openEuler update for kernel

Published: 2022-06-10

Risk	Low
Patch available	YES
Number of vulnerabilities	7
CVE-ID	CVE-2022-1204 CVE-2022-30594 CVE-2022-1836 CVE-2022-1789 CVE-2021-33135 CVE-2022-1729 CVE-2022-33981
CWE-ID	CWE-416 CWE-276 CWE-476 CWE-400 CWE-362
Exploitation vector	Local
Public exploit	N/A
Vulnerable software Subscribe	openEuler Operating systems & Components / Operating system kernel-debugsource Operating systems & Components / Operating system package or component kernel-tools-debuginfo Operating systems & Components / Operating system package or component python3-perf 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 perf-debuginfo Operating systems & Components / Operating system package or component perf Operating systems & Components / Operating system package or component python3-perf-debuginfo 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 Operating systems & Components / Operating system package or component kernel-debuginfo Operating systems & Components / Operating system package or component kernel-devel Operating systems & Components / Operating system package or component python2-perf-debuginfo Operating systems & Components / Operating system package or component python2-perf 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 7 vulnerabilities.

1) Use-after-free

EUVDB-ID: #VU63791

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-2022-1204

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

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

The vulnerability exists due to a use-after-free error in the Linux kernel’s Amateur Radio AX.25 protocol functionality when user connects with the protocol. A local user can trigger use-after-free error to perform a denial of service attack or escalate privileges on the system.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1 - 22.03 LTS

kernel-debugsource: before 4.19.90-2206.1.0.0153

kernel-tools-debuginfo: before 4.19.90-2206.1.0.0153

python3-perf: before 4.19.90-2206.1.0.0153

bpftool-debuginfo: before 4.19.90-2206.1.0.0153

kernel-tools: before 4.19.90-2206.1.0.0153

perf-debuginfo: before 4.19.90-2206.1.0.0153

perf: before 4.19.90-2206.1.0.0153

python3-perf-debuginfo: before 4.19.90-2206.1.0.0153

kernel-source: before 4.19.90-2206.1.0.0153

kernel-tools-devel: before 4.19.90-2206.1.0.0153

bpftool: before 4.19.90-2206.1.0.0153

kernel-debuginfo: before 4.19.90-2206.1.0.0153

kernel-devel: before 4.19.90-2206.1.0.0153

python2-perf-debuginfo: before 4.19.90-2206.1.0.0153

python2-perf: before 4.19.90-2206.1.0.0153

kernel: before 4.19.90-2206.1.0.0153

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-1705

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 default permissions

EUVDB-ID: #VU63631

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-2022-30594

CWE-ID: CWE-276 - Incorrect Default Permissions

Exploit availability: No

Description

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

The vulnerability exists due to mishandling seccomp permissions. A local user can bypass intended restrictions on setting the PT_SUSPEND_SECCOMP flag and escalate privileges on the system.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1 - 22.03 LTS

kernel-debugsource: before 4.19.90-2206.1.0.0153

kernel-tools-debuginfo: before 4.19.90-2206.1.0.0153

python3-perf: before 4.19.90-2206.1.0.0153

bpftool-debuginfo: before 4.19.90-2206.1.0.0153

kernel-tools: before 4.19.90-2206.1.0.0153

perf-debuginfo: before 4.19.90-2206.1.0.0153

perf: before 4.19.90-2206.1.0.0153

python3-perf-debuginfo: before 4.19.90-2206.1.0.0153

kernel-source: before 4.19.90-2206.1.0.0153

kernel-tools-devel: before 4.19.90-2206.1.0.0153

bpftool: before 4.19.90-2206.1.0.0153

kernel-debuginfo: before 4.19.90-2206.1.0.0153

kernel-devel: before 4.19.90-2206.1.0.0153

python2-perf-debuginfo: before 4.19.90-2206.1.0.0153

python2-perf: before 4.19.90-2206.1.0.0153

kernel: before 4.19.90-2206.1.0.0153

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-1705

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: #VU64087

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-2022-1836

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

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

The vulnerability exists due to use-after-free error in the drivers/block/floppy.c in the floppy driver module in the Linux kernel when working with raw_cmd_ioctl and seek_interrupt. A local user can trigger use-after-free to escalate privileges on the system.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1 - 22.03 LTS

kernel-debugsource: before 4.19.90-2206.1.0.0153

kernel-tools-debuginfo: before 4.19.90-2206.1.0.0153

python3-perf: before 4.19.90-2206.1.0.0153

bpftool-debuginfo: before 4.19.90-2206.1.0.0153

kernel-tools: before 4.19.90-2206.1.0.0153

perf-debuginfo: before 4.19.90-2206.1.0.0153

perf: before 4.19.90-2206.1.0.0153

python3-perf-debuginfo: before 4.19.90-2206.1.0.0153

kernel-source: before 4.19.90-2206.1.0.0153

kernel-tools-devel: before 4.19.90-2206.1.0.0153

bpftool: before 4.19.90-2206.1.0.0153

kernel-debuginfo: before 4.19.90-2206.1.0.0153

kernel-devel: before 4.19.90-2206.1.0.0153

python2-perf-debuginfo: before 4.19.90-2206.1.0.0153

python2-perf: before 4.19.90-2206.1.0.0153

kernel: before 4.19.90-2206.1.0.0153

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-1705

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.

