CVE-2024-42247 (GCVE-0-2024-42247)

Vulnerability from cvelistv5 – Published: 2024-08-07 15:14 – Updated: 2026-05-11 20:28
VLAI
Title
wireguard: allowedips: avoid unaligned 64-bit memory accesses
Summary
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 wg_allowedips_insert_v6+0x2c/0x80 [wireguard] (iir 0xf3010df) Kernel: unaligned access to 0x55f46884 in wg_allowedips_insert_v6+0x38/0x80 [wireguard] (iir 0xf2010dc) Avoid such unaligned memory accesses by instead using the get_unaligned_be64() helper macro. [Jason: replace src[8] in original patch with src+8]
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: e7096c131e5161fa3b8e52a650d7719d2857adfd , < ae630de24efb123d7199a43256396d7758f4cb75 (git)
Affected: e7096c131e5161fa3b8e52a650d7719d2857adfd , < b4764f0ad3d68de8a0b847c05f427afb86dd54e6 (git)
Affected: e7096c131e5161fa3b8e52a650d7719d2857adfd , < 217978a29c6ceca76d3c640bf94bdf50c268d801 (git)
Affected: e7096c131e5161fa3b8e52a650d7719d2857adfd , < 6638a203abad35fa636d59ac47bdbc4bc100fd74 (git)
Affected: e7096c131e5161fa3b8e52a650d7719d2857adfd , < 2fb34bf76431e831f9863cd59adc0bd1f67b0fbf (git)
Affected: e7096c131e5161fa3b8e52a650d7719d2857adfd , < 948f991c62a4018fb81d85804eeab3029c6209f8 (git)
Create a notification for this product.
Linux Linux Affected: 5.6
Unaffected: 0 , < 5.6 (semver)
Unaffected: 5.10.222 , ≤ 5.10.* (semver)
Unaffected: 5.15.163 , ≤ 5.15.* (semver)
Unaffected: 6.1.100 , ≤ 6.1.* (semver)
Unaffected: 6.6.41 , ≤ 6.6.* (semver)
Unaffected: 6.9.10 , ≤ 6.9.* (semver)
Unaffected: 6.10 , ≤ * (original_commit_for_fix)
Create a notification for this product.
Show details on NVD website
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\"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nwireguard: allowedips: avoid unaligned 64-bit memory accesses\\n\\nOn the parisc platform, the kernel issues kernel warnings because\\nswap_endian() tries to load a 128-bit IPv6 address from an unaligned\\nmemory location:\\n\\n Kernel: unaligned access to 0x55f4688c in wg_allowedips_insert_v6+0x2c/0x80 [wireguard] (iir 0xf3010df)\\n Kernel: unaligned access to 0x55f46884 in wg_allowedips_insert_v6+0x38/0x80 [wireguard] (iir 0xf2010dc)\\n\\nAvoid such unaligned memory accesses by instead using the\\nget_unaligned_be64() helper macro.\\n\\n[Jason: replace src[8] in original patch with src+8]\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.222\", \"versionStartIncluding\": \"5.6\"}, {\"criteria\": 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      "cveMetadata": "{\"cveId\": \"CVE-2024-42247\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-11-03T22:02:49.575Z\", \"dateReserved\": \"2024-07-30T07:40:12.254Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-08-07T15:14:32.232Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.