SUSE update for the Linux Kernel (Live Patch 41 for SLE 12 SP3)

1) Buffer overflow

EUVDB-ID: #VU61205

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-25020

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error within the BPF subsystem in the Linux kernel in ernel/bpf/core.c and net/core/filter.c. The kernel mishandles situations with a long jump over an instruction sequence where inner instructions require substantial expansions into multiple BPF instructions. A local user can run a specially crafted program to trigger memory corruption and execute arbitrary code with elevated privileges.

Mitigation

Update the affected package the Linux Kernel (Live Patch 41 for SLE 12 SP3) to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server for SAP: 12-SP3

SUSE Linux Enterprise Server: 12-SP3-LTSS

kgraft-patch-4_4_180-94_150-default-debuginfo: before 3-2.2

kgraft-patch-4_4_180-94_150-default: before 3-2.2

CPE2.3

• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap:12-SP3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server:12-SP3-LTSS:*:*:*:*:*:*:*
• cpe:2.3:a:suse:kgraft-patch-4_4_180-94_150-default-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:kgraft-patch-4_4_180-94_150-default:*:*:*:*:*:suse_linux:*:*

External links

https://www.suse.com/support/update/announcement/2022/suse-su-20220329-1/

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.

2) Resource exhaustion

EUVDB-ID: #VU19181

Risk: Low

CVSSv4.0: 1.3 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2019-0136

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform denial of service (DoS) attack.

The vulnerability exists due to the software does not properly control the allocation and maintenance of a limited resource. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

The vulnerability affects Intel Dual Band Wireless-AC 8260 Windows10 Driver

Mitigation

Update the affected package the Linux Kernel (Live Patch 41 for SLE 12 SP3) to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server for SAP: 12-SP3

SUSE Linux Enterprise Server: 12-SP3-LTSS

kgraft-patch-4_4_180-94_150-default-debuginfo: before 3-2.2

kgraft-patch-4_4_180-94_150-default: before 3-2.2

CPE2.3

• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap:12-SP3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server:12-SP3-LTSS:*:*:*:*:*:*:*
• cpe:2.3:a:suse:kgraft-patch-4_4_180-94_150-default-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:kgraft-patch-4_4_180-94_150-default:*:*:*:*:*:suse_linux:*:*

External links

https://www.suse.com/support/update/announcement/2022/suse-su-20220329-1/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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