CVE-2015-3290
First published: Wed Jul 15 2015(Updated: )
A flaw was found in the way Linux kernel's nested NMI handler and espfix64 functionalities interacted during NMI processing. A local, unprivileged user could use this flaw to crash the system or, potentially, escalate their privileges on the system. Upstream fix: <a href="https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9b6e6a8334d56354853f9c255d1395c2ba570e0a">https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9b6e6a8334d56354853f9c255d1395c2ba570e0a</a> Acknowledgements: Red Hat would like to thank Andy Lutomirski for reporting this issue.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | <3.12.47 | |
| Linux Kernel | >=3.13<3.14.54 | |
| Linux Kernel | >=3.15<3.16.35 | |
| Linux Kernel | >=3.17<3.18.22 | |
| Linux Kernel | >=3.19<4.1.6 | |
| Linux Kernel | <=4.1.5 |
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Reference Links
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9b6e6a8334d56354853f9c255d1395c2ba570e0a
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e00b12e64be9a34ef071de7b6052ca9ea29dd460
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1245936
- https://bugzilla.redhat.com/show_bug.cgi?id=1243465
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9b6e6a8334d56354853f9c255d1395c2ba570e0a
- http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00011.html
- http://www.debian.org/security/2015/dsa-3313
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.1.6
- http://www.openwall.com/lists/oss-security/2015/07/22/7
- http://www.openwall.com/lists/oss-security/2015/08/04/8
- http://www.securityfocus.com/bid/76004
- http://www.ubuntu.com/usn/USN-2687-1
- http://www.ubuntu.com/usn/USN-2688-1
- http://www.ubuntu.com/usn/USN-2689-1
- http://www.ubuntu.com/usn/USN-2690-1
- http://www.ubuntu.com/usn/USN-2691-1
- https://github.com/torvalds/linux/commit/9b6e6a8334d56354853f9c255d1395c2ba570e0a
- https://www.exploit-db.com/exploits/37722/
Frequently Asked Questions
What is the severity of CVE-2015-3290?
CVE-2015-3290 has a moderate severity, allowing a local, unprivileged user to crash the system or potentially escalate privileges.
How do I fix CVE-2015-3290?
To fix CVE-2015-3290, update the Linux kernel to versions above 4.1.5, or apply the relevant patches from the upstream maintainers.
What systems are affected by CVE-2015-3290?
CVE-2015-3290 affects Linux kernel versions prior to 3.12.47 and multiple versions between 3.13 and 4.1.5.
Can CVE-2015-3290 be exploited remotely?
CVE-2015-3290 cannot be exploited remotely as it requires local, unprivileged access to the system.
What are the potential impacts of CVE-2015-3290?
The potential impacts of CVE-2015-3290 include system crashes and unauthorized privilege escalation for local users.
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