CVE-2017-9242

Description

The __ip6_append_data function in net/ipv6/ip6_output.c in the Linux kernel through 4.11.3 is too late in checking whether an overwrite of an skb data structure may occur, which allows local users to cause a denial of service (system crash) via crafted system calls.

Category

5.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.05%
Vendor Advisory redhat.com Vendor Advisory debian.org Vendor Advisory redhat.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/98731 vdb entry third party advisory
https://patchwork.ozlabs.org/patch/764880/ broken link
https://github.com/torvalds/linux/commit/232cd35d0804cc241eb887bb8d4d9b3b9881c64a issue tracking third party advisory patch
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=232cd35d0804cc241eb887bb8d4d9b3b9881c64a issue tracking third party advisory patch
https://access.redhat.com/errata/RHSA-2017:2077 vendor advisory
http://www.debian.org/security/2017/dsa-3886 vendor advisory
https://access.redhat.com/errata/RHSA-2017:1842 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2017-9242?
CVE-2017-9242 has been scored as a medium severity vulnerability.
How to fix CVE-2017-9242?
To fix CVE-2017-9242, 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-2017-9242 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-9242 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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