CVE-2017-15115

Description

The sctp_do_peeloff function in net/sctp/socket.c in the Linux kernel before 4.14 does not check whether the intended netns is used in a peel-off action, which allows local users to cause a denial of service (use-after-free and system crash) or possibly have unspecified other impact via crafted system calls.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.04%
Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory kernel.org
Affected: n/a Linux kernel before 4.14-rc6
Published at:
Updated at:

References

Link Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1513345 issue tracking third party advisory patch
https://github.com/torvalds/linux/commit/df80cd9b28b9ebaa284a41df611dbf3a2d05ca74 issue tracking third party advisory patch
https://lists.debian.org/debian-lts-announce/2017/12/msg00004.html third party advisory mailing list
https://usn.ubuntu.com/3583-2/ third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.html third party advisory vendor advisory
https://patchwork.ozlabs.org/patch/827077/ issue tracking third party advisory patch
https://usn.ubuntu.com/3582-1/ third party advisory vendor advisory
https://source.android.com/security/bulletin/pixel/2018-04-01 third party advisory
https://usn.ubuntu.com/3583-1/ third party advisory vendor advisory
http://www.securityfocus.com/bid/101877 vdb entry third party advisory
https://usn.ubuntu.com/3581-1/ third party advisory vendor advisory
https://usn.ubuntu.com/3581-3/ third party advisory vendor advisory
https://usn.ubuntu.com/3581-2/ third party advisory vendor advisory
http://seclists.org/oss-sec/2017/q4/282 issue tracking mailing list third party advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=df80cd9b28b9ebaa284a41df611dbf3a2d05ca74 issue tracking patch vendor advisory
https://usn.ubuntu.com/3582-2/ third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2017-15115?
CVE-2017-15115 has been scored as a high severity vulnerability.
How to fix CVE-2017-15115?
To fix CVE-2017-15115, 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-2017-15115 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-15115 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.
What software or system is affected by CVE-2017-15115?
CVE-2017-15115 affects n/a Linux kernel before 4.14-rc6.
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