SB2025060680 - openEuler 22.03 LTS SP4 update for kernel

Description

This security bulletin contains information about 2 vulnerabilities.

1) Use-after-free (CVE-ID: CVE-2022-49647)

CWE-ID: CWE-416 - Use After Free

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

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

The vulnerability exists due to a use-after-free error within the LIST_HEAD_INIT(), find_css_set(), cgroup_migrate_vet_dst(), cgroup_migrate_add_src(), cgroup_migrate_prepare_dst() and cgroup_update_dfl_csses() functions in kernel/cgroup/cgroup.c. A local user can escalate privileges on the system.

2) Integer overflow (CVE-ID: CVE-2025-37858)

CWE-ID: CWE-190 - Integer overflow

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local user to execute arbitrary code.

The vulnerability exists due to integer overflow within the dbExtendFS() function in fs/jfs/jfs_dmap.c. A local user can execute arbitrary code.

Remediation

Install update from vendor's website.

References

• https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2025-1593