Anolis OS update for kernel(ANCK)4.19



| Updated: 2025-03-28
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-3176
CWE-ID CWE-416
Exploitation vector Local
Public exploit N/A
Vulnerable software
Anolis OS
Operating systems & Components / Operating system

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

perf
Operating systems & Components / Operating system package or component

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

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

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

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

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

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

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

kernel
Operating systems & Components / Operating system package or component

bpftool
Operating systems & Components / Operating system package or component

Vendor OpenAnolis

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Use-after-free

EUVDB-ID: #VU68109

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-2022-3176

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

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

The vulnerability exists due to a use-after-free error in io_uring implementation in the Linux kernel. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Anolis OS: 7

python-perf: before 4.19.91-26.5

perf: before 4.19.91-26.5

kernel-tools-libs-devel: before 4.19.91-26.5

kernel-tools-libs: before 4.19.91-26.5

kernel-tools: before 4.19.91-26.5

kernel-headers: before 4.19.91-26.5

kernel-devel: before 4.19.91-26.5

kernel-debug-devel: before 4.19.91-26.5

kernel-debug: before 4.19.91-26.5

kernel: before 4.19.91-26.5

bpftool: before 4.19.91-26.5

CPE2.3 External links

https://anas.openanolis.cn/errata/detail/ANSA-2022:0730


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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