Anolis OS update for kernel(RHCK)3.10
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2022-0492 |
| CWE-ID | CWE-264 |
| Exploitation vector | Local |
| Public exploit | Public exploit code for vulnerability #1 is available. |
| Vulnerable software |
Anolis OS Operating systems & Components / Operating system kernel-doc Operating systems & Components / Operating system package or component kernel-abi-whitelists Operating systems & Components / Operating system package or component 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) Permissions, Privileges, and Access Controls
EUVDB-ID: #VU61245
Risk: Low
CVSSv4.0: 8.5 [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:A/U:Clear]
CVE-ID: CVE-2022-0492
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: Yes
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a logic error within the cgroup_release_agent_write() function in kernel/cgroup/cgroup-v1.c. A local user can use the cgroups v1 release_agent feature to escalate privileges and bypass the namespace isolation.
MitigationInstall updates from vendor's repository.
Vulnerable software versionsAnolis OS: 7
kernel-doc: before 3.10.0-1160.66.1.0.1
kernel-abi-whitelists: before 3.10.0-1160.66.1.0.1
python-perf: before 3.10.0-1160.66.1.0.1
perf: before 3.10.0-1160.66.1.0.1
kernel-tools-libs-devel: before 3.10.0-1160.66.1.0.1
kernel-tools-libs: before 3.10.0-1160.66.1.0.1
kernel-tools: before 3.10.0-1160.66.1.0.1
kernel-headers: before 3.10.0-1160.66.1.0.1
kernel-devel: before 3.10.0-1160.66.1.0.1
kernel-debug-devel: before 3.10.0-1160.66.1.0.1
kernel-debug: before 3.10.0-1160.66.1.0.1
kernel: before 3.10.0-1160.66.1.0.1
bpftool: before 3.10.0-1160.66.1.0.1
CPE2.3- cpe:2.3:o:openanolis:anolis_os:7:*:*:*:*:*:*:*
- cpe:2.3:o:openanolis:kernel-doc:*:*:*:*:*:anolis_os:*:*
- cpe:2.3:o:openanolis:kernel-abi-whitelists:*:*:*:*:*:anolis_os:*:*
- cpe:2.3:o:openanolis:python-perf:*:*:*:*:*:anolis_os:*:*
- cpe:2.3:o:openanolis:perf:*:*:*:*:*:anolis_os:*:*
- cpe:2.3:o:openanolis:kernel-tools-libs-devel:*:*:*:*:*:anolis_os:*:*
- cpe:2.3:o:openanolis:kernel-tools-libs:*:*:*:*:*:anolis_os:*:*
- cpe:2.3:o:openanolis:kernel-tools:*:*:*:*:*:anolis_os:*:*
- cpe:2.3:o:openanolis:kernel-headers:*:*:*:*:*:anolis_os:*:*
- cpe:2.3:o:openanolis:kernel-devel:*:*:*:*:*:anolis_os:*:*
- cpe:2.3:o:openanolis:kernel-debug-devel:*:*:*:*:*:anolis_os:*:*
- cpe:2.3:o:openanolis:kernel-debug:*:*:*:*:*:anolis_os:*:*
- cpe:2.3:o:openanolis:kernel:*:*:*:*:*:anolis_os:*:*
- cpe:2.3:o:openanolis:bpftool:*:*:*:*:*:anolis_os:*:*
https://anas.openanolis.cn/errata/detail/ANSA-2022:0150
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. However, a fully functional exploit for this vulnerability is available.
