CVE-2015-3290

Public Exploit

Description

arch/x86/entry/entry_64.S in the Linux kernel before 4.1.6 on the x86_64 platform improperly relies on espfix64 during nested NMI processing, which allows local users to gain privileges by triggering an NMI within a certain instruction window.

Category

7.2
CVSS
Severity: High
CVSS 2.0 •
EPSS 0.93% Top 30%
Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory debian.org Vendor Advisory ubuntu.com Vendor Advisory kernel.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1243465 issue tracking
http://www.openwall.com/lists/oss-security/2015/08/04/8 mailing list
http://www.securityfocus.com/bid/76004 vdb entry third party advisory
https://www.exploit-db.com/exploits/37722/ exploit vdb entry third party advisory
http://www.ubuntu.com/usn/USN-2689-1 vdb entry third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-2690-1 vdb entry third party advisory vendor advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9b6e6a8334d56354853f9c255d1395c2ba570e0a third party advisory
http://www.ubuntu.com/usn/USN-2691-1 vdb entry third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-2688-1 vdb entry third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00011.html vdb entry third party advisory vendor advisory
http://www.debian.org/security/2015/dsa-3313 vdb entry third party advisory vendor advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.1.6 vendor advisory
http://www.openwall.com/lists/oss-security/2015/07/22/7 mailing list
https://github.com/torvalds/linux/commit/9b6e6a8334d56354853f9c255d1395c2ba570e0a third party advisory
http://www.ubuntu.com/usn/USN-2687-1 vdb entry third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2015-3290?
CVE-2015-3290 has been scored as a high severity vulnerability.
How to fix CVE-2015-3290?
To fix CVE-2015-3290, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-3290 being actively exploited in the wild?
It is possible that CVE-2015-3290 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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