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
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
- https://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
- https://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