GitHub Advisoryadvisory · crates.io

GHSA-52h2-m2cf-9jh6 linux-loader reading beyond EOF could lead to infinite loop

LOW Published 2022-12-12 Modified 2022-12-12 Official page ↗
Aliases
CVE-2022-23523
Ecosystem
crates.io
Packages
linux-loader
Severity
Low
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L
Weaknesses
CWE-119, CWE-125, CWE-835
Reviewed
2022-12-12

Affected packages

• crates.io linux-loader: < 0.8.1 → fixed in 0.8.1

Description

Impact The linux-loader crate used the offsets and sizes provided in the ELF headers to determine the offsets to read from. If those offsets pointed beyond the end of the file this could lead to an infinite loop. Virtual Machine Monitors using the `linux-loader` crate could enter an infinite loop if the ELF header of the kernel they are loading was modified in a malicious manner. Patches The issue has been addressed in 0.8.1 Workarounds The issue can be mitigated by ensuring that only trusted kernel images are loaded or by verifying that the headers to not point beyond the end of the file. References See: https://github.com/rust-vmm/linux-loader/pull/125

Related

Alias · CVE (1)

  • CVE-2022-23523 In versions prior to 0.8.1, the linux-loader crate uses the offsets and sizes provided in the ELF headers to determine the offsets to read… vulnerability

Weakness · CWE (3)

  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer weakness
  • CWE-125 Out-of-bounds Read weakness
  • CWE-835 Loop with Unreachable Exit Condition weakness

References