CVE-2021-47352

Advisory lineage Upstream: 0 Downstream: 9
Analyzed
Published: 21 May 2024, 14:35
Last modified:11 May 2026, 13:53

Vulnerability Summary

Overall Risk (default)
medium
31/100
CVSS Score
7.8 HIGH
v3.1 (nvd)
EPSS Score
0.02% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

21 May 2024, 14:35
Published
Vulnerability first disclosed
11 May 2026, 13:53
Last Modified
Vulnerability information updated

Description

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.

CVSS Metrics

  • v3.1•HIGH•Score: 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Trends

Current EPSS score: 0.02%• Percentile: 6%

Techniques & Countermeasures

  • CWE-787•Out-of-bounds Write

    The product writes data past the end, or before the beginning, of the intended buffer.

Affected Systems

  • linux•linux

    ≥ f6b10209b90d48a84f886ab2b317b5d2cbfe3143, < c1b40d1959517ff2ea473d40eeab4691d6d62462 | ≥ f6b10209b90d48a84f886ab2b317b5d2cbfe3143, < c92298d228f61589dd21657af2bea95fc866b813 | ≥ f6b10209b90d48a84f886ab2b317b5d2cbfe3143, < 3133e01514c3c498f2b01ff210ee6134b70c663c | ≥ f6b10209b90d48a84f886ab2b317b5d2cbfe3143, < ba710baa1cc1b17a0483f7befe03e696efd17292 | ≥ f6b10209b90d48a84f886ab2b317b5d2cbfe3143, < ad993a95c508417acdeb15244109e009e50d8758 | 4.11

  • linux•linux_kernel

    < 5.4.293 | ≥ 5.5, < 5.10.51 | ≥ 5.11, < 5.12.18 | ≥ 5.13, < 5.13.3

References (5)