Use After Free in Linux Kernel
CVE-2017-2584
arch/x86/kvm/emulate.c in the Linux kernel through 4.9.3 allows local users to obtain sensitive information from kernel memory or cause a denial of service (use-after-free) via a crafted application that leverages instruction emulation for fxrstor, fxsave, sgdt, and sidt.
Vulnerability class: Information Disclosure
EPSS: 0.004 (34.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H.
Affected products
- Linux Linux_kernel
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (vdb-entry, x_refsource_BID)
- secalert@redhat.com (vdb-entry, x_refsource_SECTRACK)
- secalert@redhat.com (x_refsource_UBUNTU, vendor-advisory)
- secalert@redhat.com (x_refsource_CONFIRM)
- secalert@redhat.com (vendor-advisory, x_refsource_DEBIAN)
- secalert@redhat.com (mailing-list, x_refsource_MLIST)
- secalert@redhat.com (x_refsource_CONFIRM)
- secalert@redhat.com (x_refsource_CONFIRM)
Frequently asked questions
- What is CVE-2017-2584?
- CVE-2017-2584 is a high-severity vulnerability in Linux Kernel, classified under Information Disclosure. CVSS score: 7.1/10. Published 2017-01-15.
- How severe is CVE-2017-2584?
- High severity. CVSS v3 base score is 7.1 out of 10.
- Is CVE-2017-2584 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.