Race Condition Affecting qemu-img package, versions <15:3.1.0-1.el7
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.
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- published10 Apr 2022
- disclosed10 Oct 2017
Introduced: 10 Oct 2017
CVE-2017-15038 (opens in a new tab)How to fix?
Upgrade Oracle:7 qemu-img to version 15:3.1.0-1.el7 or higher.
This issue was patched in ELSA-2019-4585.
NVD Description
Note: Versions mentioned in the description apply only to the upstream qemu-img package and not the qemu-img package as distributed by Oracle.
See How to fix? for Oracle:7 relevant fixed versions and status.
Race condition in the v9fs_xattrwalk function in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allows local guest OS users to obtain sensitive information from host heap memory via vectors related to reading extended attributes.
References
- https://linux.oracle.com/cve/CVE-2017-15038.html
- https://linux.oracle.com/errata/ELSA-2018-4285.html
- https://linux.oracle.com/errata/ELSA-2018-4289.html
- https://linux.oracle.com/errata/ELSA-2019-4585.html
- http://www.openwall.com/lists/oss-security/2017/10/06/1
- https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
- https://lists.gnu.org/archive/html/qemu-devel/2017-10/msg00729.html
- https://usn.ubuntu.com/3575-1/
- https://www.debian.org/security/2018/dsa-4213