openEuler 20.03 LTS SP1 update for kernel

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU64206

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-2022-20153

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

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

The vulnerability exists due to unspecified error in the Linux Kernel. A local user can bypass security restrictions and escalate privileges on the system.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1

kernel-tools-debuginfo: before 4.19.90-2111.7.0.0125

python2-perf: before 4.19.90-2111.7.0.0125

python3-perf-debuginfo: before 4.19.90-2111.7.0.0125

kernel-tools: before 4.19.90-2111.7.0.0125

perf: before 4.19.90-2111.7.0.0125

kernel-devel: before 4.19.90-2111.7.0.0125

python3-perf: before 4.19.90-2111.7.0.0125

perf-debuginfo: before 4.19.90-2111.7.0.0125

bpftool: before 4.19.90-2111.7.0.0125

bpftool-debuginfo: before 4.19.90-2111.7.0.0125

kernel-tools-devel: before 4.19.90-2111.7.0.0125

kernel-source: before 4.19.90-2111.7.0.0125

kernel-debugsource: before 4.19.90-2111.7.0.0125

kernel-debuginfo: before 4.19.90-2111.7.0.0125

python2-perf-debuginfo: before 4.19.90-2111.7.0.0125

kernel: before 4.19.90-2111.7.0.0125

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-1838

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.