QID 174874

Date Published: 2021-04-08

QID 174874: SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 38 for SLE 12 SP3) (SUSE-SU-2021:1074-1)

This update for the Linux Kernel 4.4.180-94_141 fixes several issues.

The following security issues were fixed:

- CVE-2021-27365: Fixed an issue where data structures did not have
appropriate length constraints or checks, and could exceed the PAGE_SIZE
value (bsc#1183491).
- CVE-2021-27363: Fixed a kernel pointer leak which could have been used
to determine the address of the iscsi_transport structure (bsc#1183120).
- CVE-2021-27364: Fixed an issue where an unprivileged user could craft
Netlink messages (bsc#1182717).
- CVE-2020-25645: Fixed an an issue in IPsec that caused traffic between
two Geneve endpoints to be unencrypted (bsc#1177513).
- CVE-2020-0429: Fixed a memory corruption due to a use after free which
could have led to local escalation of privilege with System execution
privileges needed (bsc#1176931).
- CVE-2020-1749: Use ip6_dst_lookup_flow instead of ip6_dst_lookup
(bsc#1165631).

Successful exploitation allows attacker to compromise the system.

CVSS V3 rated as High - 7.8 severity.

CVSS V2 rated as Medium - 5 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-2021:1074-1 to address this issue and obtain further details.

Vendor References

SUSE-SU-2021:1074-1 - lists.suse.com/pipermail/sle-security-updates/2021-April/008590.html

CVEs related to QID 174874

CVE-2020-25645 | CVE-2021-27363 | CVE-2020-1749 | CVE-2021-27364 | CVE-2020-0429 | CVE-2021-27365 |

Software Advisories

Advisory ID	Software	Component	Link
SUSE-SU-2021:1074-1	SUSE Enterprise Linux		lists.suse.com/pipermail/sle-security-updates/2021-April/008590.html

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