CVE-2017-9077

HIGHCVSS 7.8/10EPSS 0.72%

Last modified

CVE-2017-9077 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. The tcp_v6_syn_recv_sock function in net/ipv6/tcp_ipv6.c in the Linux kernel through 4.11.1 mishandles inheritance, which allows local users to cause a denial of service or possibly have unspecified other impact via crafted system calls, a related issue to CVE-2017-8890.. EPSS estimates a 0.72% chance of exploitation in the next 30 days.

Description

The tcp_v6_syn_recv_sock function in net/ipv6/tcp_ipv6.c in the Linux kernel through 4.11.1 mishandles inheritance, which allows local users to cause a denial of service or possibly have unspecified other impact via crafted system calls, a related issue to CVE-2017-8890.

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
0.72%

49.3th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
LinuxLinux Kernel< 3.2.89
LinuxLinux Kernel>= 3.3, < 3.16.44
LinuxLinux Kernel>= 3.17, < 3.18.84
LinuxLinux Kernel>= 3.19, < 4.4.71
LinuxLinux Kernel>= 4.5, < 4.9.31
LinuxLinux Kernel>= 4.10, < 4.11.4

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2017-9077?
The tcp_v6_syn_recv_sock function in net/ipv6/tcp_ipv6.c in the Linux kernel through 4.11.1 mishandles inheritance, which allows local users to cause a denial of service or possibly have unspecified other impact via crafted system calls, a related issue to CVE-2017-8890.
How severe is CVE-2017-9077?
CVE-2017-9077 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.72% probability of exploitation in the next 30 days.
How do I fix CVE-2017-9077?
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-2017-9077?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST