SB2025080160 - openEuler 20.03 LTS SP4 update for kernel

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Use-after-free (CVE-ID: CVE-2025-38212)

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

The vulnerability exists due to a use-after-free error within the shm_try_destroy_orphaned() function in ipc/shm.c. A local user can escalate privileges on the system.

2) 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.

3) 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.

Remediation

Install update from vendor's website.

References

• https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2025-1923