SB2025030749 - openEuler 22.03 LTS SP3 update for grub2
Published: March 7, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 6 secuirty vulnerabilities.
1) Out-of-bounds write (CVE-ID: CVE-2024-45774)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error when parsing JPEG files. A local user can trigger an out-of-bounds write and execute arbitrary code on the system.
2) Integer overflow (CVE-ID: CVE-2024-45778)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to integer overflow when reading BFS filesystem. A local user can trigger an integer overflow and execute arbitrary code with elevated privileges.
3) Heap-based buffer overflow (CVE-ID: CVE-2024-56737)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error within the fs/hfs.c when reading sblock data from HFS filesystem. A local user can trigger a heap-based buffer overflow and execute arbitrary code with elevated privileges.
4) Use-after-free (CVE-ID: CVE-2025-0622)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error caused by not removing hooks when the related module is being unloaded. A local user can execute arbitrary code with elevated privileges.
5) Out-of-bounds write (CVE-ID: CVE-2025-0624)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error within the grub_net_search_config_file() function. A local user can trigger an out-of-bounds write and execute arbitrary code on the system.
6) Integer overflow (CVE-ID: CVE-2025-0677)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to integer overflow when performing a symlink lookup within the grub_ufs_lookup_symlink() function in UFS filesystem driver. A local user can trigger an integer overflow and execute arbitrary code with elevated privileges.
Remediation
Install update from vendor's website.