CVE-2022-48938 (GCVE-0-2022-48938)

Vulnerability from cvelistv5 – Published: 2024-08-22 03:31 – Updated: 2025-05-04 08:26
VLAI?
Summary
In the Linux kernel, the following vulnerability has been resolved: CDC-NCM: avoid overflow in sanity checking A broken device may give an extreme offset like 0xFFF0 and a reasonable length for a fragment. In the sanity check as formulated now, this will create an integer overflow, defeating the sanity check. Both offset and offset + len need to be checked in such a manner that no overflow can occur. And those quantities should be unsigned.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < a612395c7631918e0e10ea48b9ce5ab4340f26a6 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 9957fbf34f52a4d8945d1bf39aae400ef9a11246 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 69560efa001397ebb8dc1c3e6a3ce00302bb9f7f (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 49909c9f8458cacb5b241106cba65aba5a6d8f4c (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 7b737e47b87589031f0d4657f6d7b0b770474925 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 8d2b1a1ec9f559d30b724877da4ce592edc41fdc (git)
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    Linux Linux Unaffected: 4.19.323 , ≤ 4.19.* (semver)
Unaffected: 5.4.285 , ≤ 5.4.* (semver)
Unaffected: 5.10.103 , ≤ 5.10.* (semver)
Unaffected: 5.15.26 , ≤ 5.15.* (semver)
Unaffected: 5.16.12 , ≤ 5.16.* (semver)
Unaffected: 5.17 , ≤ * (original_commit_for_fix)
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  • 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.
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  • 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.