SB2025120136 - Red Hat Enterprise Linux 9 update for kernel

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Main Vulnerability Database SB2025120136

SB2025120136 - Red Hat Enterprise Linux 9 update for kernel

Published: December 1, 2025

Security Bulletin ID SB2025120136
Severity
Low
Patch available
YES
Number of vulnerabilities 8
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 8 secuirty vulnerabilities.


1) Use-after-free (CVE-ID: CVE-2025-38724)

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

The vulnerability exists due to a use-after-free error within the nfsd4_setclientid_confirm() function in fs/nfsd/nfs4state.c. A local user can escalate privileges on the system.


2) Use-after-free (CVE-ID: CVE-2025-39864)

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

The vulnerability exists due to a use-after-free error within the cfg80211_update_known_bss() function in net/wireless/scan.c. A local user can escalate privileges on the system.


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

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.


4) Buffer overflow (CVE-ID: CVE-2025-39918)

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

The vulnerability exists due to memory corruption within the mt76_txq_schedule_pending_wcid() and mt76_txq_schedule_pending() functions in drivers/net/wireless/mediatek/mt76/tx.c. A local user can perform a denial of service (DoS) attack.


5) Resource management error (CVE-ID: CVE-2025-39955)

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

The vulnerability exists due to resource management error within the tcp_disconnect() function in net/ipv4/tcp.c. A local user can perform a denial of service (DoS) attack.


6) Use-after-free (CVE-ID: CVE-2025-39981)

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

The vulnerability exists due to a use-after-free error within the net/bluetooth/mgmt_util.h. A local user can escalate privileges on the system.


7) Incorrect calculation (CVE-ID: CVE-2025-40058)

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

The vulnerability exists due to incorrect calculation within the drivers/iommu/intel/iommu.h. A local user can perform a denial of service (DoS) attack.


8) NULL pointer dereference (CVE-ID: CVE-2025-40185)

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

The vulnerability exists due to NULL pointer dereference within the ice_adapter_get() function in drivers/net/ethernet/intel/ice/ice_adapter.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References