CVE-2017-15265

low-risk
Published 2017-10-16

Race condition in the ALSA subsystem in the Linux kernel before 4.13.8 allows local users to cause a denial of service (use-after-free) or possibly have unspecified other impact via crafted /dev/snd/seq ioctl calls, related to sound/core/seq/seq_clientmgr.c and sound/core/seq/seq_ports.c.

Do I need to act?

-
0.11% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.0/10 High
LOCAL / HIGH complexity

Affected Products (1)

Affected Vendors

Linux

References (44)

Issue Tracking http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=711059...
Mailing List http://mailman.alsa-project.org/pipermail/alsa-devel/2017-October/126292.html
Release Notes http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.8
Mailing List http://www.openwall.com/lists/oss-security/2017/10/11/3
Third Party Advisory http://www.securityfocus.com/bid/101288
Third Party Advisory http://www.securitytracker.com/id/1039561
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:0676
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:1062
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:1130
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:1170
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:2390
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:3822
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:3823
Issue Tracking https://bugzilla.suse.com/show_bug.cgi?id=1062520
Issue Tracking https://github.com/torvalds/linux/commit/71105998845fb012937332fe2e806d443c09e02...
Third Party Advisory https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+Struxur...
Mailing List https://lists.debian.org/debian-lts-announce/2017/12/msg00004.html
Third Party Advisory https://source.android.com/security/bulletin/2018-02-01
Third Party Advisory https://usn.ubuntu.com/3698-1/
Third Party Advisory https://usn.ubuntu.com/3698-2/
and 24 more references
23
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal