-12+deb8u7 | DLA-1497-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | qemu | 1:2.5+dfsg-5ubuntu10.11 | USN-3261-1 |
| Ubuntu 14.04 LTS | qemu | 2.0.0+dfsg-2ubuntu1.33 | USN-3261-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP2 | qemu | 2.6.2-41.9.1 | SUSE-SU-2017:0625-1 |
| SLES 12 SP1 | qemu | 2.3.1-32.11 | SUSE-SU-2017:1241-1 |
| SLES 12 | qemu | 2.0.2-48.31.1 | SUSE-SU-2017:0661-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP2 | qemu | 2.6.2-41.9.1 | SUSE-SU-2017:0625-1 |
| SLES for SAP 12 SP1 | qemu | 2.3.1-32.11 | SUSE-SU-2017:1241-1 |
| SLES for SAP 12 | qemu | 2.0.2-48.31.1 | SUSE-SU-2017:0661-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | qemu | 6.1.0-32.1 | openSUSE-SU-2024:11287-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | qemu | 2.8.1-r1 | — |
| Alpine v3.23 | qemu | 2.8.1-r1 | — |
| Alpine v3.22 | qemu | 2.8.1-r1 | — |
| Alpine v3.21 | qemu | 2.8.1-r1 | — |
| Alpine v3.20 | qemu | 2.8.1-r1 | — |
Show 15 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | qemu | 2.8.1-r1 | — |
| Alpine v3.18 | qemu | 2.8.1-r1 | — |
| Alpine v3.17 | qemu | 2.8.1-r1 | — |
| Alpine v3.16 | qemu | 2.8.1-r1 | — |
| Alpine v3.15 | qemu | 2.8.1-r1 | — |
| Alpine v3.14 | qemu | 2.8.1-r1 | — |
| Alpine v3.13 | qemu | 2.8.1-r1 | — |
| Alpine v3.12 | qemu | 2.8.1-r1 | — |
| Alpine v3.11 | qemu | 2.8.1-r1 | — |
| Alpine v3.10 | qemu | 2.8.1-r1 | — |
| Alpine v3.9 | qemu | 2.8.1-r1 | — |
| Alpine v3.8 | qemu | 2.8.1-r1 | — |
| Alpine v3.7 | qemu | 2.8.1-r1 | — |
| Alpine v3.6 | qemu | 2.8.1-r1 | — |
| Alpine v3.5 | qemu | 2.8.1.1-r0 | — |
Advisories 6
- DLA-1497-1 qemu - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-3261-1 qemu vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- SUSE-SU-2017:0661-1 Security update for qemu SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:0625-1 Security update for qemu SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:1241-1 Security update for qemu SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11287-1 qemu-6.1.0-32.1 on GA media SUSE / openSUSE Security Updates · May 7, 2025
References
- [debian-lts-announce] 20180906 [SECURITY] [DLA 1497-1] qemu security update mailing-list
- [oss-security] 20170130 CVE request Qemu: sd: sdhci OOB access during multi block SDMA transfer mailing-list
- GLSA-201702-28 vendor-advisory
- 95885 vdb-entry
- [oss-security] 20170212 Re: Re: CVE request Qemu: sd: sdhci OOB access during multi block SDMA transfer mailing-list
- https://bugzilla.redhat.com/show_bug.cgi?id=1417559
- [oss-security] 20170131 Re: CVE request Qemu: sd: sdhci OOB access during multi block SDMA transfer mailing-list
- http://git.qemu-project.org/?p=qemu.git%3Ba=commitdiff%3Bh=42922105beb14c2fc58185ea022b9f72fb5465e9