Anolis OS update for kernel(ANCK)4.19
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2023-32233 |
| CWE-ID | CWE-416 |
| Exploitation vector | Local |
| Public exploit | Public exploit code for vulnerability #1 is available. |
| 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: #VU75807
Risk: Low
CVSSv4.0: 7.1 [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:P/U:Clear]
CVE-ID: CVE-2023-32233
CWE-ID:
CWE-416 - Use After Free
Exploit availability: Yes
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error in Netfilter nf_tables when processing batch requests. A local user can trigger a use-after-free error and execute arbitrary code with root privileges.
Install updates from vendor's repository.
Vulnerable software versionsAnolis OS: 7
python-perf: before 4.19.91-27.4
perf: before 4.19.91-27.4
kernel-tools-libs-devel: before 4.19.91-27.4
kernel-tools-libs: before 4.19.91-27.4
kernel-tools: before 4.19.91-27.4
kernel-headers: before 4.19.91-27.4
kernel-devel: before 4.19.91-27.4
kernel-debug-devel: before 4.19.91-27.4
kernel-debug: before 4.19.91-27.4
kernel: before 4.19.91-27.4
bpftool: before 4.19.91-27.4
CPE2.3- cpe:2.3:o:openanolis:anolis_os:7:*:*:*:*:*:*:*
- 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-2023:0202
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, proof of concept for this vulnerability is available.
