openEuler update for kernel



Risk Low
Patch available YES
Number of vulnerabilities 8
CVE-ID CVE-2023-2002
CVE-2023-0458
CVE-2023-2483
CVE-2023-32269
CVE-2023-26544
CVE-2023-0459
CVE-2023-2177
CVE-2023-2513
CWE-ID CWE-264
CWE-476
CWE-362
CWE-416
CWE-1037
Exploitation vector Local
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
 openEuler
Operating systems & Components / Operating system

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

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

python2-perf
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

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

bpftool
Operating systems & Components / Operating system package or component

perf-debuginfo
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

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

python3-perf-debuginfo
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

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 8 vulnerabilities.

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU75163

Risk: Low

CVSSv4.0: 1.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2023-2002

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: Yes

Description

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

The vulnerability exists due to improper permissions check in the Bluetooth subsystem when handling ioctl system calls of HCI sockets. A local user can acquire a trusted socket, leading to unauthorized execution of management commands.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1 - 22.03 LTS

kernel-debuginfo: before 4.19.90-2305.2.0.0201

kernel-source: before 4.19.90-2305.2.0.0201

python2-perf: before 4.19.90-2305.2.0.0201

kernel-devel: before 4.19.90-2305.2.0.0201

python2-perf-debuginfo: before 4.19.90-2305.2.0.0201

kernel-tools: before 4.19.90-2305.2.0.0201

bpftool: before 4.19.90-2305.2.0.0201

perf-debuginfo: before 4.19.90-2305.2.0.0201

bpftool-debuginfo: before 4.19.90-2305.2.0.0201

kernel-debugsource: before 4.19.90-2305.2.0.0201

kernel-tools-devel: before 4.19.90-2305.2.0.0201

python3-perf-debuginfo: before 4.19.90-2305.2.0.0201

python3-perf: before 4.19.90-2305.2.0.0201

kernel-tools-debuginfo: before 4.19.90-2305.2.0.0201

perf: before 4.19.90-2305.2.0.0201

kernel: before 4.19.90-2305.2.0.0201

CPE2.3 External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2023-1284


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.

2) NULL pointer dereference

EUVDB-ID: #VU76223

Risk: Low

CVSSv4.0: 1.9 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-0458

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 the do_prlimit() function. A local user can pass specially crafted data to the system 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-debuginfo: before 4.19.90-2305.2.0.0201

kernel-source: before 4.19.90-2305.2.0.0201

python2-perf: before 4.19.90-2305.2.0.0201

kernel-devel: before 4.19.90-2305.2.0.0201

python2-perf-debuginfo: before 4.19.90-2305.2.0.0201

kernel-tools: before 4.19.90-2305.2.0.0201

bpftool: before 4.19.90-2305.2.0.0201

perf-debuginfo: before 4.19.90-2305.2.0.0201

bpftool-debuginfo: before 4.19.90-2305.2.0.0201

kernel-debugsource: before 4.19.90-2305.2.0.0201

kernel-tools-devel: before 4.19.90-2305.2.0.0201

python3-perf-debuginfo: before 4.19.90-2305.2.0.0201

python3-perf: before 4.19.90-2305.2.0.0201

kernel-tools-debuginfo: before 4.19.90-2305.2.0.0201

perf: before 4.19.90-2305.2.0.0201

kernel: before 4.19.90-2305.2.0.0201

CPE2.3 External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2023-1284


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) Race condition

EUVDB-ID: #VU76024

Risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-2483

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

Exploit availability: No

Description

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

The vulnerability exists due to a race condition in Qualcomm EMAC Gigabit Ethernet Controller. An attacker with physical access to system can remove the device before cleanup in the emac_remove() function is called, trigger a use-after-free error and crash the kernel.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1 - 22.03 LTS

