CVE-2022-31104: RUSTSEC-2022-0095 - Miscompilation of `i8x16.swizzle` and `select` with v128 inputs

CVE-2022-31104 · Severity: low · CVSS 3.1 · Published 2022-06-27

Miscompilation of `i8x16.swizzle` and `select` with v128 inputs

Technologies: cranelift-codegen (crates.io), wasmtime (crates.io). Vendors: crates.io.

Quick answers

Is CVE-2022-31104 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2022-31104 being exploited in the wild.
How severe is CVE-2022-31104?
Low severity, with a CVSS score of 3.1, published 27 June 2022.
Which products and versions are affected?
cranelift-codegen (crates.io) SEMVER:introduced=0,fixed=0.85.1; wasmtime (crates.io) SEMVER:introduced=0,fixed=0.38.1, SEMVER:introduced=0.0.0-0,fixed=0.38.1.
Is there a fix for CVE-2022-31104?
Yes. cranelift-codegen (crates.io): upgrade to 0.85.1 or later; wasmtime (crates.io): upgrade to 0.38.1 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2022-31104?
Check whether you run cranelift-codegen (crates.io) or wasmtime (crates.io) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • cranelift-codegen (crates.io): upgrade to 0.85.1 or later
    cargo update -p cranelift-codegen
  • wasmtime (crates.io): upgrade to 0.38.1 or later
    cargo update -p wasmtime

Affected products

  • cranelift-codegen (crates.io) SEMVER:introduced=0,fixed=0.85.1
  • wasmtime (crates.io) SEMVER:introduced=0,fixed=0.38.1, SEMVER:introduced=0.0.0-0,fixed=0.38.1

Identifiers

  • CVE-2022-31104
  • GHSA-jqwc-c49r-4w2x
  • RUSTSEC-2022-0095

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.