NULL Pointer Dereference Affecting virt:rhel/sgabios package, versions <1:0.20170427git-3.module+el8.1.0+4066+0f1aadab
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applicationsSnyk Learn
Learn about NULL Pointer Dereference vulnerabilities in an interactive lesson.
Start learning- Snyk IDSNYK-RHEL8-VIRT-3562122
- published26 Jul 2021
- disclosed25 Apr 2019
Introduced: 25 Apr 2019
CVE-2019-12155 (opens in a new tab)How to fix?
Upgrade RHEL:8 virt:rhel/sgabios to version 1:0.20170427git-3.module+el8.1.0+4066+0f1aadab or higher.
This issue was patched in RHSA-2019:3345.
NVD Description
Note: Versions mentioned in the description apply only to the upstream virt:rhel/sgabios package and not the virt:rhel/sgabios package as distributed by RHEL.
See How to fix? for RHEL:8 relevant fixed versions and status.
interface_release_resource in hw/display/qxl.c in QEMU 3.1.x through 4.0.0 has a NULL pointer dereference.
References
- https://seclists.org/bugtraq/2019/May/76
- http://www.openwall.com/lists/oss-security/2019/05/22/1
- https://access.redhat.com/security/cve/CVE-2019-12155
- https://www.debian.org/security/2019/dsa-4454
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BOE3PVFPMWMXV3DGP2R3XIHAF2ZQU3FS/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RVDHJB2QKXNDU7OFXIHIL5O5VN5QCSZL/
- https://git.qemu.org/?p=qemu.git;a=commit;h=3be7eb2f47bf71db5f80fcf8750ea395dd5ffdd2
- https://lists.gnu.org/archive/html/qemu-devel/2019-05/msg01321.html
- https://lists.debian.org/debian-lts-announce/2019/09/msg00021.html
- https://access.redhat.com/errata/RHBA-2019:3723
- https://access.redhat.com/errata/RHSA-2019:3345
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00000.html
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00008.html
- https://usn.ubuntu.com/4191-1/
- https://usn.ubuntu.com/4191-2/
- https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=3be7eb2f47bf71db5f80fcf8750ea395dd5ffdd2
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BOE3PVFPMWMXV3DGP2R3XIHAF2ZQU3FS/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RVDHJB2QKXNDU7OFXIHIL5O5VN5QCSZL/