openEuler 20.03 LTS SP1 update for kernel



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-20141
CWE-ID CWE-264
Exploitation vector Local
Public exploit N/A
Vulnerable software
openEuler
Operating systems & Components / Operating system

kernel-tools-debuginfo
Operating systems & Components / Operating system package or component

python2-perf-debuginfo
Operating systems & Components / Operating system package or component

perf-debuginfo
Operating systems & Components / Operating system package or component

kernel-tools
Operating systems & Components / Operating system package or component

kernel-debuginfo
Operating systems & Components / Operating system package or component

kernel-tools-devel
Operating systems & Components / Operating system package or component

kernel-source
Operating systems & Components / Operating system package or component

bpftool-debuginfo
Operating systems & Components / Operating system package or component

python3-perf
Operating systems & Components / Operating system package or component

bpftool
Operating systems & Components / Operating system package or component

python3-perf-debuginfo
Operating systems & Components / Operating system package or component

python2-perf
Operating systems & Components / Operating system package or component

kernel-debugsource
Operating systems & Components / Operating system package or component

perf
Operating systems & Components / Operating system package or component

kernel-devel
Operating systems & Components / Operating system package or component

kernel
Operating systems & Components / Operating system package or component

Vendor openEuler

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU64134

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-2022-20141

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 improper imposition of security restrictions in the Linux kernel's components. A local user can trigger the vulnerability to bypass security restrictions bypass 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 4.19.90-2107.4.0.0097

python2-perf-debuginfo: before 4.19.90-2107.4.0.0097

perf-debuginfo: before 4.19.90-2107.4.0.0097

kernel-tools: before 4.19.90-2107.4.0.0097

kernel-debuginfo: before 4.19.90-2107.4.0.0097

kernel-tools-devel: before 4.19.90-2107.4.0.0097

kernel-source: before 4.19.90-2107.4.0.0097

bpftool-debuginfo: before 4.19.90-2107.4.0.0097

python3-perf: before 4.19.90-2107.4.0.0097

bpftool: before 4.19.90-2107.4.0.0097

python3-perf-debuginfo: before 4.19.90-2107.4.0.0097

python2-perf: before 4.19.90-2107.4.0.0097

kernel-debugsource: before 4.19.90-2107.4.0.0097

perf: before 4.19.90-2107.4.0.0097

kernel-devel: before 4.19.90-2107.4.0.0097

kernel: before 4.19.90-2107.4.0.0097

CPE2.3 External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-1837


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.



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