CVE-2017-15265 Information

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.

CVSS Vector

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

Reference

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/security-alerts/cpujul2020.html https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.0