4) NULL pointer dereference

EUVDB-ID: #VU64261

Risk: Low

CVSSv3.1: 5.4 [CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-1789

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

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

The vulnerability exists due to NULL pointer dereference in kvm_mmu_invpcid_gva. A local attacker can trigger vulnerability to perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1 - 22.03 LTS

kernel-debugsource: before 4.19.90-2206.1.0.0153

kernel-tools-debuginfo: before 4.19.90-2206.1.0.0153

python3-perf: before 4.19.90-2206.1.0.0153

bpftool-debuginfo: before 4.19.90-2206.1.0.0153

kernel-tools: before 4.19.90-2206.1.0.0153

perf-debuginfo: before 4.19.90-2206.1.0.0153

perf: before 4.19.90-2206.1.0.0153

python3-perf-debuginfo: before 4.19.90-2206.1.0.0153

kernel-source: before 4.19.90-2206.1.0.0153

kernel-tools-devel: before 4.19.90-2206.1.0.0153

bpftool: before 4.19.90-2206.1.0.0153

kernel-debuginfo: before 4.19.90-2206.1.0.0153

kernel-devel: before 4.19.90-2206.1.0.0153

python2-perf-debuginfo: before 4.19.90-2206.1.0.0153

python2-perf: before 4.19.90-2206.1.0.0153

kernel: before 4.19.90-2206.1.0.0153

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-1705

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) Resource exhaustion

EUVDB-ID: #VU63535

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-2021-33135

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

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

The vulnerability exists due to application does not properly control consumption of internal resources. A local user can trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1 - 22.03 LTS

kernel-debugsource: before 4.19.90-2206.1.0.0153

kernel-tools-debuginfo: before 4.19.90-2206.1.0.0153

python3-perf: before 4.19.90-2206.1.0.0153

bpftool-debuginfo: before 4.19.90-2206.1.0.0153

kernel-tools: before 4.19.90-2206.1.0.0153

perf-debuginfo: before 4.19.90-2206.1.0.0153

perf: before 4.19.90-2206.1.0.0153

python3-perf-debuginfo: before 4.19.90-2206.1.0.0153

kernel-source: before 4.19.90-2206.1.0.0153

kernel-tools-devel: before 4.19.90-2206.1.0.0153

bpftool: before 4.19.90-2206.1.0.0153

kernel-debuginfo: before 4.19.90-2206.1.0.0153

kernel-devel: before 4.19.90-2206.1.0.0153

python2-perf-debuginfo: before 4.19.90-2206.1.0.0153

python2-perf: before 4.19.90-2206.1.0.0153

kernel: before 4.19.90-2206.1.0.0153

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-1705

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) Race condition

EUVDB-ID: #VU64156

Risk: Low

CVSSv3.1: 6.1 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-1729

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: No

Description

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

The vulnerability exists due to a race condition within sys_perf_event_open() in Linux kernel. A local user can exploit the race and gain unauthorized access to sensitive information and escalate privileges on the system.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1 - 22.03 LTS

kernel-debugsource: before 4.19.90-2206.1.0.0153

kernel-tools-debuginfo: before 4.19.90-2206.1.0.0153

python3-perf: before 4.19.90-2206.1.0.0153

bpftool-debuginfo: before 4.19.90-2206.1.0.0153

kernel-tools: before 4.19.90-2206.1.0.0153

perf-debuginfo: before 4.19.90-2206.1.0.0153

perf: before 4.19.90-2206.1.0.0153

python3-perf-debuginfo: before 4.19.90-2206.1.0.0153

kernel-source: before 4.19.90-2206.1.0.0153

kernel-tools-devel: before 4.19.90-2206.1.0.0153

bpftool: before 4.19.90-2206.1.0.0153

kernel-debuginfo: before 4.19.90-2206.1.0.0153

kernel-devel: before 4.19.90-2206.1.0.0153

python2-perf-debuginfo: before 4.19.90-2206.1.0.0153

python2-perf: before 4.19.90-2206.1.0.0153

kernel: before 4.19.90-2206.1.0.0153

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-1705

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.

7) Use-after-free

EUVDB-ID: #VU64944

Risk: Low

CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-33981

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

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

The vulnerability exists due to a use-after-free error in drivers/block/floppy.c in the Linux kernel when deallocating raw_cmd in the raw_cmd_ioctl function(). A local user can trigger use-after-free and perform denial of service attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1 - 22.03 LTS

kernel-debugsource: before 4.19.90-2206.1.0.0153

kernel-tools-debuginfo: before 4.19.90-2206.1.0.0153

python3-perf: before 4.19.90-2206.1.0.0153

bpftool-debuginfo: before 4.19.90-2206.1.0.0153

kernel-tools: before 4.19.90-2206.1.0.0153

perf-debuginfo: before 4.19.90-2206.1.0.0153

perf: before 4.19.90-2206.1.0.0153

python3-perf-debuginfo: before 4.19.90-2206.1.0.0153

kernel-source: before 4.19.90-2206.1.0.0153

kernel-tools-devel: before 4.19.90-2206.1.0.0153

bpftool: before 4.19.90-2206.1.0.0153

kernel-debuginfo: before 4.19.90-2206.1.0.0153

kernel-devel: before 4.19.90-2206.1.0.0153

python2-perf-debuginfo: before 4.19.90-2206.1.0.0153

python2-perf: before 4.19.90-2206.1.0.0153

kernel: before 4.19.90-2206.1.0.0153

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-1705

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.