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CVE-2017-15649

UnknownEPSS 0.97%

Last modified

CVE-2017-15649 is a vulnerability of currently unknown severity. net/packet/af_packet.c in the Linux kernel before 4.13.6 allows local users to gain privileges via crafted system calls that trigger mishandling of packet_fanout data structures, because of a race condition (involving fanout_add and packet_do_bind) that leads to a use-after-free, a different vulnerability than CVE-2017-6346.. EPSS estimates a 0.97% chance of exploitation in the next 30 days.

Description

net/packet/af_packet.c in the Linux kernel before 4.13.6 allows local users to gain privileges via crafted system calls that trigger mishandling of packet_fanout data structures, because of a race condition (involving fanout_add and packet_do_bind) that leads to a use-after-free, a different vulnerability than CVE-2017-6346.

Metrics

EPSS Probability
0.97%

57.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
LinuxLinux Kernel<= 4.13.5

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2017-15649?
net/packet/af_packet.c in the Linux kernel before 4.13.6 allows local users to gain privileges via crafted system calls that trigger mishandling of packet_fanout data structures, because of a race condition (involving fanout_add and packet_do_bind) that leads to a use-after-free, a different vulnerability than CVE-2017-6346.
How severe is CVE-2017-15649?
Severity scoring for CVE-2017-15649 is pending analysis. The EPSS model estimates a 0.97% probability of exploitation in the next 30 days.
How do I fix CVE-2017-15649?
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.

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Source: NVD / NIST