openEuler update for kernel

Published: 2022-06-02

Risk	Medium
Patch available	YES
Number of vulnerabilities	8
CVE-ID	CVE-2022-0002 CVE-2022-29582 CVE-2022-1195 CVE-2022-20008 CVE-2022-1012 CVE-2022-1734 CVE-2022-29581 CVE-2022-1516
CWE-ID	CWE-200 CWE-416 CWE-908 CWE-401 CWE-911 CWE-476
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	openEuler Operating systems & Components / Operating system python3-perf-debuginfo 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-debugsource Operating systems & Components / Operating system package or component python3-perf Operating systems & Components / Operating system package or component perf 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-devel Operating systems & Components / Operating system package or component kernel-source 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 kernel-tools-debuginfo Operating systems & Components / Operating system package or component python2-perf Operating systems & Components / Operating system package or component kernel-tools 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 8 vulnerabilities.

1) Information disclosure

EUVDB-ID: #VU61199

Risk: Low

CVSSv3.1: 4.1 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-0002

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to non-transparent sharing of branch predictor within a context. A local user can gain unauthorized access to sensitive information on the system.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1 - 22.03 LTS

python3-perf-debuginfo: before 4.19.90-2205.6.0.0152

bpftool: before 4.19.90-2205.6.0.0152

bpftool-debuginfo: before 4.19.90-2205.6.0.0152

kernel-debugsource: before 4.19.90-2205.6.0.0152

python3-perf: before 4.19.90-2205.6.0.0152

perf: before 4.19.90-2205.6.0.0152

python2-perf-debuginfo: before 4.19.90-2205.6.0.0152

kernel-devel: before 4.19.90-2205.6.0.0152

kernel-tools-devel: before 4.19.90-2205.6.0.0152

kernel-source: before 4.19.90-2205.6.0.0152

kernel-debuginfo: before 4.19.90-2205.6.0.0152

perf-debuginfo: before 4.19.90-2205.6.0.0152

kernel-tools-debuginfo: before 4.19.90-2205.6.0.0152

python2-perf: before 4.19.90-2205.6.0.0152

kernel-tools: before 4.19.90-2205.6.0.0152

kernel: before 4.19.90-2205.6.0.0152

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-1691

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) Use-after-free

EUVDB-ID: #VU63792

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-2022-29582

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 io_uring timeouts() function in the Linux kernel. A local user can trigger a race condition between timeout flush and removal to cause a denial of service or escalate privileges on the system.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1 - 22.03 LTS

python3-perf-debuginfo: before 4.19.90-2205.6.0.0152

bpftool: before 4.19.90-2205.6.0.0152

bpftool-debuginfo: before 4.19.90-2205.6.0.0152

kernel-debugsource: before 4.19.90-2205.6.0.0152

python3-perf: before 4.19.90-2205.6.0.0152

perf: before 4.19.90-2205.6.0.0152

python2-perf-debuginfo: before 4.19.90-2205.6.0.0152

kernel-devel: before 4.19.90-2205.6.0.0152

kernel-tools-devel: before 4.19.90-2205.6.0.0152

kernel-source: before 4.19.90-2205.6.0.0152

kernel-debuginfo: before 4.19.90-2205.6.0.0152

perf-debuginfo: before 4.19.90-2205.6.0.0152

kernel-tools-debuginfo: before 4.19.90-2205.6.0.0152

python2-perf: before 4.19.90-2205.6.0.0152

kernel-tools: before 4.19.90-2205.6.0.0152

kernel: before 4.19.90-2205.6.0.0152

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-1691

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: #VU63430

Risk: Low

CVSSv3.1: 4 [CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-1195

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

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

The vulnerability exists due to a use-after-free error in the drivers/net/hamradio. A local user can cause a denial of service (DOS) when the mkiss or sixpack device is detached.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1 - 22.03 LTS

