CVE-2021-47352 (GCVE-0-2021-47352)

Vulnerability from cvelistv5 – Published: 2024-05-21 14:35 – Updated: 2026-05-11 13:53
VLAI
Title
virtio-net: Add validation for used length
Summary
In the Linux kernel, the following vulnerability has been resolved: virtio-net: Add validation for used length This adds validation for used length (might come from an untrusted device) to avoid data corruption or loss.
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: f6b10209b90d48a84f886ab2b317b5d2cbfe3143 , < c1b40d1959517ff2ea473d40eeab4691d6d62462 (git)
Affected: f6b10209b90d48a84f886ab2b317b5d2cbfe3143 , < c92298d228f61589dd21657af2bea95fc866b813 (git)
Affected: f6b10209b90d48a84f886ab2b317b5d2cbfe3143 , < 3133e01514c3c498f2b01ff210ee6134b70c663c (git)
Affected: f6b10209b90d48a84f886ab2b317b5d2cbfe3143 , < ba710baa1cc1b17a0483f7befe03e696efd17292 (git)
Affected: f6b10209b90d48a84f886ab2b317b5d2cbfe3143 , < ad993a95c508417acdeb15244109e009e50d8758 (git)
Create a notification for this product.
Linux Linux Affected: 4.11
Unaffected: 0 , < 4.11 (semver)
Unaffected: 5.4.293 , ≤ 5.4.* (semver)
Unaffected: 5.10.51 , ≤ 5.10.* (semver)
Unaffected: 5.12.18 , ≤ 5.12.* (semver)
Unaffected: 5.13.3 , ≤ 5.13.* (semver)
Unaffected: 5.14 , ≤ * (original_commit_for_fix)
Create a notification for this product.
Show details on NVD website
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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

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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.