kernel-debuginfo: before 4.19.90-2305.2.0.0201

kernel-source: before 4.19.90-2305.2.0.0201

python2-perf: before 4.19.90-2305.2.0.0201

kernel-devel: before 4.19.90-2305.2.0.0201

python2-perf-debuginfo: before 4.19.90-2305.2.0.0201

kernel-tools: before 4.19.90-2305.2.0.0201

bpftool: before 4.19.90-2305.2.0.0201

perf-debuginfo: before 4.19.90-2305.2.0.0201

bpftool-debuginfo: before 4.19.90-2305.2.0.0201

kernel-debugsource: before 4.19.90-2305.2.0.0201

kernel-tools-devel: before 4.19.90-2305.2.0.0201

python3-perf-debuginfo: before 4.19.90-2305.2.0.0201

python3-perf: before 4.19.90-2305.2.0.0201

kernel-tools-debuginfo: before 4.19.90-2305.2.0.0201

perf: before 4.19.90-2305.2.0.0201

kernel: before 4.19.90-2305.2.0.0201

CPE2.3 External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2023-1284


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-after-free

EUVDB-ID: #VU76221

Risk: Low

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-32269

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 net/netrom/af_netrom.c. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.

Successful exploitation of the vulnerability requires that the system has netrom routing configured or the attacker must have the CAP_NET_ADMIN capability.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1 - 22.03 LTS

kernel-debuginfo: before 4.19.90-2305.2.0.0201

kernel-source: before 4.19.90-2305.2.0.0201

python2-perf: before 4.19.90-2305.2.0.0201

kernel-devel: before 4.19.90-2305.2.0.0201

python2-perf-debuginfo: before 4.19.90-2305.2.0.0201

kernel-tools: before 4.19.90-2305.2.0.0201

bpftool: before 4.19.90-2305.2.0.0201

perf-debuginfo: before 4.19.90-2305.2.0.0201

bpftool-debuginfo: before 4.19.90-2305.2.0.0201

kernel-debugsource: before 4.19.90-2305.2.0.0201

kernel-tools-devel: before 4.19.90-2305.2.0.0201

python3-perf-debuginfo: before 4.19.90-2305.2.0.0201

python3-perf: before 4.19.90-2305.2.0.0201

kernel-tools-debuginfo: before 4.19.90-2305.2.0.0201

perf: before 4.19.90-2305.2.0.0201

kernel: before 4.19.90-2305.2.0.0201

CPE2.3 External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2023-1284


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) Use-after-free

EUVDB-ID: #VU76228

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-2023-26544

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 within the run_unpack() function in fs/ntfs3/run.c, related to a difference between NTFS sector size and media sector size. 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 SP1 - 22.03 LTS

kernel-debuginfo: before 4.19.90-2305.2.0.0201

kernel-source: before 4.19.90-2305.2.0.0201

python2-perf: before 4.19.90-2305.2.0.0201

kernel-devel: before 4.19.90-2305.2.0.0201

python2-perf-debuginfo: before 4.19.90-2305.2.0.0201

kernel-tools: before 4.19.90-2305.2.0.0201

bpftool: before 4.19.90-2305.2.0.0201

perf-debuginfo: before 4.19.90-2305.2.0.0201

bpftool-debuginfo: before 4.19.90-2305.2.0.0201

kernel-debugsource: before 4.19.90-2305.2.0.0201

kernel-tools-devel: before 4.19.90-2305.2.0.0201

python3-perf-debuginfo: before 4.19.90-2305.2.0.0201

python3-perf: before 4.19.90-2305.2.0.0201

kernel-tools-debuginfo: before 4.19.90-2305.2.0.0201

perf: before 4.19.90-2305.2.0.0201

kernel: before 4.19.90-2305.2.0.0201

CPE2.3 External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2023-1284


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) Processor optimization removal or modification of security-critical code

EUVDB-ID: #VU76222

Risk: Low

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

CVE-ID: CVE-2023-0459

CWE-ID: CWE-1037 - Processor optimization removal or modification of security-critical code

