openEuler update for kernel
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-33098 |
| CWE-ID | CWE-20 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software |
openEuler Operating systems & Components / Operating system python2-perf Operating systems & Components / Operating system package or component bpftool Operating systems & Components / Operating system package or component kernel-devel Operating systems & Components / Operating system package or component perf-debuginfo Operating systems & Components / Operating system package or component kernel-debugsource Operating systems & Components / Operating system package or component kernel-debuginfo Operating systems & Components / Operating system package or component kernel-tools-devel Operating systems & Components / Operating system package or component python3-perf Operating systems & Components / Operating system package or component python3-perf-debuginfo Operating systems & Components / Operating system package or component python2-perf-debuginfo Operating systems & Components / Operating system package or component perf Operating systems & Components / Operating system package or component kernel-source 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-tools-debuginfo 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 one low risk vulnerability.
1) Input validation error
EUVDB-ID: #VU87773
Risk: Low
CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2021-33098
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input. A local user can perform a denial of service (DoS) attack.
Install updates from vendor's repository.
Vulnerable software versionsopenEuler: 20.03 LTS SP1 - 20.03 LTS SP2
python2-perf: before 4.19.90-2112.3.0.0127
bpftool: before 4.19.90-2112.3.0.0127
kernel-devel: before 4.19.90-2112.3.0.0127
perf-debuginfo: before 4.19.90-2112.3.0.0127
kernel-debugsource: before 4.19.90-2112.3.0.0127
kernel-debuginfo: before 4.19.90-2112.3.0.0127
kernel-tools-devel: before 4.19.90-2112.3.0.0127
python3-perf: before 4.19.90-2112.3.0.0127
python3-perf-debuginfo: before 4.19.90-2112.3.0.0127
python2-perf-debuginfo: before 4.19.90-2112.3.0.0127
perf: before 4.19.90-2112.3.0.0127
kernel-source: before 4.19.90-2112.3.0.0127
bpftool-debuginfo: before 4.19.90-2112.3.0.0127
kernel-tools: before 4.19.90-2112.3.0.0127
kernel-tools-debuginfo: before 4.19.90-2112.3.0.0127
kernel: before 4.19.90-2112.3.0.0127
CPE2.3- cpe:2.3:o:openeuler:openeuler:20.03:LTS SP1:*:*:*:*:*:*
- cpe:2.3:o:openeuler:openeuler:20.03:LTS SP2:*:*:*:*:*:*
- cpe:2.3:a:openeuler:python2-perf:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:bpftool:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:kernel-devel:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:perf-debuginfo:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:kernel-debugsource:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:kernel-debuginfo:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:kernel-tools-devel:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:python3-perf:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:python3-perf-debuginfo:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:python2-perf-debuginfo:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:perf:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:kernel-source:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:bpftool-debuginfo:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:kernel-tools:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:kernel-tools-debuginfo:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:kernel:*:*:*:*:*:openeuler:*:*
https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2021-1465
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.
