openEuler 22.03 LTS update for kernel

Published: 2023-03-10

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2023-23586 CVE-2023-26607
CWE-ID	CWE-416 CWE-125
Exploitation vector	Local
Public exploit	N/A
Vulnerable software Subscribe	openEuler Operating systems & Components / Operating system kernel-debuginfo Operating systems & Components / Operating system package or component python3-perf Operating systems & Components / Operating system package or component bpftool-debuginfo Operating systems & Components / Operating system package or component kernel-tools Operating systems & Components / Operating system package or component kernel-source Operating systems & Components / Operating system package or component kernel-debugsource Operating systems & Components / Operating system package or component kernel-devel Operating systems & Components / Operating system package or component perf Operating systems & Components / Operating system package or component python3-perf-debuginfo Operating systems & Components / Operating system package or component perf-debuginfo Operating systems & Components / Operating system package or component kernel-tools-devel Operating systems & Components / Operating system package or component kernel-tools-debuginfo Operating systems & Components / Operating system package or component bpftool Operating systems & Components / Operating system package or component kernel-headers 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 information about 2 vulnerabilities.

1) Use-after-free

EUVDB-ID: #VU77256

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-23586

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to a use-after-free error in the io_uring subsystem. A local user can gain access to sensitive information.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 22.03 LTS

kernel-debuginfo: before 5.10.0-60.84.0.108

python3-perf: before 5.10.0-60.84.0.108

bpftool-debuginfo: before 5.10.0-60.84.0.108

kernel-tools: before 5.10.0-60.84.0.108

kernel-source: before 5.10.0-60.84.0.108

kernel-debugsource: before 5.10.0-60.84.0.108

kernel-devel: before 5.10.0-60.84.0.108

perf: before 5.10.0-60.84.0.108

python3-perf-debuginfo: before 5.10.0-60.84.0.108

perf-debuginfo: before 5.10.0-60.84.0.108

kernel-tools-devel: before 5.10.0-60.84.0.108

kernel-tools-debuginfo: before 5.10.0-60.84.0.108

bpftool: before 5.10.0-60.84.0.108

kernel-headers: before 5.10.0-60.84.0.108

kernel: before 5.10.0-60.84.0.108

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2023-1152

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) Out-of-bounds read

EUVDB-ID: #VU74125