openEuler 22.03 LTS SP1 update for kernel



Risk Low
Patch available YES
Number of vulnerabilities 5
CVE-ID CVE-2021-46987
CVE-2023-52447
CVE-2023-52448
CVE-2023-52449
CVE-2023-52452
CWE-ID CWE-833
CWE-416
CWE-476
CWE-665
Exploitation vector Local
Public exploit N/A
Vulnerable software
 openEuler
Operating systems & Components / Operating system

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

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

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

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

perf
Operating systems & Components / Operating system package or component

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

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

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

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

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

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

kernel-tools-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 5 vulnerabilities.

1) Deadlock

EUVDB-ID: #VU87739

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-46987

CWE-ID: CWE-833 - Deadlock

Exploit availability: No

Description

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

The vulnerability exists due to a deadlock when cloning inline extent with low amount of free metadata space in btrfs. A local user can perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 22.03 LTS SP1

kernel-headers: before 5.10.0-136.68.0.148

kernel-debugsource: before 5.10.0-136.68.0.148

kernel-debuginfo: before 5.10.0-136.68.0.148

kernel-tools: before 5.10.0-136.68.0.148

perf: before 5.10.0-136.68.0.148

kernel-source: before 5.10.0-136.68.0.148

kernel-devel: before 5.10.0-136.68.0.148

python3-perf-debuginfo: before 5.10.0-136.68.0.148

perf-debuginfo: before 5.10.0-136.68.0.148

kernel-tools-devel: before 5.10.0-136.68.0.148

python3-perf: before 5.10.0-136.68.0.148

kernel-tools-debuginfo: before 5.10.0-136.68.0.148

kernel: before 5.10.0-136.68.0.148

CPE2.3 External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2024-1299


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: #VU87740

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-52447

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 bpf. 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: 22.03 LTS SP1

kernel-headers: before 5.10.0-136.68.0.148

kernel-debugsource: before 5.10.0-136.68.0.148

kernel-debuginfo: before 5.10.0-136.68.0.148

kernel-tools: before 5.10.0-136.68.0.148

perf: before 5.10.0-136.68.0.148

kernel-source: before 5.10.0-136.68.0.148

kernel-devel: before 5.10.0-136.68.0.148

python3-perf-debuginfo: before 5.10.0-136.68.0.148

perf-debuginfo: before 5.10.0-136.68.0.148

kernel-tools-devel: before 5.10.0-136.68.0.148

python3-perf: before 5.10.0-136.68.0.148

kernel-tools-debuginfo: before 5.10.0-136.68.0.148

kernel: before 5.10.0-136.68.0.148

CPE2.3 External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2024-1299


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) NULL pointer dereference

EUVDB-ID: #VU87741

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-52448

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 in gfs2_rgrp_dump() function. A local user can perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 22.03 LTS SP1

kernel-headers: before 5.10.0-136.68.0.148

kernel-debugsource: before 5.10.0-136.68.0.148

kernel-debuginfo: before 5.10.0-136.68.0.148

kernel-tools: before 5.10.0-136.68.0.148

perf: before 5.10.0-136.68.0.148

kernel-source: before 5.10.0-136.68.0.148

kernel-devel: before 5.10.0-136.68.0.148

python3-perf-debuginfo: before 5.10.0-136.68.0.148

perf-debuginfo: before 5.10.0-136.68.0.148

kernel-tools-devel: before 5.10.0-136.68.0.148

python3-perf: before 5.10.0-136.68.0.148

kernel-tools-debuginfo: before 5.10.0-136.68.0.148

kernel: before 5.10.0-136.68.0.148

CPE2.3 External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2024-1299


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: #VU87742

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-52449

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 in mtd. A local user can perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 22.03 LTS SP1

kernel-headers: before 5.10.0-136.68.0.148

kernel-debugsource: before 5.10.0-136.68.0.148

kernel-debuginfo: before 5.10.0-136.68.0.148

kernel-tools: before 5.10.0-136.68.0.148

perf: before 5.10.0-136.68.0.148

kernel-source: before 5.10.0-136.68.0.148

kernel-devel: before 5.10.0-136.68.0.148

python3-perf-debuginfo: before 5.10.0-136.68.0.148

perf-debuginfo: before 5.10.0-136.68.0.148

kernel-tools-devel: before 5.10.0-136.68.0.148

python3-perf: before 5.10.0-136.68.0.148

kernel-tools-debuginfo: before 5.10.0-136.68.0.148

kernel: before 5.10.0-136.68.0.148

CPE2.3 External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2024-1299


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) Improper Initialization

EUVDB-ID: #VU87743

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-52452

CWE-ID: CWE-665 - Improper Initialization

Exploit availability: No

Description

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

The vulnerability exists due to improper initialization in bpf. A local user can run a specially crafted application to execute arbitrary code with escalated privileges on the system.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 22.03 LTS SP1

kernel-headers: before 5.10.0-136.68.0.148

kernel-debugsource: before 5.10.0-136.68.0.148

kernel-debuginfo: before 5.10.0-136.68.0.148

kernel-tools: before 5.10.0-136.68.0.148

perf: before 5.10.0-136.68.0.148

kernel-source: before 5.10.0-136.68.0.148

kernel-devel: before 5.10.0-136.68.0.148

python3-perf-debuginfo: before 5.10.0-136.68.0.148

perf-debuginfo: before 5.10.0-136.68.0.148

kernel-tools-devel: before 5.10.0-136.68.0.148

python3-perf: before 5.10.0-136.68.0.148

kernel-tools-debuginfo: before 5.10.0-136.68.0.148

kernel: before 5.10.0-136.68.0.148

CPE2.3 External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2024-1299


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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