CVE-2017-5970

Description

The ipv4_pktinfo_prepare function in net/ipv4/ip_sockglue.c in the Linux kernel through 4.9.9 allows attackers to cause a denial of service (system crash) via (1) an application that makes crafted system calls or possibly (2) IPv4 traffic with invalid IP options.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 1.75% Top 20%
Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory debian.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://patchwork.ozlabs.org/patch/724136/ third party advisory patch
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=34b2cef20f19c87999fff3da4071e66937db9644 issue tracking patch
http://www.openwall.com/lists/oss-security/2017/02/12/3 mailing list third party advisory patch
https://source.android.com/security/bulletin/2017-07-01
https://access.redhat.com/errata/RHSA-2017:2669 vendor advisory
http://www.securityfocus.com/bid/96233 vdb entry
https://access.redhat.com/errata/RHSA-2017:2077 vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1421638 issue tracking patch
https://access.redhat.com/errata/RHSA-2017:1842 vendor advisory
https://github.com/torvalds/linux/commit/34b2cef20f19c87999fff3da4071e66937db9644 issue tracking third party advisory patch
http://www.debian.org/security/2017/dsa-3791 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2017-5970?
CVE-2017-5970 has been scored as a high severity vulnerability.
How to fix CVE-2017-5970?
To fix CVE-2017-5970, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-5970 being actively exploited in the wild?
It is possible that CVE-2017-5970 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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