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 vulnerabilities.
1) Out-of-bounds write (CVE-ID: CVE-2024-45774)
CWE-ID: CWE-787 - Out-of-bounds write
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/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 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)
CWE-ID: CWE-190 - Integer overflow
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:H/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 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)
CWE-ID: CWE-122 - Heap-based Buffer Overflow
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/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 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)
CWE-ID: CWE-416 - Use After Free
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/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 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)
CWE-ID: CWE-787 - Out-of-bounds write
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/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 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)
CWE-ID: CWE-190 - Integer overflow
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/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 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.