SB2025112577 - Red Hat Enterprise Linux 9 update for kernel-rt

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Main Vulnerability Database SB2025112577

SB2025112577 - Red Hat Enterprise Linux 9 update for kernel-rt

Published: November 25, 2025

Security Bulletin ID SB2025112577
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) Out-of-bounds read (CVE-ID: CVE-2025-38729)

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 validate_uac3_feature_unit() and FUNC() functions in sound/usb/validate.c. A local user can perform a denial of service (DoS) attack.


2) Out-of-bounds read (CVE-ID: CVE-2025-39757)

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 convert_chmap_v3() and snd_usb_get_audioformat_uac3() functions in sound/usb/stream.c. A local user can perform a denial of service (DoS) attack.


3) 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.


4) Input validation error (CVE-ID: CVE-2023-53297)

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

The vulnerability exists due to improper input validation within the l2cap_disconnect_rsp() function in net/bluetooth/l2cap_core.c. A local user can perform a denial of service (DoS) attack.


5) Buffer overflow (CVE-ID: CVE-2025-39817)

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

The vulnerability exists due to memory corruption within the efivarfs_d_compare() function in fs/efivarfs/super.c. A local user can perform a denial of service (DoS) attack.


6) Buffer overflow (CVE-ID: CVE-2022-50341)

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

The vulnerability exists due to memory corruption within the fill_transform_hdr() and crypt_message() functions in fs/cifs/smb2ops.c. A local user can escalate privileges on the system.


7) Improper locking (CVE-ID: CVE-2023-53365)

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

The vulnerability exists due to improper locking within the ip6mr_cache_report() function in net/ipv6/ip6mr.c. A local user can perform a denial of service (DoS) attack.


8) Improper locking (CVE-ID: CVE-2023-53393)

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

The vulnerability exists due to improper locking within the do_get_hw_stats() function in drivers/infiniband/hw/mlx5/counters.c. A local user can perform a denial of service (DoS) attack.


9) Out-of-bounds read (CVE-ID: CVE-2022-50403)

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 fs/ext4/ext4.h. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References