SB2025010316 - openEuler 22.03 LTS SP4 update for kernel
Published: January 3, 2025 Updated: April 8, 2025
Breakdown by Severity
- 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.