SB2025010316 - openEuler 22.03 LTS SP4 update for kernel



SB2025010316 - openEuler 22.03 LTS SP4 update for kernel

Published: January 3, 2025 Updated: April 8, 2025

Security Bulletin ID SB2025010316
Severity
Low
Patch available
YES
Number of vulnerabilities 5
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

High 20% Low 80%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 5 secuirty vulnerabilities.


1) Improper locking (CVE-ID: CVE-2024-49856)

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

The vulnerability exists due to improper locking within the __sgx_alloc_epc_page() function in arch/x86/kernel/cpu/sgx/main.c. A local user can perform a denial of service (DoS) attack.


2) Use-after-free (CVE-ID: CVE-2024-50086)

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

The vulnerability exists due to a use-after-free error within the smb2_check_user_session(), smb2_sess_setup() and smb2_session_logoff() functions in fs/smb/server/smb2pdu.c, within the __handle_ksmbd_work() function in fs/smb/server/server.c, within the ksmbd_expire_session(), ksmbd_session_lookup_slowpath(), ksmbd_session_lookup_all() and __session_create() functions in fs/smb/server/mgmt/user_session.c. A local user can escalate privileges on the system.


3) Division by zero (CVE-ID: CVE-2024-50287)

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

The vulnerability exists due to a division by zero error within the tpg_precalculate_line() function in drivers/media/common/v4l2-tpg/v4l2-tpg-core.c. A local user can perform a denial of service (DoS) attack.


4) Out-of-bounds read (CVE-ID: CVE-2024-53150)

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 DESC_LENGTH_CHECK(), validate_clock_source() and validate_clock_selector() functions in sound/usb/clock.c. A local user can perform a denial of service (DoS) attack.


5) Improper error handling (CVE-ID: CVE-2024-56630)

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

The vulnerability exists due to improper error handling within the ocfs2_get_init_inode() function in fs/ocfs2/namei.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.