Description
Buffer overflow in BlockIo service for EDK II may allow an unauthenticated user to potentially enable escalation of privilege, information disclosure and/or denial of service via network access.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Extensible Firmware Interface Development Kit (EDK II) | Extensible Firmware Interface Development Kit (EDK II) | N/A | — |
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 | edk2 | 0~20181115.85588389-3 | — |
| Debian 13 | edk2 | 0~20181115.85588389-3 | — |
| Debian 12 | edk2 | 0~20181115.85588389-3 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | edk2 | 0~20180205.c0d9813c-2ubuntu0.2 | USN-4349-1 |
| Ubuntu 16.04 LTS | edk2 | 0~20160408.ffea0a2c-2ubuntu0.1 | USN-4349-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | edk2 +2 | 20180508gitee3198e672e2-9.el8_0.1 | RHSA-2019:0968 |
| RHEL 7 | OVMF +2 | 20180508-3.gitee3198e672e2.el7_6.1 | RHSA-2019:0809 |
| RHEL 7 | redhat-release-virtualization-host +1 | 4.3-0.6.el7 | RHSA-2019:1116 |
| RHEL 7 | redhat-virtualization-host +1 | 4.3-20190418.0.el7_6 | RHSA-2019:1116 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 | ovmf | 2017+git1510945757.b2662641d5-5.14.1 | SUSE-SU-2019:0580-1 |
| SLES 12 SP4 | ovmf | 2017+git1510945757.b2662641d5-3.8.3 | SUSE-SU-2019:0581-1 |
| SLES 12 SP3 | ovmf | 2017+git1492060560.b6d11d7c46-4.20.1 | SUSE-SU-2019:0579-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP4 | ovmf | 2017+git1510945757.b2662641d5-3.8.3 | SUSE-SU-2019:0581-1 |
| SLES for SAP 12 SP3 | ovmf | 2017+git1492060560.b6d11d7c46-4.20.1 | SUSE-SU-2019:0579-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | ovmf | 202105-3.4 | openSUSE-SU-2024:11134-1 |
| openSUSE Leap 15.0 | ovmf | 2017+git1510945757.b2662641d5-lp150.4.13.1 | openSUSE-SU-2019:1083-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | edk2-ovmf +4 | 20190308stable-1.amzn2.0.1 | ALAS2-2019-1273 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 8 | edk2-ovmf +1 | 20180508gitee3198e672e2-9.el8_0.1 | ELSA-2019-0968 |
| Oracle Linux 7 | AAVMF | 1:1.2-5.el7 | ELSA-2019-4668 |
| Oracle Linux 7 | OVMF | 20180508-3.gitee3198e672e2.el7_6.1 | ELSA-2019-4785, ELSA-2019-0809 |
Advisories 14
- RHSA-2019:1116 Red Hat Security Advisory: redhat-virtualization-host security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2019:0968 Red Hat Security Advisory: edk2 security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2019:0809 Red Hat Security Advisory: ovmf security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- USN-4349-1 edk2 vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- openSUSE-SU-2019:1083-1 Security update for ovmf SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:0580-1 Security update for ovmf SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:0579-1 Security update for ovmf SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11134-1 ovmf-202105-3.4 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:0581-1 Security update for ovmf SUSE / openSUSE Security Updates · Feb 4, 2026
- ALAS2-2019-1273 Important: edk2 security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Jul 2, 2025
- ELSA-2019-4785 Important: edk2 security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Sep 13, 2019
- ELSA-2019-0968 Important: edk2 security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Jul 30, 2019
- ELSA-2019-4668 Important: edk2 security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Jun 6, 2019
- ELSA-2019-0809 Important: ovmf security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Apr 23, 2019
References
- https://edk2-docs.gitbooks.io/security-advisory/content/buffer-overflow-in-blockio-service-for-ram-disk.html
- openSUSE-SU-2019:1083 vendor-advisory
- FEDORA-2019-bff1cbaba3 vendor-advisory
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03912en_us
- RHSA-2019:0809 vendor-advisory
- RHSA-2019:0968 vendor-advisory
- RHSA-2019:1116 vendor-advisory
- USN-4349-1 vendor-advisory