openEuler 20.03 LTS SP3 update for kernel



Published: 2022-12-30
Risk Low
Patch available YES
Number of vulnerabilities 6
CVE-ID CVE-2022-20568
CVE-2022-20572
CVE-2022-41218
CVE-2022-3115
CVE-2022-3111
CVE-2022-3108
CWE-ID CWE-20
CWE-863
CWE-416
CWE-476
CWE-252
Exploitation vector Local
Public exploit Public exploit code for vulnerability #3 is available.
Vulnerable software
Subscribe 		openEuler
Operating systems & Components / Operating system

kernel-source
Operating systems & Components / Operating system package or component

python3-perf
Operating systems & Components / Operating system package or component

kernel-tools-devel
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

python3-perf-debuginfo
Operating systems & Components / Operating system package or component

perf
Operating systems & Components / Operating system package or component

python2-perf
Operating systems & Components / Operating system package or component

kernel-debuginfo
Operating systems & Components / Operating system package or component

perf-debuginfo
Operating systems & Components / Operating system package or component

python2-perf-debuginfo
Operating systems & Components / Operating system package or component

kernel-devel
Operating systems & Components / Operating system package or component

kernel-tools
Operating systems & Components / Operating system package or component

bpftool
Operating systems & Components / Operating system package or component

bpftool-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 6 vulnerabilities.

1) Improper input validation

EUVDB-ID: #VU74691

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-2022-20568

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a local application to execute arbitrary code.

The vulnerability exists due to improper input validation within the io_uring subcomponent in Kernel components. A local application can execute arbitrary code.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP3

kernel-source: before 4.19.90-2212.4.0.0183

python3-perf: before 4.19.90-2212.4.0.0183

kernel-tools-devel: before 4.19.90-2212.4.0.0183

kernel-debugsource: before 4.19.90-2212.4.0.0183

kernel-tools-debuginfo: before 4.19.90-2212.4.0.0183

python3-perf-debuginfo: before 4.19.90-2212.4.0.0183

perf: before 4.19.90-2212.4.0.0183

python2-perf: before 4.19.90-2212.4.0.0183

kernel-debuginfo: before 4.19.90-2212.4.0.0183

perf-debuginfo: before 4.19.90-2212.4.0.0183

python2-perf-debuginfo: before 4.19.90-2212.4.0.0183

kernel-devel: before 4.19.90-2212.4.0.0183

kernel-tools: before 4.19.90-2212.4.0.0183

bpftool: before 4.19.90-2212.4.0.0183

bpftool-debuginfo: before 4.19.90-2212.4.0.0183

kernel: before 4.19.90-2212.4.0.0183

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-2161


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) Incorrect authorization

EUVDB-ID: #VU74549

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-20572

CWE-ID: CWE-863 - Incorrect Authorization

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a missing permission check within the verity_target() function in dm-verity-target.c. A local user can modify read-only files and escalate privileges on the system.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP3

kernel-source: before 4.19.90-2212.4.0.0183

python3-perf: before 4.19.90-2212.4.0.0183

kernel-tools-devel: before 4.19.90-2212.4.0.0183

kernel-debugsource: before 4.19.90-2212.4.0.0183

kernel-tools-debuginfo: before 4.19.90-2212.4.0.0183

python3-perf-debuginfo: before 4.19.90-2212.4.0.0183

perf: before 4.19.90-2212.4.0.0183

python2-perf: before 4.19.90-2212.4.0.0183

kernel-debuginfo: before 4.19.90-2212.4.0.0183

perf-debuginfo: before 4.19.90-2212.4.0.0183

python2-perf-debuginfo: before 4.19.90-2212.4.0.0183

kernel-devel: before 4.19.90-2212.4.0.0183

kernel-tools: before 4.19.90-2212.4.0.0183

bpftool: before 4.19.90-2212.4.0.0183

bpftool-debuginfo: before 4.19.90-2212.4.0.0183

kernel: before 4.19.90-2212.4.0.0183

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-2161


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.

