CVE-2024-42247

Source
https://nvd.nist.gov/vuln/detail/CVE-2024-42247
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2024-42247.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2024-42247
Downstream
Related
Published
2024-08-07T16:15:47Z
Modified
2025-08-09T20:01:26Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

In the Linux kernel, the following vulnerability has been resolved:

wireguard: allowedips: avoid unaligned 64-bit memory accesses

On the parisc platform, the kernel issues kernel warnings because swap_endian() tries to load a 128-bit IPv6 address from an unaligned memory location:

Kernel: unaligned access to 0x55f4688c in wgallowedipsinsertv6+0x2c/0x80 [wireguard] (iir 0xf3010df) Kernel: unaligned access to 0x55f46884 in wgallowedipsinsertv6+0x38/0x80 [wireguard] (iir 0xf2010dc)

Avoid such unaligned memory accesses by instead using the getunalignedbe64() helper macro.

[Jason: replace src[8] in original patch with src+8]

References

Affected packages