SB2025062778 - openEuler 22.03 LTS SP4 update for kernel

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Use-after-free (CVE-ID: CVE-2024-57896)

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

The vulnerability exists due to a use-after-free error within the close_ctree() function in fs/btrfs/disk-io.c. A local user can escalate privileges on the system.

2) Use-after-free (CVE-ID: CVE-2025-37738)

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

The vulnerability exists due to a use-after-free error within the ext4_xattr_inode_dec_ref_all() function in fs/ext4/xattr.c. A local user can escalate privileges on the system.

3) Division by zero (CVE-ID: CVE-2025-37937)

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

The vulnerability exists due to a division by zero error within the dib8000_set_dds() function in drivers/media/dvb-frontends/dib8000.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-2025-1668