SB2025091282 - openEuler 22.03 LTS SP4 update for kernel

Description

This security bulletin contains information about 5 secuirty vulnerabilities.

1) Improper locking (CVE-ID: CVE-2025-38119)

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

The vulnerability exists due to improper locking within the ufshcd_err_handler() function in drivers/ufs/core/ufshcd.c. A local user can perform a denial of service (DoS) attack.

2) NULL pointer dereference (CVE-ID: CVE-2025-38399)

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

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

3) Out-of-bounds read (CVE-ID: CVE-2025-38502)

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 __bpf_prog_map_compatible() function in kernel/bpf/core.c. A local user can perform a denial of service (DoS) attack.

4) NULL pointer dereference (CVE-ID: CVE-2025-38645)

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

The vulnerability exists due to NULL pointer dereference within the mlx5_init_once() function in drivers/net/ethernet/mellanox/mlx5/core/main.c, within the mlx5_dm_create() and kfree() functions in drivers/net/ethernet/mellanox/mlx5/core/lib/dm.c, within the handle_alloc_dm_memic() function in drivers/infiniband/hw/mlx5/dm.c. A local user can perform a denial of service (DoS) attack.

5) Use-after-free (CVE-ID: CVE-2025-39689)

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

The vulnerability exists due to a use-after-free error within the ftrace_regex_open() and ftrace_regex_release() functions in kernel/trace/ftrace.c. A local user can escalate privileges on the system.

Remediation

Install update from vendor's website.

References

• https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2025-2273