| Name | CVE-2024-7883 |
| Description | When using Arm Cortex-M Security Extensions (CMSE), Secure stack contents can be leaked to Non-secure state via floating-point registers when a Secure to Non-secure function call is made that returns a floating-point value and when this is the first use of floating-point since entering Secure state. This allows an attacker to read a limited quantity of Secure stack contents with an impact on confidentiality. This issue is specific to code generated using LLVM-based compilers. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
The information below is based on the following data on fixed versions.
Notes
[bookworm] - llvm-toolchain-14 <ignored> (Minor issue, doesn't affect the default build flags in Debian and no backport into release branches planned)
[bookworm] - llvm-toolchain-15 <ignored> (Minor issue, doesn't affect the default build flags in Debian and no backport into release branches planned)
[bookworm] - llvm-toolchain-16 <ignored> (Minor issue, doesn't affect the default build flags in Debian and no backport into release branches planned)
[bullseye] - llvm-toolchain-16 <ignored> (Minor issue, doesn't affect the default build flags in Debian and no backport into release branches planned)
https://developer.arm.com/Arm%20Security%20Center/Cortex-M%20Security%20Extensions%20Vulnerability
https://bugzilla.redhat.com/show_bug.cgi?id=2322994
https://github.com/llvm/llvm-project/pull/114433