3) Use-after-free

EUVDB-ID: #VU67657

Risk: Low

CVSSv3.1: 7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2022-41218

CWE-ID: CWE-416 - Use After Free

Exploit availability: Yes

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the dvb_demux_open() and dvb_dmxdev_release() function in drivers/media/dvb-core/dmxdev.c in Linux kernel. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP3

kernel-source: before 4.19.90-2212.4.0.0183

python3-perf: before 4.19.90-2212.4.0.0183

kernel-tools-devel: before 4.19.90-2212.4.0.0183

kernel-debugsource: before 4.19.90-2212.4.0.0183

kernel-tools-debuginfo: before 4.19.90-2212.4.0.0183

python3-perf-debuginfo: before 4.19.90-2212.4.0.0183

perf: before 4.19.90-2212.4.0.0183

python2-perf: before 4.19.90-2212.4.0.0183

kernel-debuginfo: before 4.19.90-2212.4.0.0183

perf-debuginfo: before 4.19.90-2212.4.0.0183

python2-perf-debuginfo: before 4.19.90-2212.4.0.0183

kernel-devel: before 4.19.90-2212.4.0.0183

kernel-tools: before 4.19.90-2212.4.0.0183

bpftool: before 4.19.90-2212.4.0.0183

bpftool-debuginfo: before 4.19.90-2212.4.0.0183

kernel: before 4.19.90-2212.4.0.0183

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-2161


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. However, proof of concept for this vulnerability is available.

4) NULL pointer dereference

EUVDB-ID: #VU71581

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-2022-3115

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error within the malidp_crtc_reset() function in drivers/gpu/drm/arm/malidp_crtc.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP3

kernel-source: before 4.19.90-2212.4.0.0183

python3-perf: before 4.19.90-2212.4.0.0183

kernel-tools-devel: before 4.19.90-2212.4.0.0183

kernel-debugsource: before 4.19.90-2212.4.0.0183

kernel-tools-debuginfo: before 4.19.90-2212.4.0.0183

python3-perf-debuginfo: before 4.19.90-2212.4.0.0183

perf: before 4.19.90-2212.4.0.0183

python2-perf: before 4.19.90-2212.4.0.0183

kernel-debuginfo: before 4.19.90-2212.4.0.0183

perf-debuginfo: before 4.19.90-2212.4.0.0183

python2-perf-debuginfo: before 4.19.90-2212.4.0.0183

kernel-devel: before 4.19.90-2212.4.0.0183

kernel-tools: before 4.19.90-2212.4.0.0183

bpftool: before 4.19.90-2212.4.0.0183

bpftool-debuginfo: before 4.19.90-2212.4.0.0183

kernel: before 4.19.90-2212.4.0.0183

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-2161


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.

5) NULL pointer dereference

EUVDB-ID: #VU71540

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-2022-3111

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error within the free_charger_irq() function in drivers/power/supply/wm8350_power.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP3

kernel-source: before 4.19.90-2212.4.0.0183

python3-perf: before 4.19.90-2212.4.0.0183

kernel-tools-devel: before 4.19.90-2212.4.0.0183

kernel-debugsource: before 4.19.90-2212.4.0.0183

kernel-tools-debuginfo: before 4.19.90-2212.4.0.0183

python3-perf-debuginfo: before 4.19.90-2212.4.0.0183

perf: before 4.19.90-2212.4.0.0183

python2-perf: before 4.19.90-2212.4.0.0183

kernel-debuginfo: before 4.19.90-2212.4.0.0183

perf-debuginfo: before 4.19.90-2212.4.0.0183

python2-perf-debuginfo: before 4.19.90-2212.4.0.0183

kernel-devel: before 4.19.90-2212.4.0.0183

kernel-tools: before 4.19.90-2212.4.0.0183

bpftool: before 4.19.90-2212.4.0.0183

bpftool-debuginfo: before 4.19.90-2212.4.0.0183

kernel: before 4.19.90-2212.4.0.0183

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-2161


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.

6) Unchecked Return Value

EUVDB-ID: #VU71539

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-2022-3108

CWE-ID: CWE-252 - Unchecked Return Value

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to unchecked return value within the kfd_parse_subtype_iolink() function in drivers/gpu/drm/amd/amdkfd/kfd_crat.c. A local user can crash the kernel.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP3

kernel-source: before 4.19.90-2212.4.0.0183

python3-perf: before 4.19.90-2212.4.0.0183

kernel-tools-devel: before 4.19.90-2212.4.0.0183

kernel-debugsource: before 4.19.90-2212.4.0.0183

kernel-tools-debuginfo: before 4.19.90-2212.4.0.0183

python3-perf-debuginfo: before 4.19.90-2212.4.0.0183

perf: before 4.19.90-2212.4.0.0183

python2-perf: before 4.19.90-2212.4.0.0183

kernel-debuginfo: before 4.19.90-2212.4.0.0183

perf-debuginfo: before 4.19.90-2212.4.0.0183

python2-perf-debuginfo: before 4.19.90-2212.4.0.0183

kernel-devel: before 4.19.90-2212.4.0.0183

kernel-tools: before 4.19.90-2212.4.0.0183

bpftool: before 4.19.90-2212.4.0.0183

bpftool-debuginfo: before 4.19.90-2212.4.0.0183

kernel: before 4.19.90-2212.4.0.0183

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-2161


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.



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