openEuler 20.03 LTS SP3 update for kernel
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2023-31084 CVE-2023-2985 |
| CWE-ID | CWE-833 CWE-416 |
| 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 kernel-source 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 kernel-tools 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 python3-perf Operating systems & Components / Operating system package or component perf Operating systems & Components / Operating system package or component kernel-devel Operating systems & Components / Operating system package or component kernel-debuginfo Operating systems & Components / Operating system package or component bpftool 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-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 information about 2 vulnerabilities.
1) Deadlock
EUVDB-ID: #VU77246
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-2023-31084
CWE-ID:
CWE-833 - Deadlock
Exploit availability: No
DescriptionThe vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a deadlock in drivers/media/dvb-core/dvb_frontend.c when a task is in !TASK_RUNNING. A local user can trigger a deadlock and crash the kernel.
Install updates from vendor's repository.
Vulnerable software versionsopenEuler: 20.03 LTS SP3
python2-perf: before 4.19.90-2306.4.0.0206
kernel-source: before 4.19.90-2306.4.0.0206
kernel-tools-devel: before 4.19.90-2306.4.0.0206
bpftool-debuginfo: before 4.19.90-2306.4.0.0206
kernel-tools: before 4.19.90-2306.4.0.0206
python3-perf-debuginfo: before 4.19.90-2306.4.0.0206
python2-perf-debuginfo: before 4.19.90-2306.4.0.0206
python3-perf: before 4.19.90-2306.4.0.0206
perf: before 4.19.90-2306.4.0.0206
kernel-devel: before 4.19.90-2306.4.0.0206
kernel-debuginfo: before 4.19.90-2306.4.0.0206
bpftool: before 4.19.90-2306.4.0.0206
perf-debuginfo: before 4.19.90-2306.4.0.0206
kernel-debugsource: before 4.19.90-2306.4.0.0206
kernel-tools-debuginfo: before 4.19.90-2306.4.0.0206
kernel: before 4.19.90-2306.4.0.0206
CPE2.3- cpe:2.3:o:openeuler:openeuler:20.03:LTS SP3:*:*:*:*:*:*
- cpe:2.3:a:openeuler:python2-perf:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:kernel-source:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:kernel-tools-devel:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:bpftool-debuginfo:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:kernel-tools:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:python3-perf-debuginfo:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:python2-perf-debuginfo:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:python3-perf:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:perf:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:kernel-devel:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:kernel-debuginfo:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:bpftool:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:perf-debuginfo:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:kernel-debugsource:*:*:*:*:*: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-2023-1368
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) Use-after-free
EUVDB-ID: #VU77495
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-2023-2985
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a use-after-free error within the hfsplus_put_super() function in fs/hfsplus/super.c. A local user can trigger a use-after-free error and crash the kernel.
Install updates from vendor's repository.
Vulnerable software versionsopenEuler: 20.03 LTS SP3
python2-perf: before 4.19.90-2306.4.0.0206
kernel-source: before 4.19.90-2306.4.0.0206
kernel-tools-devel: before 4.19.90-2306.4.0.0206
bpftool-debuginfo: before 4.19.90-2306.4.0.0206
kernel-tools: before 4.19.90-2306.4.0.0206
python3-perf-debuginfo: before 4.19.90-2306.4.0.0206
python2-perf-debuginfo: before 4.19.90-2306.4.0.0206
python3-perf: before 4.19.90-2306.4.0.0206
perf: before 4.19.90-2306.4.0.0206
kernel-devel: before 4.19.90-2306.4.0.0206
kernel-debuginfo: before 4.19.90-2306.4.0.0206
bpftool: before 4.19.90-2306.4.0.0206
perf-debuginfo: before 4.19.90-2306.4.0.0206
kernel-debugsource: before 4.19.90-2306.4.0.0206
kernel-tools-debuginfo: before 4.19.90-2306.4.0.0206
kernel: before 4.19.90-2306.4.0.0206
CPE2.3- cpe:2.3:o:openeuler:openeuler:20.03:LTS SP3:*:*:*:*:*:*
- cpe:2.3:a:openeuler:python2-perf:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:kernel-source:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:kernel-tools-devel:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:bpftool-debuginfo:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:kernel-tools:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:python3-perf-debuginfo:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:python2-perf-debuginfo:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:python3-perf:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:perf:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:kernel-devel:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:kernel-debuginfo:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:bpftool:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:perf-debuginfo:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:kernel-debugsource:*:*:*:*:*: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-2023-1368
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.
