CVE-2015-7884: Infoleak
First published: Fri Oct 23 2015(Updated: )
An information leak flaw was found in Linux kernel for systems using Vivid! display drivers in framebuffer mode. 16 bytes of memory is not zeroed and may leak from userspace to a user at the console. Original report: <a href="http://seclists.org/oss-sec/2015/q4/115">http://seclists.org/oss-sec/2015/q4/115</a> Upstream patch: <a href="http://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git/commit/?id=eda98796aff0d9bf41094b06811f5def3b4c333c">http://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git/commit/?id=eda98796aff0d9bf41094b06811f5def3b4c333c</a>
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | <=4.3.2 | |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.119-1 6.11.10-1 6.12.5-1 |
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Reference Links
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=eda98796aff0d9bf41094b06811f5def3b4c333c
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html
- http://www.openwall.com/lists/oss-security/2015/10/21/8
- http://www.securityfocus.com/bid/77317
- http://www.securitytracker.com/id/1034893
- http://www.ubuntu.com/usn/USN-2842-1
- http://www.ubuntu.com/usn/USN-2842-2
- http://www.ubuntu.com/usn/USN-2843-1
- http://www.ubuntu.com/usn/USN-2843-2
- http://www.ubuntu.com/usn/USN-2843-3
- https://bugzilla.redhat.com/show_bug.cgi?id=1274726
- https://github.com/torvalds/linux/commit/eda98796aff0d9bf41094b06811f5def3b4c333c
- https://launchpad.net/bugs/cve/CVE-2015-7884
- http://seclists.org/oss-sec/2015/q4/115
- http://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git/commit/?id=eda98796aff0d9bf41094b06811f5def3b4c333c
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1274730
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=eda98796aff0d9bf41094b06811f5def3b4c333c
- https://security-tracker.debian.org/tracker/CVE-2015-7884
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7884
- https://nvd.nist.gov/vuln/detail/CVE-2015-7884
- https://ubuntu.com/security/CVE-2015-7884
Frequently Asked Questions
What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2015-7884.
What is the severity of CVE-2015-7884?
The severity of CVE-2015-7884 is low, with a severity value of 2.3.
Which Linux kernel versions are affected by CVE-2015-7884?
The Linux kernel versions up to 4.3.3 are affected by CVE-2015-7884.
How can a local user exploit CVE-2015-7884?
A local user can exploit CVE-2015-7884 to obtain sensitive information from kernel memory via a crafted application.
Where can I find more information about CVE-2015-7884?
You can find more information about CVE-2015-7884 at the following references: [CVE-2015-7884](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7884), [Git commit](https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git/commit/?id=eda98796aff0d9bf41094b06811f5def3b4c333c), [Ubuntu Security Notice](https://ubuntu.com/security/notices/USN-2843-1).
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