QID 174952

QID 174952: SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 23 for SLE 15) (SUSE-SU-2021:1347-1)

This update for the Linux Kernel 4.12.14-150_69 fixes several issues.

The following security issues were fixed:

- CVE-2021-3444: Fixed an issue with the bpf verifier which did not
properly handle mod32 destination register truncation when the source
register was known to be 0 leading to out of bounds read (bsc#1184171).
- CVE-2021-28688: Fixed an issue introduced by XSA-365 (bsc##1182294,
bsc#1183646).

Successful exploitation allows attacker to compromise the system.

CVSS V3 rated as High - 7.8 severity.

CVSS V2 rated as Medium - 4.6 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-2021:1347-1 to address this issue and obtain further details.

Vendor References

SUSE-SU-2021:1347-1 - lists.suse.com/pipermail/sle-security-updates/2021-April/008685.html

CVEs related to QID 174952

CVE-2021-28688 | CVE-2021-3444 |

Software Advisories

Advisory ID	Software	Component	Link
SUSE-SU-2021:1347-1	SUSE Enterprise Linux		lists.suse.com/pipermail/sle-security-updates/2021-April/008685.html

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