SB2025022477 - openEuler 20.03 LTS SP4 update for kernel

Description

This security bulletin contains information about 5 secuirty vulnerabilities.

1) Use-after-free (CVE-ID: CVE-2024-26689)

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

The vulnerability exists due to a use-after-free error within the __prep_cap() and __send_cap() functions in fs/ceph/caps.c. A local user can escalate privileges on the system.

2) Out-of-bounds read (CVE-ID: CVE-2024-56614)

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 xsk_map_delete_elem() function in net/xdp/xskmap.c. A local user can perform a denial of service (DoS) attack.

3) Out-of-bounds read (CVE-ID: CVE-2024-56650)

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 led_tg_check() function in net/netfilter/xt_LED.c. A local user can perform a denial of service (DoS) attack.

4) Improper privilege management (CVE-ID: CVE-2024-57931)

The vulnerability allows a local user to read and manipulate data.

The vulnerability exists due to improperly imposed permissions within the services_compute_xperms_decision() function in security/selinux/ss/services.c. A local user can read and manipulate data.

5) Buffer overflow (CVE-ID: CVE-2025-21648)

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

The vulnerability exists due to memory corruption within the nf_ct_alloc_hashtable() function in net/netfilter/nf_conntrack_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-2025-1161