Advisory Published

USN-6258-1: LLVM Toolchain vulnerabilities

First published: Thu Jul 27 2023(Updated: )

It was discovered that LLVM Toolchain did not properly manage memory under certain circumstances. If a user were tricked into opening a specially crafted MLIR file, an attacker could possibly use this issue to cause LLVM Toolchain to crash, resulting in a denial of service. (CVE-2023-29932, CVE-2023-29934, CVE-2023-29939) It was discovered that LLVM Toolchain did not properly manage memory under certain circumstances. If a user were tricked into opening a specially crafted MLIR file, an attacker could possibly use this issue to cause LLVM Toolchain to crash, resulting in a denial of service. This issue only affected llvm-toolchain-15. (CVE-2023-29933)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/mlir-15-tools<1:15.0.7-3ubuntu0.23.04.1
1:15.0.7-3ubuntu0.23.04.1
Ubuntu=23.04
All of
ubuntu/llvm-14-tools<1:14.0.6-12ubuntu0.23.04.1
1:14.0.6-12ubuntu0.23.04.1
Ubuntu=23.04
All of
ubuntu/mlir-13-tools<1:13.0.1-11ubuntu14.1
1:13.0.1-11ubuntu14.1
Ubuntu=23.04
All of
ubuntu/llvm-14<1:14.0.6-12ubuntu0.23.04.1
1:14.0.6-12ubuntu0.23.04.1
Ubuntu=23.04
All of
ubuntu/llvm-15<1:15.0.7-3ubuntu0.23.04.1
1:15.0.7-3ubuntu0.23.04.1
Ubuntu=23.04
All of
ubuntu/llvm-13<1:13.0.1-11ubuntu14.1
1:13.0.1-11ubuntu14.1
Ubuntu=23.04
All of
ubuntu/mlir-14-tools<1:14.0.6-12ubuntu0.23.04.1
1:14.0.6-12ubuntu0.23.04.1
Ubuntu=23.04
All of
ubuntu/llvm-15-tools<1:15.0.7-3ubuntu0.23.04.1
1:15.0.7-3ubuntu0.23.04.1
Ubuntu=23.04
All of
ubuntu/llvm-13-tools<1:13.0.1-11ubuntu14.1
1:13.0.1-11ubuntu14.1
Ubuntu=23.04
All of
ubuntu/mlir-15-tools<1:15.0.7-0ubuntu0.22.04.3
1:15.0.7-0ubuntu0.22.04.3
Ubuntu=22.04
All of
ubuntu/llvm-14-tools<1:14.0.0-1ubuntu1.1
1:14.0.0-1ubuntu1.1
Ubuntu=22.04
All of
ubuntu/mlir-13-tools<1:13.0.1-2ubuntu2.2
1:13.0.1-2ubuntu2.2
Ubuntu=22.04
All of
ubuntu/llvm-14<1:14.0.0-1ubuntu1.1
1:14.0.0-1ubuntu1.1
Ubuntu=22.04
All of
ubuntu/llvm-15<1:15.0.7-0ubuntu0.22.04.3
1:15.0.7-0ubuntu0.22.04.3
Ubuntu=22.04
All of
ubuntu/llvm-13<1:13.0.1-2ubuntu2.2
1:13.0.1-2ubuntu2.2
Ubuntu=22.04
All of
ubuntu/mlir-14-tools<1:14.0.0-1ubuntu1.1
1:14.0.0-1ubuntu1.1
Ubuntu=22.04
All of
ubuntu/llvm-15-tools<1:15.0.7-0ubuntu0.22.04.3
1:15.0.7-0ubuntu0.22.04.3
Ubuntu=22.04
All of
ubuntu/llvm-13-tools<1:13.0.1-2ubuntu2.2
1:13.0.1-2ubuntu2.2
Ubuntu=22.04

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Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of USN-6258-1?

    USN-6258-1 is categorized as a denial of service vulnerability due to improper memory management in the LLVM Toolchain.

  • How do I fix USN-6258-1?

    To fix USN-6258-1, update the affected packages to the recommended versions provided in the Ubuntu advisory.

  • What products are affected by USN-6258-1?

    USN-6258-1 affects specific versions of LLVM and MLIR tools on Ubuntu 22.04 and 23.04.

  • Can USN-6258-1 be exploited by opening files?

    Yes, USN-6258-1 could be exploited if a user opens a specially crafted MLIR file.

  • Is it necessary to take action on USN-6258-1?

    Yes, it is recommended to address USN-6258-1 to prevent potential denial of service attacks.

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