openEuler 20.03 LTS SP4 update for kernel



Risk Low
Patch available YES
Number of vulnerabilities 3
CVE-ID CVE-2022-49493
CVE-2022-49538
CVE-2025-21863
CWE-ID CWE-416
CWE-476
CWE-20
Exploitation vector Local
Public exploit N/A
Vulnerable software
 openEuler
Operating systems & Components / Operating system

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

python3-perf
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

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

perf
Operating systems & Components / Operating system package or component

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

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

kernel-tools
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

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

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

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

bpftool
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 3 vulnerabilities.

1) Use-after-free

EUVDB-ID: #VU104414

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-2022-49493

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 rt5645_i2c_remove() function in sound/soc/codecs/rt5645.c. A local user can escalate privileges on the system.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP4

python3-perf-debuginfo: before 4.19.90-2504.4.0.0325

python3-perf: before 4.19.90-2504.4.0.0325

python2-perf-debuginfo: before 4.19.90-2504.4.0.0325

python2-perf: before 4.19.90-2504.4.0.0325

perf-debuginfo: before 4.19.90-2504.4.0.0325

perf: before 4.19.90-2504.4.0.0325

kernel-tools-devel: before 4.19.90-2504.4.0.0325

kernel-tools-debuginfo: before 4.19.90-2504.4.0.0325

kernel-tools: before 4.19.90-2504.4.0.0325

kernel-source: before 4.19.90-2504.4.0.0325

kernel-devel: before 4.19.90-2504.4.0.0325

kernel-debugsource: before 4.19.90-2504.4.0.0325

kernel-debuginfo: before 4.19.90-2504.4.0.0325

bpftool-debuginfo: before 4.19.90-2504.4.0.0325

bpftool: before 4.19.90-2504.4.0.0325

kernel: before 4.19.90-2504.4.0.0325

CPE2.3 External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2025-1447


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) NULL pointer dereference

EUVDB-ID: #VU104600

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-2022-49538

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 within the snd_jack_dev_disconnect(), snd_jack_dev_register(), snd_jack_new(), EXPORT_SYMBOL() and snd_jack_report() functions in sound/core/jack.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 SP4

python3-perf-debuginfo: before 4.19.90-2504.4.0.0325

python3-perf: before 4.19.90-2504.4.0.0325

python2-perf-debuginfo: before 4.19.90-2504.4.0.0325

python2-perf: before 4.19.90-2504.4.0.0325

perf-debuginfo: before 4.19.90-2504.4.0.0325

perf: before 4.19.90-2504.4.0.0325

kernel-tools-devel: before 4.19.90-2504.4.0.0325

kernel-tools-debuginfo: before 4.19.90-2504.4.0.0325

kernel-tools: before 4.19.90-2504.4.0.0325

kernel-source: before 4.19.90-2504.4.0.0325

kernel-devel: before 4.19.90-2504.4.0.0325

kernel-debugsource: before 4.19.90-2504.4.0.0325

kernel-debuginfo: before 4.19.90-2504.4.0.0325

bpftool-debuginfo: before 4.19.90-2504.4.0.0325

bpftool: before 4.19.90-2504.4.0.0325

kernel: before 4.19.90-2504.4.0.0325

CPE2.3 External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2025-1447


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) Input validation error

EUVDB-ID: #VU105676

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-2025-21863

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to improper input validation within the io_init_req() function in io_uring/io_uring.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 SP4

python3-perf-debuginfo: before 4.19.90-2504.4.0.0325

python3-perf: before 4.19.90-2504.4.0.0325

python2-perf-debuginfo: before 4.19.90-2504.4.0.0325

python2-perf: before 4.19.90-2504.4.0.0325

perf-debuginfo: before 4.19.90-2504.4.0.0325

perf: before 4.19.90-2504.4.0.0325

kernel-tools-devel: before 4.19.90-2504.4.0.0325

kernel-tools-debuginfo: before 4.19.90-2504.4.0.0325

kernel-tools: before 4.19.90-2504.4.0.0325

kernel-source: before 4.19.90-2504.4.0.0325

kernel-devel: before 4.19.90-2504.4.0.0325

kernel-debugsource: before 4.19.90-2504.4.0.0325

kernel-debuginfo: before 4.19.90-2504.4.0.0325

bpftool-debuginfo: before 4.19.90-2504.4.0.0325

bpftool: before 4.19.90-2504.4.0.0325

kernel: before 4.19.90-2504.4.0.0325

CPE2.3 External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2025-1447


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.



###SIDEBAR###