CVE-2017-2618
MEDIUMCVSS 5.5/10EPSS 0.46%
Last modified
CVE-2017-2618 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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.. EPSS estimates a 0.46% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 4.9.10 |
| Debian | Debian Linux | 8.0 |
| Redhat | Enterprise Linux | 7.0 |
| Redhat | Enterprise Linux Desktop | 7.0 |
| Redhat | Enterprise Linux Server | 7.0 |
| Redhat | Enterprise Linux Server Aus | 7.3 |
| Redhat | Enterprise Linux Server Aus | 7.4 |
| Redhat | Enterprise Linux Server Eus | 7.3 |
| Redhat | Enterprise Linux Server Eus | 7.4 |
| Redhat | Enterprise Linux Server Eus | 7.5 |
| Redhat | Enterprise Linux Workstation | 7.0 |
References
- http://www.securityfocus.com/bid/96272Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2017:0931Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:0932Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:0933Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2618Issue Tracking, Patch, Third Party Advisory
- https://marc.info/?l=selinux&m=148588165923772&w=2Patch, Third Party Advisory
- https://www.debian.org/security/2017/dsa-3791Third Party Advisory
- http://www.securityfocus.com/bid/96272Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2017:0931Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:0932Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:0933Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2618Issue Tracking, Patch, Third Party Advisory
- https://marc.info/?l=selinux&m=148588165923772&w=2Patch, Third Party Advisory
- https://www.debian.org/security/2017/dsa-3791Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2017-2618?
CVE-2017-2618 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.46% probability of exploitation in the next 30 days.
How do I fix CVE-2017-2618?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2017
- CVE-2017-2612In Jenkins before versions 2.44, 2.32.2 low privilege users …5.4
- CVE-2017-2613jenkins before versions 2.44, 2.32.2 is vulnerable to a user…5.4
- CVE-2017-2614When updating a password in the rhvm database the ovirt-aaa-…6.8
- CVE-2017-2615Quick emulator (QEMU) built with the Cirrus CLGD 54xx VGA em…5.5
- CVE-2017-2616A race condition was found in util-linux before 2.32.1 in th…5.5
- CVE-2017-2617hawtio before version 1.5.5 is vulnerable to remote code exe…7.6
- CVE-2017-2619Samba before versions 4.6.1, 4.5.7 and 4.4.11 are vulnerable…7.5
- CVE-2017-2620Quick emulator (QEMU) before 2.8 built with the Cirrus CLGD …5.5
- CVE-2017-2621An access-control flaw was found in the OpenStack Orchestrat…5.5
- CVE-2017-2622An accessibility flaw was found in the OpenStack Workflow (m…5.9
- CVE-2017-2623It was discovered that rpm-ostree and rpm-ostree-client befo…5.3
- CVE-2017-2624It was found that xorg-x11-server before 1.19.0 including us…5.9
Are you affected by CVE-2017-2618?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST