SUSE-SU-2021:3440-1: important: Security update for the Linux Kernel (Live Patch 22 for SLE 15)
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Thu Oct 14 13:16:32 UTC 2021
SUSE Security Update: Security update for the Linux Kernel (Live Patch 22 for SLE 15)
______________________________________________________________________________
Announcement ID: SUSE-SU-2021:3440-1
Rating: important
References: #1187054 #1188613 #1190118 #1190350
Cross-References: CVE-2021-3573 CVE-2021-3640 CVE-2021-3715
CVE-2021-38160
CVSS scores:
CVE-2021-3573 (SUSE): 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVE-2021-3640 (SUSE): 7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVE-2021-3715 (SUSE): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVE-2021-38160 (SUSE): 7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products:
SUSE Linux Enterprise Module for Live Patching 15
______________________________________________________________________________
An update that fixes four vulnerabilities is now available.
Description:
This update for the Linux Kernel 4.12.14-150_66 fixes several issues.
The following security issues were fixed:
- CVE-2021-3715: Fixed a user-after-free in the Linux kernel's Traffic
Control networking subsystem which could lead to local privilege
escalation. (bsc#1190350).
- CVE-2021-38160: Fixed a bug that could lead to a data corruption or
loss. This can be triggered by an untrusted device that supplies a
buf->len value exceeding the buffer size in
drivers/char/virtio_console.c (bsc#1190118)
- CVE-2021-3640: Fixed a user-after-free bug in the function
sco_sock_sendmsg which could lead to local privilege escalation.
(bsc#1188613)
- CVE-2021-3573: Fixed a user-after-free bug in the function
hci_sock_bound_ioctl which could lead to local privilege escalation.
(bsc#1187054).
Patch Instructions:
To install this SUSE Security Update use the SUSE recommended installation methods
like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:
- SUSE Linux Enterprise Module for Live Patching 15:
zypper in -t patch SUSE-SLE-Module-Live-Patching-15-2021-3426=1 SUSE-SLE-Module-Live-Patching-15-2021-3440=1
Package List:
- SUSE Linux Enterprise Module for Live Patching 15 (ppc64le x86_64):
kernel-livepatch-4_12_14-150_63-default-13-2.2
kernel-livepatch-4_12_14-150_63-default-debuginfo-13-2.2
kernel-livepatch-4_12_14-150_66-default-11-2.2
kernel-livepatch-4_12_14-150_66-default-debuginfo-11-2.2
References:
https://www.suse.com/security/cve/CVE-2021-3573.html
https://www.suse.com/security/cve/CVE-2021-3640.html
https://www.suse.com/security/cve/CVE-2021-3715.html
https://www.suse.com/security/cve/CVE-2021-38160.html
https://bugzilla.suse.com/1187054
https://bugzilla.suse.com/1188613
https://bugzilla.suse.com/1190118
https://bugzilla.suse.com/1190350
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