PT-2025-25808 · Linux+5 · Linux Kernel+5
Publicado
2025-04-10
·
Atualizado
2026-05-26
·
CVE-2025-38033
CVSS v3.1
5.5
Média
| Vetor | AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Name of the Vulnerable Software and Affected Versions
Linux kernel versions prior to the version that includes the fix for this issue
Description
A vulnerability in the Linux kernel has been resolved. The issue occurs when calling
core::fmt::write() from Rust code while FineIBT is enabled, resulting in a kernel panic. This happens because core::fmt::write() calls core::fmt::rt::Argument::fmt(), which currently has CFI disabled, causing a Control Protection exception. The vulnerability makes Rust currently incompatible with FineIBT. The issue is expected to be fixed in Rust 1.88.0, scheduled for release on 2025-06-26.Recommendations
For Linux kernel versions prior to the fixed version, consider disabling FineIBT until a patch is available. As a temporary workaround, avoid using Rust code that calls
core::fmt::write() until the issue is resolved. Once Rust 1.88.0 is released, update to this version or later to fix the issue. At the moment, there is no information about a newer Linux kernel version that contains a fix for this vulnerability.Exploit
Correção
Improper Initialization
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Enumeração de Fraquezas
Identificadores relacionados
Produtos afetados
Astra Linux
Debian
Linuxmint
Linux Kernel
Rust
Ubuntu