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CVE-2017-15265

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Date: October 16, 2017

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.

Language: C

Severity Score

Related Resources (26)

https://access.redhat.com/errata/RHSA-2018:0676
https://access.redhat.com/errata/RHSA-2018:3823
https://access.redhat.com/errata/RHSA-2018:3822
https://source.android.com/security/bulletin/2018-02-01
https://usn.ubuntu.com/3698-1/
https://access.redhat.com/errata/RHSA-2018:1170
https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
https://github.com/torvalds/linux/commit/71105998845fb012937332fe2e806d443c09e026
http://www.securitytracker.com/id/1039561
https://www.oracle.com/security-alerts/cpujul2020.html
https://access.redhat.com/errata/RHSA-2018:1130
https://nvd.nist.gov/vuln/detail/CVE-2017-15265
https://access.redhat.com/security/cve/CVE-2017-15265
http://www.securityfocus.com/bid/101288
https://bugzilla.suse.com/show_bug.cgi?id=1062520
http://www.openwall.com/lists/oss-security/2017/10/11/3
https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=71105998845fb012937332fe2e806d443c09e026
https://access.redhat.com/errata/RHSA-2018:1062
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.8
https://usn.ubuntu.com/3698-2/
https://access.redhat.com/errata/RHSA-2018:2390
https://people.canonical.com/~ubuntu-security/cve/CVE-2017-15265
https://lists.debian.org/debian-lts-announce/2017/12/msg00004.html
http://mailman.alsa-project.org/pipermail/alsa-devel/2017-October/126292.html
https://www.mend.io/vulnerability-database/CVE-2017-15265

Severity Score

Weakness Type (CWE)

Race Conditions

CWE-362

Use After Free

CWE-416

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): HIGH
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE
Additional information:

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