Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
EUVDB-ID: #VU66808
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-2022-36123
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to Linux kernel lacks a certain clear operation for the block starting symbol (.bss). A local user on the Xen PV guest OS can perform a denial of service attack or escalate privileges on the guest OS.
Install updates from vendor's repository.
Vulnerable software versionsopenEuler: 20.03 LTS SP3
kernel-devel: before 4.19.90-2208.4.0.0163
python2-perf: before 4.19.90-2208.4.0.0163
python3-perf-debuginfo: before 4.19.90-2208.4.0.0163
perf: before 4.19.90-2208.4.0.0163
python3-perf: before 4.19.90-2208.4.0.0163
kernel-debuginfo: before 4.19.90-2208.4.0.0163
kernel-tools-debuginfo: before 4.19.90-2208.4.0.0163
bpftool: before 4.19.90-2208.4.0.0163
python2-perf-debuginfo: before 4.19.90-2208.4.0.0163
kernel-debugsource: before 4.19.90-2208.4.0.0163
kernel-tools-devel: before 4.19.90-2208.4.0.0163
perf-debuginfo: before 4.19.90-2208.4.0.0163
kernel-source: before 4.19.90-2208.4.0.0163
kernel-tools: before 4.19.90-2208.4.0.0163
bpftool-debuginfo: before 4.19.90-2208.4.0.0163
kernel: before 4.19.90-2208.4.0.0163
External linkshttp://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-1844
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: #VU67474
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-2022-20369
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 within the v4l2_m2m_querybuf() function in v4l2-mem2mem.c. A local user can trigger ab 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-devel: before 4.19.90-2208.4.0.0163
python2-perf: before 4.19.90-2208.4.0.0163
python3-perf-debuginfo: before 4.19.90-2208.4.0.0163
perf: before 4.19.90-2208.4.0.0163
python3-perf: before 4.19.90-2208.4.0.0163
kernel-debuginfo: before 4.19.90-2208.4.0.0163
kernel-tools-debuginfo: before 4.19.90-2208.4.0.0163
bpftool: before 4.19.90-2208.4.0.0163
python2-perf-debuginfo: before 4.19.90-2208.4.0.0163
kernel-debugsource: before 4.19.90-2208.4.0.0163
kernel-tools-devel: before 4.19.90-2208.4.0.0163
perf-debuginfo: before 4.19.90-2208.4.0.0163
kernel-source: before 4.19.90-2208.4.0.0163
kernel-tools: before 4.19.90-2208.4.0.0163
bpftool-debuginfo: before 4.19.90-2208.4.0.0163
kernel: before 4.19.90-2208.4.0.0163
External linkshttp://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-1844
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.