Veracode Vulnerability DatabaseVERACODE:13225Denial Of Service (DoS)
7 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
6.9 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:M/Au:N/C:C/I:C/A:C
Linux kernel is vulnerable to denial of service. Local users are able to exploit a race condition in the ALSA subsystem to crash the application via malicious /dev/snd/seq ioctl calls. The crash is a result of a use-after-free (UAF) bug in snd_seq_ioctl_create_port().
References
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=71105998845fb012937332fe2e806d443c09e026
mailman.alsa-project.org/pipermail/alsa-devel/2017-October/126292.html
www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.8
www.openwall.com/lists/oss-security/2017/10/11/3
www.securityfocus.com/bid/101288
www.securitytracker.com/id/1039561
access.redhat.com/errata/RHSA-2018:0676
access.redhat.com/errata/RHSA-2018:1062
access.redhat.com/errata/RHSA-2018:1130
access.redhat.com/errata/RHSA-2018:1170
access.redhat.com/errata/RHSA-2018:2390
access.redhat.com/errata/RHSA-2018:3822
access.redhat.com/errata/RHSA-2018:3823
access.redhat.com/security/updates/classification/#moderate
bugzilla.suse.com/show_bug.cgi?id=1062520
github.com/torvalds/linux/commit/71105998845fb012937332fe2e806d443c09e026
help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0
lists.debian.org/debian-lts-announce/2017/12/msg00004.html
source.android.com/security/bulletin/2018-02-01
usn.ubuntu.com/3698-1/
usn.ubuntu.com/3698-2/
www.oracle.com/security-alerts/cpujul2020.html
www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
Related
7 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
6.9 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:M/Au:N/C:C/I:C/A:C