Security Bulletin
This security bulletin contains information about 7 vulnerabilities.
EUVDB-ID: #VU67476
Risk: Low
CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-2991
CWE-ID:
CWE-122 - Heap-based Buffer Overflow
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error within the LightNVM subsystem in Linux kernel. A local user can execute arbitrary code on the system with kernel privileges.
Install updates from vendor's repository.
Vulnerable software versionsopenEuler: 20.03 LTS SP3
bpftool-debuginfo: before 4.19.90-2209.4.0.0168
python2-perf: before 4.19.90-2209.4.0.0168
perf: before 4.19.90-2209.4.0.0168
python2-perf-debuginfo: before 4.19.90-2209.4.0.0168
python3-perf: before 4.19.90-2209.4.0.0168
kernel-tools-devel: before 4.19.90-2209.4.0.0168
kernel-tools: before 4.19.90-2209.4.0.0168
kernel-debuginfo: before 4.19.90-2209.4.0.0168
perf-debuginfo: before 4.19.90-2209.4.0.0168
kernel-tools-debuginfo: before 4.19.90-2209.4.0.0168
kernel-source: before 4.19.90-2209.4.0.0168
python3-perf-debuginfo: before 4.19.90-2209.4.0.0168
kernel-debugsource: before 4.19.90-2209.4.0.0168
bpftool: before 4.19.90-2209.4.0.0168
kernel-devel: before 4.19.90-2209.4.0.0168
kernel: before 4.19.90-2209.4.0.0168
External linkshttp://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-1926
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: #VU67511
Risk: Low
CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-27784
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 when accessing a deallocated instance in printer_ioctl(). 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
bpftool-debuginfo: before 4.19.90-2209.4.0.0168
python2-perf: before 4.19.90-2209.4.0.0168
perf: before 4.19.90-2209.4.0.0168
python2-perf-debuginfo: before 4.19.90-2209.4.0.0168
python3-perf: before 4.19.90-2209.4.0.0168
kernel-tools-devel: before 4.19.90-2209.4.0.0168
kernel-tools: before 4.19.90-2209.4.0.0168
kernel-debuginfo: before 4.19.90-2209.4.0.0168
perf-debuginfo: before 4.19.90-2209.4.0.0168
kernel-tools-debuginfo: before 4.19.90-2209.4.0.0168
kernel-source: before 4.19.90-2209.4.0.0168
python3-perf-debuginfo: before 4.19.90-2209.4.0.0168
kernel-debugsource: before 4.19.90-2209.4.0.0168
bpftool: before 4.19.90-2209.4.0.0168
kernel-devel: before 4.19.90-2209.4.0.0168
kernel: before 4.19.90-2209.4.0.0168
External linkshttp://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-1926
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: #VU68110
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-2022-39189
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a guest user to escalate privileges on the system.
The vulnerability exists due to incorrect handling of TLB flush operations in certain KVM_VCPU_PREEMPTED situations in the x86 KVM subsystem in the Linux kernel. An attacker with unprivileged access to the guest OS can escalate privileges on the guest.
Install updates from vendor's repository.
Vulnerable software versionsopenEuler: 20.03 LTS SP3
bpftool-debuginfo: before 4.19.90-2209.4.0.0168
python2-perf: before 4.19.90-2209.4.0.0168
perf: before 4.19.90-2209.4.0.0168
python2-perf-debuginfo: before 4.19.90-2209.4.0.0168
python3-perf: before 4.19.90-2209.4.0.0168
kernel-tools-devel: before 4.19.90-2209.4.0.0168
kernel-tools: before 4.19.90-2209.4.0.0168
kernel-debuginfo: before 4.19.90-2209.4.0.0168
perf-debuginfo: before 4.19.90-2209.4.0.0168
kernel-tools-debuginfo: before 4.19.90-2209.4.0.0168
kernel-source: before 4.19.90-2209.4.0.0168
python3-perf-debuginfo: before 4.19.90-2209.4.0.0168
kernel-debugsource: before 4.19.90-2209.4.0.0168
bpftool: before 4.19.90-2209.4.0.0168
kernel-devel: before 4.19.90-2209.4.0.0168
kernel: before 4.19.90-2209.4.0.0168
External linkshttp://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-1926
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: #VU68516
Risk: Low
CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-3061
CWE-ID:
CWE-369 - Divide By Zero
Exploit availability: No
DescriptionThe vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to missing checks of the "pixclock" value in the Linux kernel i740 driver. A local user can pass arbitrary values to the driver through ioctl() interface, trigger a divide by zero error and perform a denial of service (DoS) attack.
Install updates from vendor's repository.
