SB2026010808 - Red Hat Enterprise Linux 10 update for kernel 

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Main Vulnerability Database SB2026010808

SB2026010808 - Red Hat Enterprise Linux 10 update for kernel

Published: January 8, 2026

Security Bulletin ID SB2026010808
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) Input validation error (CVE-ID: CVE-2025-40300)

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

The vulnerability exists due to improper input validation within the vcpu_enter_guest() function in arch/x86/kvm/x86.c. A local user can perform a denial of service (DoS) attack.


2) Input validation error (CVE-ID: CVE-2025-39806)

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

The vulnerability exists due to improper input validation within the mt_report_fixup() function in drivers/hid/hid-multitouch.c. A local user can perform a denial of service (DoS) attack.


3) Improper locking (CVE-ID: CVE-2025-39843)

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

The vulnerability exists due to improper locking within the get_track(), set_track_update(), free_debug_processing(), ___slab_alloc() and free_to_partial_list() functions in mm/slub.c. A local user can perform a denial of service (DoS) attack.


4) Improper error handling (CVE-ID: CVE-2025-39883)

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

The vulnerability exists due to improper error handling within the unpoison_memory() function in mm/memory-failure.c. A local user can perform a denial of service (DoS) attack.


5) Resource management error (CVE-ID: CVE-2025-39925)

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

The vulnerability exists due to resource management error within the j1939_sk_netdev_event_netdown() function in net/can/j1939/socket.c. A local user can perform a denial of service (DoS) attack.


6) Use-after-free (CVE-ID: CVE-2025-39982)

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

The vulnerability exists due to a use-after-free error within the hci_conn_complete_evt() and le_conn_complete_evt() functions in net/bluetooth/hci_event.c. A local user can escalate privileges on the system.


7) 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.


8) Use-after-free (CVE-ID: CVE-2025-39983)

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

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


Remediation

Install update from vendor's website.

References