Exploit availability: No

Description

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

The vulnerability exists due to improper implementation of speculative execution barriers in usercopy functions
in certain situations. A local user can gain access to sensitive information.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1 - 22.03 LTS

kernel-debuginfo: before 4.19.90-2305.2.0.0201

kernel-source: before 4.19.90-2305.2.0.0201

python2-perf: before 4.19.90-2305.2.0.0201

kernel-devel: before 4.19.90-2305.2.0.0201

python2-perf-debuginfo: before 4.19.90-2305.2.0.0201

kernel-tools: before 4.19.90-2305.2.0.0201

bpftool: before 4.19.90-2305.2.0.0201

perf-debuginfo: before 4.19.90-2305.2.0.0201

bpftool-debuginfo: before 4.19.90-2305.2.0.0201

kernel-debugsource: before 4.19.90-2305.2.0.0201

kernel-tools-devel: before 4.19.90-2305.2.0.0201

python3-perf-debuginfo: before 4.19.90-2305.2.0.0201

python3-perf: before 4.19.90-2305.2.0.0201

kernel-tools-debuginfo: before 4.19.90-2305.2.0.0201

perf: before 4.19.90-2305.2.0.0201

kernel: before 4.19.90-2305.2.0.0201

CPE2.3 External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2023-1284


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) NULL pointer dereference

EUVDB-ID: #VU81924

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-2023-2177

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 the net/sctp/stream_sched.c in Linux kernel. A local user can pass specially crafted data to the system 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-debuginfo: before 4.19.90-2305.2.0.0201

kernel-source: before 4.19.90-2305.2.0.0201

python2-perf: before 4.19.90-2305.2.0.0201

kernel-devel: before 4.19.90-2305.2.0.0201

python2-perf-debuginfo: before 4.19.90-2305.2.0.0201

kernel-tools: before 4.19.90-2305.2.0.0201

bpftool: before 4.19.90-2305.2.0.0201

perf-debuginfo: before 4.19.90-2305.2.0.0201

bpftool-debuginfo: before 4.19.90-2305.2.0.0201

kernel-debugsource: before 4.19.90-2305.2.0.0201

kernel-tools-devel: before 4.19.90-2305.2.0.0201

python3-perf-debuginfo: before 4.19.90-2305.2.0.0201

python3-perf: before 4.19.90-2305.2.0.0201

kernel-tools-debuginfo: before 4.19.90-2305.2.0.0201

perf: before 4.19.90-2305.2.0.0201

kernel: before 4.19.90-2305.2.0.0201

CPE2.3 External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2023-1284


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) Use-after-free

EUVDB-ID: #VU76455

Risk: Low

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-2513

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 within the ext4 filesystem in the way it handled the extra inode size for extended attributes. A local user can trigger a use-after-free error 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-debuginfo: before 4.19.90-2305.2.0.0201

kernel-source: before 4.19.90-2305.2.0.0201

python2-perf: before 4.19.90-2305.2.0.0201

kernel-devel: before 4.19.90-2305.2.0.0201

python2-perf-debuginfo: before 4.19.90-2305.2.0.0201

kernel-tools: before 4.19.90-2305.2.0.0201

bpftool: before 4.19.90-2305.2.0.0201

perf-debuginfo: before 4.19.90-2305.2.0.0201

bpftool-debuginfo: before 4.19.90-2305.2.0.0201

kernel-debugsource: before 4.19.90-2305.2.0.0201

kernel-tools-devel: before 4.19.90-2305.2.0.0201

python3-perf-debuginfo: before 4.19.90-2305.2.0.0201

python3-perf: before 4.19.90-2305.2.0.0201

kernel-tools-debuginfo: before 4.19.90-2305.2.0.0201

perf: before 4.19.90-2305.2.0.0201

kernel: before 4.19.90-2305.2.0.0201

CPE2.3 External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2023-1284


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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