CVE-2017-2618
UnknownEPSS 0.46%
Last modified
CVE-2017-2618 is a vulnerability of currently unknown severity. 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
- 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?
Severity scoring for CVE-2017-2618 is pending analysis. 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.
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