SUSE update for the Linux Kernel (Live Patch 23 for SLE 15 SP3)

1) Integer overflow

EUVDB-ID: #VU63633

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-1116

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

The vulnerability allows a local user to execute code with elevated privileges.

The vulnerability exists due to integer overflow in the io_uring subsystem in the Linux kernel. A local user can trigger integer overflow, cause a denial of service or execute arbitrary code with elevated privileges.

Mitigation

Update the affected package the Linux Kernel (Live Patch 23 for SLE 15 SP3) to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Module for Live Patching: 15-SP3

SUSE Linux Enterprise Micro: 5.1

SUSE Linux Enterprise Server for SAP Applications: 15-SP3

SUSE Linux Enterprise Server: 15-SP3

SUSE Linux Enterprise High Performance Computing: 15-SP3

kernel-livepatch-5_3_18-150300_59_90-default: before 2-150300.2.1

External links

http://www.suse.com/support/update/announcement/2022/suse-su-20223080-1/

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.