Trusted Firmware-A is a reference implementation of secure world software for Arm A-Profile architectures (Armv8-A and Armv7-A), including an Exception Level 3 (EL3) Secure Monitor.
Security Fix(es):
Trusted Firmware-A (TF-A) before 2.10 has a potential read out-of-bounds in the SDEI service. The input parameter passed in register x1 is not validated well enough in the function sdeiinterruptbind. The parameter is passed to a call to platicgetinterrupttype. It can be any arbitrary value passing checks in the function platicis_sgi. A compromised Normal World (Linux kernel) can enable a root-privileged attacker to issue arbitrary SMC calls. Using this primitive, he can control the content of registers x0 through x6, which are used to send parameters to TF-A. Out-of-bounds addresses can be read in the context of TF-A (EL3). Because the read value is never returned to non-secure memory or in registers, no leak is possible. An attacker can still crash TF-A, however.(CVE-2023-49100)
{
"severity": "High"
}{
"src": [
"arm-trusted-firmware-2.3-4.oe2203.src.rpm",
"arm-trusted-firmware-2.3-4.oe2203sp1.src.rpm",
"arm-trusted-firmware-2.3-4.oe2203sp2.src.rpm",
"arm-trusted-firmware-2.3-4.oe2203sp3.src.rpm"
],
"aarch64": [
"arm-trusted-firmware-armv8-2.3-4.oe2203.aarch64.rpm",
"arm-trusted-firmware-armv8-2.3-4.oe2203sp1.aarch64.rpm",
"arm-trusted-firmware-armv8-2.3-4.oe2203sp2.aarch64.rpm",
"arm-trusted-firmware-armv8-2.3-4.oe2203sp3.aarch64.rpm"
]
}