openEuler 20.03 LTS SP3 update for kernel
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2020-36766 CVE-2023-42753 |
| CWE-ID | CWE-401 CWE-787 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software |
openEuler Operating systems & Components / Operating system kernel-debugsource Operating systems & Components / Operating system package or component kernel-devel Operating systems & Components / Operating system package or component python3-perf Operating systems & Components / Operating system package or component python2-perf-debuginfo 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 bpftool-debuginfo Operating systems & Components / Operating system package or component perf Operating systems & Components / Operating system package or component bpftool Operating systems & Components / Operating system package or component kernel-debuginfo Operating systems & Components / Operating system package or component kernel-tools-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 python2-perf 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) Memory leak
EUVDB-ID: #VU81922
Risk: Low
CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2020-36766
CWE-ID:
CWE-401 - Missing release of memory after effective lifetime
Exploit availability: No
DescriptionThe vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due memory leak in drivers/media/cec/core/cec-api.c in Linux kernel. A local user can force the system to leak memory.
Install updates from vendor's repository.
Vulnerable software versionsopenEuler: 20.03 LTS SP3
kernel-debugsource: before 4.19.90-2310.2.0.0221
kernel-devel: before 4.19.90-2310.2.0.0221
python3-perf: before 4.19.90-2310.2.0.0221
python2-perf-debuginfo: before 4.19.90-2310.2.0.0221
python3-perf-debuginfo: before 4.19.90-2310.2.0.0221
perf-debuginfo: before 4.19.90-2310.2.0.0221
kernel-tools-devel: before 4.19.90-2310.2.0.0221
bpftool-debuginfo: before 4.19.90-2310.2.0.0221
perf: before 4.19.90-2310.2.0.0221
bpftool: before 4.19.90-2310.2.0.0221
kernel-debuginfo: before 4.19.90-2310.2.0.0221
kernel-tools-debuginfo: before 4.19.90-2310.2.0.0221
kernel-tools: before 4.19.90-2310.2.0.0221
kernel-source: before 4.19.90-2310.2.0.0221
python2-perf: before 4.19.90-2310.2.0.0221
kernel: before 4.19.90-2310.2.0.0221
CPE2.3- cpe:2.3:o:openeuler:openeuler:20.03:LTS SP3:*:*:*:*:*:*
- cpe:2.3:a:openeuler:kernel-debugsource:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:kernel-devel:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:python3-perf:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:python2-perf-debuginfo:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:python3-perf-debuginfo:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:perf-debuginfo:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:kernel-tools-devel:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:bpftool-debuginfo:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:perf:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:bpftool:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:kernel-debuginfo:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:kernel-tools-debuginfo:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:kernel-tools:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:kernel-source:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:python2-perf:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:kernel:*:*:*:*:*:openeuler:*:*
https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2023-1728
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 write
EUVDB-ID: #VU81663
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-2023-42753
CWE-ID:
CWE-787 - Out-of-bounds write
Exploit availability: No
Description The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error in the netfilter subsystem in Linux kernel. A local user can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.
Install updates from vendor's repository.
Vulnerable software versionsopenEuler: 20.03 LTS SP3
kernel-debugsource: before 4.19.90-2310.2.0.0221
kernel-devel: before 4.19.90-2310.2.0.0221
python3-perf: before 4.19.90-2310.2.0.0221
python2-perf-debuginfo: before 4.19.90-2310.2.0.0221
python3-perf-debuginfo: before 4.19.90-2310.2.0.0221
perf-debuginfo: before 4.19.90-2310.2.0.0221
kernel-tools-devel: before 4.19.90-2310.2.0.0221
bpftool-debuginfo: before 4.19.90-2310.2.0.0221
perf: before 4.19.90-2310.2.0.0221
bpftool: before 4.19.90-2310.2.0.0221
kernel-debuginfo: before 4.19.90-2310.2.0.0221
kernel-tools-debuginfo: before 4.19.90-2310.2.0.0221
kernel-tools: before 4.19.90-2310.2.0.0221
kernel-source: before 4.19.90-2310.2.0.0221
python2-perf: before 4.19.90-2310.2.0.0221
kernel: before 4.19.90-2310.2.0.0221
CPE2.3- cpe:2.3:o:openeuler:openeuler:20.03:LTS SP3:*:*:*:*:*:*
- cpe:2.3:a:openeuler:kernel-debugsource:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:kernel-devel:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:python3-perf:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:python2-perf-debuginfo:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:python3-perf-debuginfo:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:perf-debuginfo:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:kernel-tools-devel:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:bpftool-debuginfo:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:perf:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:bpftool:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:kernel-debuginfo:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:kernel-tools-debuginfo:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:kernel-tools:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:kernel-source:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:python2-perf:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:kernel:*:*:*:*:*:openeuler:*:*
https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2023-1728
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.
