SB2024122780 - openEuler 22.03 LTS SP4 update for kernel

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Use-after-free (CVE-ID: CVE-2024-39508)

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

The vulnerability exists due to a use-after-free error within the WORKER_IDLE_TIMEOUT(), io_work_get_acct(), io_worker_exit(), io_wq_dec_running(), __io_worker_busy(), io_wq_worker(), io_wq_worker_running(), io_wq_worker_sleeping(), io_init_new_worker(), init_completion() and io_wq_work_match_item() functions in io_uring/io-wq.c. A local user can escalate privileges on the system.

2) Use-after-free (CVE-ID: CVE-2024-53095)

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

The vulnerability exists due to a use-after-free error within the clean_demultiplex_info(), cifs_put_tcp_session() and generic_ip_connect() functions in fs/smb/client/connect.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-2024-2591