SB2023072762 - Ubuntu update for llvm-toolchain-13

Description

This security bulletin contains information about 4 secuirty vulnerabilities.

1) Buffer overflow (CVE-ID: CVE-2023-29932)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error within the component mlir::IROperand

2) Out-of-bounds read (CVE-ID: CVE-2023-29934)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary condition within the component mlir::Type::getDialect(). A remote attacker can trigger an out-of-bounds read error and cause a denial of service condition on the system.

3) Out-of-bounds read (CVE-ID: CVE-2023-29939)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary condition within the component mlir::spirv::TargetEnv::TargetEnv(mlir::spirv::TargetEnvAttr). A remote attacker can trigger an out-of-bounds read error and cause a denial of service condition on the system.

4) Out-of-bounds read (CVE-ID: CVE-2023-29933)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary condition within the component mlir::Block::getArgument. A remote attacker can trigger an out-of-bounds read error and cause a denial of service condition on the system.

Remediation

Install update from vendor's website.

References

• https://ubuntu.com/security/notices/USN-6258-1