SB2025010316 - openEuler 22.03 LTS SP4 update for kernel

Description

This security bulletin contains information about 5 vulnerabilities.

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

CWE-ID: CWE-667 - Improper Locking

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

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)

CWE-ID: CWE-416 - Use After Free

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

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)

CWE-ID: CWE-369 - Divide By Zero

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

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)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber

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)

CWE-ID: CWE-388 - Error Handling

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

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.

References

• https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2025-1014