Red Hat Enterprise Linux 10 update for kernel



Risk Low
Patch available YES
Number of vulnerabilities 3
CVE-ID CVE-2025-21919
CVE-2025-21964
CVE-2025-37785
CWE-ID CWE-20
CWE-190
CWE-416
Exploitation vector Local
Public exploit N/A
Vulnerable software
 kernel (Red Hat package)
Operating systems & Components / Operating system package or component

Vendor Red Hat Inc.

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) Input validation error

EUVDB-ID: #VU106804

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-2025-21919

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 child_cfs_rq_on_list() function in kernel/sched/fair.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

kernel (Red Hat package): before 6.12.0-55.14.1.el10_0

CPE2.3 External links

https://access.redhat.com/errata/RHSA-2025:8374


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) Integer overflow

EUVDB-ID: #VU106843

Risk: Low

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

CVE-ID: CVE-2025-21964

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

The vulnerability allows a local user to execute arbitrary code.

The vulnerability exists due to integer overflow within the smb3_fs_context_parse_param() function in fs/smb/client/fs_context.c. A local user can execute arbitrary code.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

kernel (Red Hat package): before 6.12.0-55.14.1.el10_0

CPE2.3 External links

https://access.redhat.com/errata/RHSA-2025:8374


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: #VU107659

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-2025-37785

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_check_dir_entry() function in fs/ext4/dir.c. A local user can escalate privileges on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

kernel (Red Hat package): before 6.12.0-55.14.1.el10_0

CPE2.3 External links

https://access.redhat.com/errata/RHSA-2025:8374


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###