Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
EUVDB-ID: #VU81922
Risk: Low
CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
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 SP1
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 External linkshttp://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2023-1727
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.
EUVDB-ID: #VU81663
Risk: Low
CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
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 SP1
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 External linkshttp://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2023-1727
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.