CVE-2017-15265

MEDIUM

Description

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.

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=71105998845fb012937332fe2e806d443c09e026

http://mailman.alsa-project.org/pipermail/alsa-devel/2017-October/126292.html

http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.8

http://www.openwall.com/lists/oss-security/2017/10/11/3

http://www.securityfocus.com/bid/101288

http://www.securitytracker.com/id/1039561

https://access.redhat.com/errata/RHSA-2018:0676

https://access.redhat.com/errata/RHSA-2018:1062

https://access.redhat.com/errata/RHSA-2018:1130

https://access.redhat.com/errata/RHSA-2018:1170

https://access.redhat.com/errata/RHSA-2018:2390

https://access.redhat.com/errata/RHSA-2018:3822

https://access.redhat.com/errata/RHSA-2018:3823

https://bugzilla.suse.com/show_bug.cgi?id=1062520

https://github.com/torvalds/linux/commit/71105998845fb012937332fe2e806d443c09e026

https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0

https://lists.debian.org/debian-lts-announce/2017/12/msg00004.html

https://source.android.com/security/bulletin/2018-02-01

https://usn.ubuntu.com/3698-1/

https://usn.ubuntu.com/3698-2/

https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html

Details

Source: MITRE

Published: 2017-10-16

Updated: 2019-04-23

Type: CWE-416

Risk Information

CVSS v2.0

Base Score: 6.9

Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C

Impact Score: 10

Exploitability Score: 3.4

Severity: MEDIUM

CVSS v3.0

Base Score: 7

Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 1

Severity: HIGH