CVE-2015-8553: Infoleak
First published: Tue Mar 10 2015(Updated: )
Xen allows guest OS users to obtain sensitive information from uninitialized locations in host OS kernel memory by not enabling memory and I/O decoding control bits. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-0777.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/linux | 4.19.249-2 4.19.289-2 5.10.197-1 5.10.191-1 6.1.66-1 6.1.52-1 6.5.13-1 6.6.8-1 | |
| Xen xen-unstable | ||
| Red Hat Enterprise Linux | =5 |
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Reference Links
- https://www.cve.org/CVERecord?id=CVE-2015-8553 https://nvd.nist.gov/vuln/detail/CVE-2015-8553 http://xenbits.xen.org/xsa/advisory-120.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1196266
- https://access.redhat.com/security/cve/CVE-2015-8553
- http://xenbits.xen.org/xsa/advisory-120.html
- https://seclists.org/bugtraq/2019/Aug/18
- https://www.debian.org/security/2019/dsa-4497
- https://bugzilla.redhat.com/show_bug.cgi?id=1289128#c2
- http://thread.gmane.org/gmane.comp.emulators.xen.devel/140440/focus=140441
- http://thread.gmane.org/gmane.linux.kernel/1924087/focus=1924088
- https://git.kernel.org/linus/7681f31ec9cdacab4fd10570be924f2cef6669ba
- https://security-tracker.debian.org/tracker/CVE-2015-8553
Frequently Asked Questions
What is the severity of CVE-2015-8553?
CVE-2015-8553 has a medium severity rating due to potential information disclosure risks.
How do I fix CVE-2015-8553?
To fix CVE-2015-8553, update the affected software packages to the latest versions provided by the vendors.
What versions of software are affected by CVE-2015-8553?
CVE-2015-8553 affects specific versions of the Linux package, Xen, and Red Hat Enterprise Linux 5.
Can CVE-2015-8553 allow guest OS users to access host OS data?
Yes, CVE-2015-8553 allows guest OS users to obtain sensitive information from uninitialized locations in the host OS kernel memory.
Is CVE-2015-8553 related to another vulnerability?
Yes, CVE-2015-8553 is an incomplete fix for the previously reported CVE-2015-0777.
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