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CVE-2017-8890

HIGHCVSS 7.8/10EPSS 1.37%

Last modified

CVE-2017-8890 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. The inet_csk_clone_lock function in net/ipv4/inet_connection_sock.c in the Linux kernel through 4.10.15 allows attackers to cause a denial of service (double free) or possibly have unspecified other impact by leveraging use of the accept system call.. EPSS estimates a 1.37% chance of exploitation in the next 30 days.

Description

The inet_csk_clone_lock function in net/ipv4/inet_connection_sock.c in the Linux kernel through 4.10.15 allows attackers to cause a denial of service (double free) or possibly have unspecified other impact by leveraging use of the accept system call.

Metrics

CVSS 3.1
7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
1.37%

68.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
LinuxLinux Kernel< 3.2.89
LinuxLinux Kernel>= 3.3, < 3.10.106
LinuxLinux Kernel>= 3.11, < 3.16.44
LinuxLinux Kernel>= 3.17, < 3.18.56
LinuxLinux Kernel>= 3.19, < 4.1.42
LinuxLinux Kernel>= 4.2, < 4.4.71
LinuxLinux Kernel>= 4.5, < 4.9.31
LinuxLinux Kernel>= 4.10, < 4.11.4
DebianDebian Linux8.0
DebianDebian Linux9.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2017-8890?
The inet_csk_clone_lock function in net/ipv4/inet_connection_sock.c in the Linux kernel through 4.10.15 allows attackers to cause a denial of service (double free) or possibly have unspecified other impact by leveraging use of the accept system call.
How severe is CVE-2017-8890?
CVE-2017-8890 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.37% probability of exploitation in the next 30 days.
How do I fix CVE-2017-8890?
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

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Source: NVD / NIST