CVE-2018-7566

high

Description

The Linux kernel 4.15 has a Buffer Overflow via an SNDRV_SEQ_IOCTL_SET_CLIENT_POOL ioctl write operation to /dev/snd/seq by a local user.

References

http://lists.opensuse.org/opensuse-security-announce/2018-03/msg00067.html

http://mailman.alsa-project.org/pipermail/alsa-devel/2018-February/132026.html

http://www.securityfocus.com/bid/103605

https://access.redhat.com/errata/RHSA-2018:2384

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

https://access.redhat.com/errata/RHSA-2018:2395

https://access.redhat.com/errata/RHSA-2018:2948

https://access.redhat.com/errata/RHSA-2019:1483

https://access.redhat.com/errata/RHSA-2019:1487

https://bugzilla.redhat.com/show_bug.cgi?id=1550142

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d15d662e89fc667b90cd294b0eb45694e33144da

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

https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html

https://usn.ubuntu.com/3631-1/

https://usn.ubuntu.com/3631-2/

https://usn.ubuntu.com/3798-1/

https://usn.ubuntu.com/3798-2/

https://www.debian.org/security/2018/dsa-4187

https://www.debian.org/security/2018/dsa-4188

https://www.oracle.com/security-alerts/cpujul2020.html

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

Details

Source: MITRE

Published: 2018-03-30

Updated: 2020-08-24

Type: CWE-362

Risk Information

CVSS v2

Base Score: 4.6

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

Impact Score: 6.4

Exploitability Score: 3.9

Severity: MEDIUM

CVSS v3

Base Score: 7.8

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

Impact Score: 5.9

Exploitability Score: 1.8

Severity: HIGH