Vulnerability in Linux Kernel
CVE-2015-3291
arch/x86/entry/entry_64.S in the Linux kernel before 4.1.6 on the x86_64 platform does not properly determine when nested NMI processing is occurring, which allows local users to cause a denial of service (skipped NMI) by modifying the rsp register, issuing a syscall instruction, and triggering an NMI.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 2.1 (Low). Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.004 (31.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 31.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugzilla.redhat.com/show_bug.cgi
- www.securityfocus.com/bid/76003 (vdb-entry)
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/
- github.com/torvalds/linux/commit/810bc075f78ff2c221536eb3008eac6a492dba2d
- www.ubuntu.com/usn/USN-2689-1 (vendor-advisory)
- www.ubuntu.com/usn/USN-2690-1 (vendor-advisory)
- www.ubuntu.com/usn/USN-2691-1 (vendor-advisory)
- www.ubuntu.com/usn/USN-2688-1 (vendor-advisory)
- www.debian.org/security/2015/dsa-3313 (vendor-advisory)
- www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.1.6 (Vendor Advisory)
Frequently asked questions
- What is CVE-2015-3291?
- CVE-2015-3291 is a vulnerability in Linux Kernel, classified under CWE-17. Published 2015-08-31.
- Is CVE-2015-3291 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.