Out-of-bounds read in edk2 - CVE-2025-2295

Vulnerability identifier: #VU105798

CSH Severity: Medium

CVSS v4 BT: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-2295

CWE-ID: CWE-125

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition. A malicious iSCSI target can cause a remote BIOS to reveal its memory contents with a specially crafted R2T message.

edk2
openEuler
Ubuntu
edk2 (Ubuntu package)
edk2-help
python3-edk2-devel
edk2-ovmf
edk2-aarch64
edk2-devel
edk2-debugsource
edk2-debuginfo
edk2

Install updates from vendor's website.

edk2 - update to edk2-stable202502
edk2 (Ubuntu package) - addressed in versions 2022.02-3ubuntu0.22.04.4, 2022.02-3ubuntu0.22.04.5, 2024.02-2ubuntu0.6, 2024.02-2ubuntu0.7, 2025.02-3ubuntu2.2
edk2-help - addressed in versions 202002-36, 202011-34, 202308-37, 202308-41
python3-edk2-devel - addressed in versions 202002-36, 202011-34, 202308-37, 202308-41
edk2-ovmf - addressed in versions 202002-36, 202011-34, 202308-37, 202308-41
edk2-aarch64 - addressed in versions 202002-36, 202011-34, 202308-37, 202308-41
edk2-devel - addressed in versions 202002-36, 202011-34, 202308-37, 202308-41
edk2-debugsource - addressed in versions 202002-36, 202011-34, 202308-37, 202308-41
edk2-debuginfo - addressed in versions 202002-36, 202011-34, 202308-37, 202308-41
edk2 - addressed in versions 202002-36, 202011-34, 202308-37, 202308-41

• https://github.com/tianocore/edk2/security/advisories/GHSA-8522-69fh-w74x

• Remote denial of service in edk2
• Ubuntu update for edk2
• Ubuntu update for edk2
• openEuler 22.03 LTS SP4 update for edk2
• openEuler 20.03 LTS SP4 update for edk2
• openEuler 24.03 LTS SP3 update for edk2
• openEuler 24.03 LTS SP1 update for edk2