QID 750848

Date Published: 2021-07-21

QID 750848: SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:2416-1)(Sequoia)

The suse linux enterprise 12 sp5 kernel was updated to receive various security and bugfixes.
The following security bugs were fixed: - cve-2021-22555: fixed an heap out-of-bounds write in net/netfilter/x_tables.c that could allow local provilege escalation.
(bsc#1188116) - cve-2021-33909: fixed an out-of-bounds write in the filesystem layer that allows to obtain full root privileges. (
Bsc#1188062) - cve-2021-3609: fixed a race condition in the can bcm networking protocol which allows for local privilege escalation. (
Bsc#1187215) - cve-2021-3612: fixed an out-of-bounds memory write flaw which could allows a local user to crash the system or possibly escalate their privileges on the system. (
Bsc#1187585) - cve-2020-36385: fixed a use-after-free flaw in ucma.c which allows for local privilege escalation. (

Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

Successful exploitation allows attacker to compromise the system.

  • CVSS V3 rated as High - 7.8 severity.
  • CVSS V2 rated as High - 7.2 severity.
  • Solution
    Upgrade to the latest package which contains the patch. To install this SUSE Security, Update use YaST online_update. Alternatively you can run the command listed for your product. To install packages using the command line interface, use command "yum update". Refer to Suse security advisory: SUSE-SU-2021:2416-1 to address this issue and obtain further details.
    Software Advisories
    Advisory ID Software Component Link
    SUSE-SU-2021:2416-1 SUSE Enterprise Linux URL Logo lists.suse.com/pipermail/sle-security-updates/2021-July/009169.html