Amazon Linux 2 Security Advisory: ALAS2-2026-3808
Advisory Released Date: 2026-07-20
Advisory Updated Date: 2026-07-20
gix-submodule before 0.29.0 (gitoxide before 0.5.21, gix before 0.84.0) incorrectly validates the update field in .gitmodules, allowing attackers to bypass the CommandForbiddenInModulesConfiguration guard when a submodule has been initialized with only partial configuration in .git/config. An attacker can inject arbitrary shell commands via the update field in .gitmodules that will be executed when Submodule::update() is called on a previously-initialized submodule, enabling remote code execution. (CVE-2026-40034)
Affected Packages:
rust
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update rust or yum update --advisory ALAS2-2026-3808 to update your system.
aarch64:
rust-1.97.0-1.amzn2.0.1.aarch64
rust-std-static-1.97.0-1.amzn2.0.1.aarch64
rust-doc-1.97.0-1.amzn2.0.1.aarch64
cargo-1.97.0-1.amzn2.0.1.aarch64
rustfmt-1.97.0-1.amzn2.0.1.aarch64
rust-analyzer-1.97.0-1.amzn2.0.1.aarch64
clippy-1.97.0-1.amzn2.0.1.aarch64
noarch:
rust-debugger-common-1.97.0-1.amzn2.0.1.noarch
rust-gdb-1.97.0-1.amzn2.0.1.noarch
rust-src-1.97.0-1.amzn2.0.1.noarch
rust-toolset-srpm-macros-1.97.0-1.amzn2.0.1.noarch
rust-toolset-1.97.0-1.amzn2.0.1.noarch
src:
rust-1.97.0-1.amzn2.0.1.src
x86_64:
rust-1.97.0-1.amzn2.0.1.x86_64
rust-std-static-1.97.0-1.amzn2.0.1.x86_64
rust-doc-1.97.0-1.amzn2.0.1.x86_64
cargo-1.97.0-1.amzn2.0.1.x86_64
rustfmt-1.97.0-1.amzn2.0.1.x86_64
rust-analyzer-1.97.0-1.amzn2.0.1.x86_64
clippy-1.97.0-1.amzn2.0.1.x86_64