Vulnerable software versionsopenEuler: 20.03 LTS SP3
bpftool-debuginfo: before 4.19.90-2209.4.0.0168
python2-perf: before 4.19.90-2209.4.0.0168
perf: before 4.19.90-2209.4.0.0168
python2-perf-debuginfo: before 4.19.90-2209.4.0.0168
python3-perf: before 4.19.90-2209.4.0.0168
kernel-tools-devel: before 4.19.90-2209.4.0.0168
kernel-tools: before 4.19.90-2209.4.0.0168
kernel-debuginfo: before 4.19.90-2209.4.0.0168
perf-debuginfo: before 4.19.90-2209.4.0.0168
kernel-tools-debuginfo: before 4.19.90-2209.4.0.0168
kernel-source: before 4.19.90-2209.4.0.0168
python3-perf-debuginfo: before 4.19.90-2209.4.0.0168
kernel-debugsource: before 4.19.90-2209.4.0.0168
bpftool: before 4.19.90-2209.4.0.0168
kernel-devel: before 4.19.90-2209.4.0.0168
kernel: before 4.19.90-2209.4.0.0168
External linkshttp://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-1926
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: #VU67510
Risk: Medium
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-2663
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to bypass firewall rules.
The vulnerability exists due to insufficient validation of user-supplied input in nf_conntrack_irc in Linux kernel. A remote attacker can send unencrypted IRC with nf_conntrack_irc configured and bypass configured firewall rules.
Install updates from vendor's repository.
Vulnerable software versionsopenEuler: 20.03 LTS SP3
bpftool-debuginfo: before 4.19.90-2209.4.0.0168
python2-perf: before 4.19.90-2209.4.0.0168
perf: before 4.19.90-2209.4.0.0168
python2-perf-debuginfo: before 4.19.90-2209.4.0.0168
python3-perf: before 4.19.90-2209.4.0.0168
kernel-tools-devel: before 4.19.90-2209.4.0.0168
kernel-tools: before 4.19.90-2209.4.0.0168
kernel-debuginfo: before 4.19.90-2209.4.0.0168
perf-debuginfo: before 4.19.90-2209.4.0.0168
kernel-tools-debuginfo: before 4.19.90-2209.4.0.0168
kernel-source: before 4.19.90-2209.4.0.0168
python3-perf-debuginfo: before 4.19.90-2209.4.0.0168
kernel-debugsource: before 4.19.90-2209.4.0.0168
bpftool: before 4.19.90-2209.4.0.0168
kernel-devel: before 4.19.90-2209.4.0.0168
kernel: before 4.19.90-2209.4.0.0168
External linkshttp://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-1926
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU67914
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-2022-39842
CWE-ID:
CWE-190 - Integer overflow
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to integer overflow within the pxa3xx_gcu_write() function in drivers/video/fbdev/pxa3xx-gcu.c in Linux kernel. A local user can trigger an integer overflow and execute arbitrary code with escalated privileges.
Install updates from vendor's repository.
Vulnerable software versionsopenEuler: 20.03 LTS SP3
bpftool-debuginfo: before 4.19.90-2209.4.0.0168
python2-perf: before 4.19.90-2209.4.0.0168
perf: before 4.19.90-2209.4.0.0168
python2-perf-debuginfo: before 4.19.90-2209.4.0.0168
python3-perf: before 4.19.90-2209.4.0.0168
kernel-tools-devel: before 4.19.90-2209.4.0.0168
kernel-tools: before 4.19.90-2209.4.0.0168
kernel-debuginfo: before 4.19.90-2209.4.0.0168
perf-debuginfo: before 4.19.90-2209.4.0.0168
kernel-tools-debuginfo: before 4.19.90-2209.4.0.0168
kernel-source: before 4.19.90-2209.4.0.0168
python3-perf-debuginfo: before 4.19.90-2209.4.0.0168
kernel-debugsource: before 4.19.90-2209.4.0.0168
bpftool: before 4.19.90-2209.4.0.0168
kernel-devel: before 4.19.90-2209.4.0.0168
kernel: before 4.19.90-2209.4.0.0168
External linkshttp://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-1926
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: #VU67478
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-2022-39188
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a race condition within include/asm-generic/tlb.h in the Linux kernel. A local user can exploit the race and escalate privileges on the system.
Note, this only occurs in situations with VM_PFNMAP VMAs.
MitigationInstall updates from vendor's repository.
Vulnerable software versionsopenEuler: 20.03 LTS SP3
bpftool-debuginfo: before 4.19.90-2209.4.0.0168
python2-perf: before 4.19.90-2209.4.0.0168
perf: before 4.19.90-2209.4.0.0168
python2-perf-debuginfo: before 4.19.90-2209.4.0.0168
python3-perf: before 4.19.90-2209.4.0.0168
kernel-tools-devel: before 4.19.90-2209.4.0.0168
kernel-tools: before 4.19.90-2209.4.0.0168
kernel-debuginfo: before 4.19.90-2209.4.0.0168
perf-debuginfo: before 4.19.90-2209.4.0.0168
kernel-tools-debuginfo: before 4.19.90-2209.4.0.0168
kernel-source: before 4.19.90-2209.4.0.0168
python3-perf-debuginfo: before 4.19.90-2209.4.0.0168
kernel-debugsource: before 4.19.90-2209.4.0.0168
bpftool: before 4.19.90-2209.4.0.0168
kernel-devel: before 4.19.90-2209.4.0.0168
kernel: before 4.19.90-2209.4.0.0168
External linkshttp://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-1926
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.