SB2025112410 - Red Hat Enterprise Linux 9 update for kernel

Description

This security bulletin contains information about 3 vulnerabilities.

1) Input validation error (CVE-ID: CVE-2025-39898)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 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

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

The vulnerability exists due to improper input validation within the e1000_set_eeprom() function in drivers/net/ethernet/intel/e1000e/ethtool.c. A local user can perform a denial of service (DoS) attack.

2) Input validation error (CVE-ID: CVE-2025-39971)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 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

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

The vulnerability exists due to improper input validation within the i40e_vc_config_queues_msg() function in drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c. A local user can perform a denial of service (DoS) attack.

3) Improper locking (CVE-ID: CVE-2025-40047)

CWE-ID: CWE-667 - Improper Locking

CVSSv4: 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

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

The vulnerability exists due to improper locking within the io_waitid_wait() function in io_uring/waitid.c. A local user can perform a denial of service (DoS) attack.

Remediation

Install update from vendor's website.

References

• https://access.redhat.com/errata/RHSA-2025:21933