SB2025080158 - openEuler 22.03 LTS SP4 update for kernel

Description

This security bulletin contains information about 7 secuirty vulnerabilities.

1) Use-after-free (CVE-ID: CVE-2022-49535)

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

The vulnerability exists due to a use-after-free error within the lpfc_initial_flogi(), lpfc_initial_fdisc(), lpfc_cmpl_els_plogi(), lpfc_cmpl_els_prli() and lpfc_cmpl_els_adisc() functions in drivers/scsi/lpfc/lpfc_els.c. A local user can escalate privileges on the system.

2) Improper locking (CVE-ID: CVE-2022-50098)

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

The vulnerability exists due to improper locking within the qla2xxx_eh_abort(), qla2x00_eh_wait_for_pending_commands(), qla2xxx_eh_device_reset() and qla2xxx_eh_target_reset() functions in drivers/scsi/qla2xxx/qla_os.c. A local user can perform a denial of service (DoS) attack.

3) Memory leak (CVE-ID: CVE-2025-38015)

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

The vulnerability exists due to memory leak within the idxd_alloc() function in drivers/dma/idxd/init.c. A local user can perform a denial of service (DoS) attack.

4) NULL pointer dereference (CVE-ID: CVE-2025-38035)

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

The vulnerability exists due to NULL pointer dereference within the nvmet_tcp_restore_socket_callbacks() function in drivers/nvme/target/tcp.c. A local user can perform a denial of service (DoS) attack.

5) Improper locking (CVE-ID: CVE-2025-38324)

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

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

6) Out-of-bounds read (CVE-ID: CVE-2025-38391)

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 pin_assignment_show() function in drivers/usb/typec/altmodes/displayport.c. A local user can perform a denial of service (DoS) attack.

7) Buffer overflow (CVE-ID: CVE-2025-38466)

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

The vulnerability exists due to memory corruption within the perf_uprobe_event_init() function in kernel/events/core.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-2025-1925