Vulnerability in Linux Kernel
CVE-2017-2618
A flaw was found in the Linux kernel's handling of clearing SELinux attributes on /proc/pid/attr files before 4.9.10. An empty (null) write to this file can crash the system by causing the system to attempt to access unmapped kernel memory.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.005 (37.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 37.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Linux Kernel — versions 4.9.10
- Linux Kernel
- Debian Linux — versions 8.0
- Red Hat Enterprise Linux — versions 7.0
- Red Hat Enterprise Linux Desktop — versions 7.0
- Red Hat Enterprise Linux Server — versions 7.0
- Red Hat Enterprise Linux Server Aus — versions 7.3, 7.4
- Red Hat Enterprise Linux Server Eus — versions 7.3, 7.4, 7.5
- Red Hat Enterprise Linux Workstation — versions 7.0
Weakness classification (CWE)
References
- marc.info/ (mailing-list, Patch, Third Party Advisory)
- www.debian.org/security/2017/dsa-3791 (vendor-advisory, Third Party Advisory)
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- access.redhat.com/errata/RHSA-2017:0932 (vendor-advisory, Third Party Advisory)
- git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/ (Patch, Vendor Advisory)
- access.redhat.com/errata/RHSA-2017:0933 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2017:0931 (vendor-advisory, Third Party Advisory)
- www.securityfocus.com/bid/96272 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2017-2618?
- CVE-2017-2618 is a medium-severity vulnerability in Linux Kernel, classified under Off-by-one Error. CVSS score: 5.5/10. Published 2018-07-27.
- How severe is CVE-2017-2618?
- Medium severity. CVSS v3 base score is 5.5 out of 10.