python3-perf-debuginfo: before 4.19.90-2205.6.0.0152

bpftool: before 4.19.90-2205.6.0.0152

bpftool-debuginfo: before 4.19.90-2205.6.0.0152

kernel-debugsource: before 4.19.90-2205.6.0.0152

python3-perf: before 4.19.90-2205.6.0.0152

perf: before 4.19.90-2205.6.0.0152

python2-perf-debuginfo: before 4.19.90-2205.6.0.0152

kernel-devel: before 4.19.90-2205.6.0.0152

kernel-tools-devel: before 4.19.90-2205.6.0.0152

kernel-source: before 4.19.90-2205.6.0.0152

kernel-debuginfo: before 4.19.90-2205.6.0.0152

perf-debuginfo: before 4.19.90-2205.6.0.0152

kernel-tools-debuginfo: before 4.19.90-2205.6.0.0152

python2-perf: before 4.19.90-2205.6.0.0152

kernel-tools: before 4.19.90-2205.6.0.0152

kernel: before 4.19.90-2205.6.0.0152

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-1691

Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) Use of uninitialized resource

EUVDB-ID: #VU63352

Risk: Low

CVSSv3.1: 5.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-20008

CWE-ID: CWE-908 - Use of Uninitialized Resource

Exploit availability: No

Description

The vulnerability allows a local application to bypass certain security restrictions.

The vulnerability exists due to usage of uninitialized resources within the mmc_blk_read_single() function in block.c. A local application can obtain potentially sensitive information from memory when reading from an SD card that triggers errors.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1 - 22.03 LTS

python3-perf-debuginfo: before 4.19.90-2205.6.0.0152

bpftool: before 4.19.90-2205.6.0.0152

bpftool-debuginfo: before 4.19.90-2205.6.0.0152

kernel-debugsource: before 4.19.90-2205.6.0.0152

python3-perf: before 4.19.90-2205.6.0.0152

perf: before 4.19.90-2205.6.0.0152

python2-perf-debuginfo: before 4.19.90-2205.6.0.0152

kernel-devel: before 4.19.90-2205.6.0.0152

kernel-tools-devel: before 4.19.90-2205.6.0.0152

kernel-source: before 4.19.90-2205.6.0.0152

kernel-debuginfo: before 4.19.90-2205.6.0.0152

perf-debuginfo: before 4.19.90-2205.6.0.0152

kernel-tools-debuginfo: before 4.19.90-2205.6.0.0152

python2-perf: before 4.19.90-2205.6.0.0152

kernel-tools: before 4.19.90-2205.6.0.0152

kernel: before 4.19.90-2205.6.0.0152

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-1691

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.

5) Memory leak

EUVDB-ID: #VU64079

Risk: Medium

CVSSv3.1: 5.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-1012

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to insufficient randomization in the net/ipv4/tcp.c when calculating port offsets in Linux kernel cause by small table perturb size. A remote attacker can cause memory leak and gain access to sensitive information.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1 - 22.03 LTS

python3-perf-debuginfo: before 4.19.90-2205.6.0.0152

bpftool: before 4.19.90-2205.6.0.0152

bpftool-debuginfo: before 4.19.90-2205.6.0.0152

kernel-debugsource: before 4.19.90-2205.6.0.0152

python3-perf: before 4.19.90-2205.6.0.0152

perf: before 4.19.90-2205.6.0.0152

python2-perf-debuginfo: before 4.19.90-2205.6.0.0152

kernel-devel: before 4.19.90-2205.6.0.0152

kernel-tools-devel: before 4.19.90-2205.6.0.0152

kernel-source: before 4.19.90-2205.6.0.0152

kernel-debuginfo: before 4.19.90-2205.6.0.0152

perf-debuginfo: before 4.19.90-2205.6.0.0152

kernel-tools-debuginfo: before 4.19.90-2205.6.0.0152

python2-perf: before 4.19.90-2205.6.0.0152

kernel-tools: before 4.19.90-2205.6.0.0152

kernel: before 4.19.90-2205.6.0.0152

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-1691

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.

