SB2025102251 - Red Hat Enterprise Linux 8 update for kernel

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Main Vulnerability Database SB2025102251

SB2025102251 - Red Hat Enterprise Linux 8 update for kernel

Published: October 22, 2025

Security Bulletin ID SB2025102251
Severity
Low
Patch available
YES
Number of vulnerabilities 9
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 9 secuirty vulnerabilities.


1) Buffer overflow (CVE-ID: CVE-2025-22026)

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

The vulnerability exists due to memory corruption within the nfsd_show() function in fs/nfsd/stats.c, within the nfsd_net_init() function in fs/nfsd/nfsctl.c. A local user can perform a denial of service (DoS) attack.


2) Input validation error (CVE-ID: CVE-2025-37797)

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

The vulnerability exists due to improper input validation within the hfsc_change_class() function in net/sched/sch_hfsc.c. A local user can perform a denial of service (DoS) attack.


3) Memory leak (CVE-ID: CVE-2023-53125)

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

The vulnerability exists due to memory leak within the smsc75xx_rx_fixup() function in drivers/net/usb/smsc75xx.c. A local user can perform a denial of service (DoS) attack.


4) Improper error handling (CVE-ID: CVE-2022-50228)

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

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


5) Improper locking (CVE-ID: CVE-2025-38461)

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

The vulnerability exists due to improper locking within the EXPORT_SYMBOL_GPL() and vsock_assign_transport() functions in net/vmw_vsock/af_vsock.c. A local user can perform a denial of service (DoS) attack.


6) Out-of-bounds read (CVE-ID: CVE-2025-38556)

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

The vulnerability exists due to an out-of-bounds read error within the snto32() function in drivers/hid/hid-core.c. A local user can perform a denial of service (DoS) attack.


7) Input validation error (CVE-ID: CVE-2025-39730)

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

The vulnerability exists due to improper input validation within the nfs_fh_to_dentry() function in fs/nfs/export.c. A local user can perform a denial of service (DoS) attack.


8) Buffer overflow (CVE-ID: CVE-2025-39751)

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

The vulnerability exists due to memory corruption within the add_tuning_control() function in sound/pci/hda/patch_ca0132.c. A local user can escalate privileges on the system.


9) Use-after-free (CVE-ID: CVE-2023-53305)

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

The vulnerability exists due to a use-after-free error within the l2cap_le_command_rej() function in net/bluetooth/l2cap_core.c. A local user can escalate privileges on the system.


Remediation

Install update from vendor's website.

References