The SUSE Linux Enterprise 12 SP5 kernel was updated to receive various security and bugfixes.

The following security bugs were fixed :

CVE-2020-15436: Fixed a use after free vulnerability in fs/block_dev.c which could have allowed local users to gain privileges or cause a denial of service (bsc#1179141).

CVE-2020-15437: Fixed a NULL pointer dereference which could have allowed local users to cause a denial of service(bsc#1179140).

CVE-2020-25668: Fixed a concurrency use-after-free in con_font_op (bsc#1178123).

CVE-2020-25669: Fixed a use-after-free read in sunkbd_reinit() (bsc#1178182).

CVE-2020-25704: Fixed a leak in perf_event_parse_addr_filter() (bsc#1178393).

CVE-2020-27777: Restrict RTAS requests from userspace (bsc#1179107)

CVE-2020-28915: Fixed a buffer over-read in the fbcon code which could have been used by local attackers to read kernel memory (bsc#1178886).

CVE-2020-28974: Fixed a slab-out-of-bounds read in fbcon which could have been used by local attackers to read privileged information or potentially crash the kernel (bsc#1178589).

CVE-2020-29371: Fixed uninitialized memory leaks to userspace (bsc#1179429).

CVE-2020-25705: Fixed an issue which could have allowed to quickly scan open UDP ports. This flaw allowed an off-path remote user to effectively bypassing source port UDP randomization (bsc#1175721).

The update package also includes non-security fixes. See advisory for details.

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Detections

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SUSE SLES12 Security Update : kernel (SUSE-SU-2020:3717-1)

high Nessus Plugin ID 143860

Version 1.9

Version 1.8

Version 1.8

Version 1.9 Feb 5, 2024, 4:13 PM CVSS temporal metrics ("CVSSv2 temporal vector" set to "CVSS2#E:POC/RL:OF/RC:C". "CVSSv3 temporal vector" set to "CVSS:3.0/E:P/RL:O/RC:C") Exploit attributes ("Exploit available" set to "True". "Exploitability ease" changed from "No known exploits are available" to "Exploits are available") Plugin Feed: 202402051613
Version 1.8 Dec 6, 2022, 2:54 AM Reference Plugin Feed: 202212060254
Version 1.8 Feb 5, 2024, 2:20 PM CVSS temporal metrics ("CVSSv2 temporal vector" set to "CVSS2#E:POC/RL:OF/RC:C") CVSS temporal metrics ("CVSSv3 temporal vector" set to "CVSS:3.0/E:P/RL:O/RC:C") Exploit attributes ("Exploit available" set to "True") Exploit attributes ("Exploitability ease" changed from "No known exploits are available" to "Exploits are available") Plugin Feed: 202402051420