6) Use-after-free

EUVDB-ID: #VU64082

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-2022-1734

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 Marvell NFC device driver implementation in the Linux kernel did not properly perform memory cleanup operations in some situations. 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

python3-perf-debuginfo: before 4.19.90-2205.6.0.0152

bpftool: before 4.19.90-2205.6.0.0152

bpftool-debuginfo: before 4.19.90-2205.6.0.0152

kernel-debugsource: before 4.19.90-2205.6.0.0152

python3-perf: before 4.19.90-2205.6.0.0152

perf: before 4.19.90-2205.6.0.0152

python2-perf-debuginfo: before 4.19.90-2205.6.0.0152

kernel-devel: before 4.19.90-2205.6.0.0152

kernel-tools-devel: before 4.19.90-2205.6.0.0152

kernel-source: before 4.19.90-2205.6.0.0152

kernel-debuginfo: before 4.19.90-2205.6.0.0152

perf-debuginfo: before 4.19.90-2205.6.0.0152

kernel-tools-debuginfo: before 4.19.90-2205.6.0.0152

python2-perf: before 4.19.90-2205.6.0.0152

kernel-tools: before 4.19.90-2205.6.0.0152

kernel: before 4.19.90-2205.6.0.0152

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-1691

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) Improper update of reference count

EUVDB-ID: #VU63496

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-2022-29581

CWE-ID: CWE-911 - Improper Update of Reference Count

Exploit availability: No

Description

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

The vulnerability exists due to improper update of reference count in net/sched in Linux kernel. A local user can execute arbitrary code with root privileges.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1 - 22.03 LTS

python3-perf-debuginfo: before 4.19.90-2205.6.0.0152

bpftool: before 4.19.90-2205.6.0.0152

bpftool-debuginfo: before 4.19.90-2205.6.0.0152

kernel-debugsource: before 4.19.90-2205.6.0.0152

python3-perf: before 4.19.90-2205.6.0.0152

perf: before 4.19.90-2205.6.0.0152

python2-perf-debuginfo: before 4.19.90-2205.6.0.0152

kernel-devel: before 4.19.90-2205.6.0.0152

kernel-tools-devel: before 4.19.90-2205.6.0.0152

kernel-source: before 4.19.90-2205.6.0.0152

kernel-debuginfo: before 4.19.90-2205.6.0.0152

perf-debuginfo: before 4.19.90-2205.6.0.0152

kernel-tools-debuginfo: before 4.19.90-2205.6.0.0152

python2-perf: before 4.19.90-2205.6.0.0152

kernel-tools: before 4.19.90-2205.6.0.0152

kernel: before 4.19.90-2205.6.0.0152

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-1691

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.

8) NULL pointer dereference

EUVDB-ID: #VU63158

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-2022-1516

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 NULL pointer dereference error in the Linux kernel’s X.25 set of standardized network protocols functionality. A local user can terminate session using a simulated Ethernet card 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

python3-perf-debuginfo: before 4.19.90-2205.6.0.0152

bpftool: before 4.19.90-2205.6.0.0152

bpftool-debuginfo: before 4.19.90-2205.6.0.0152

kernel-debugsource: before 4.19.90-2205.6.0.0152

python3-perf: before 4.19.90-2205.6.0.0152

perf: before 4.19.90-2205.6.0.0152

python2-perf-debuginfo: before 4.19.90-2205.6.0.0152

kernel-devel: before 4.19.90-2205.6.0.0152

kernel-tools-devel: before 4.19.90-2205.6.0.0152

kernel-source: before 4.19.90-2205.6.0.0152

kernel-debuginfo: before 4.19.90-2205.6.0.0152

perf-debuginfo: before 4.19.90-2205.6.0.0152

kernel-tools-debuginfo: before 4.19.90-2205.6.0.0152

python2-perf: before 4.19.90-2205.6.0.0152

kernel-tools: before 4.19.90-2205.6.0.0152

kernel: before 4.19.90-2205.6.0.0152

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-1691

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.