CVE-2021-47352

virtio-net: Add validation for used length

HIGH

7.8

CVSS Score

Published: May 21, 2024 at 02:35 PM UTC

Updated: August 5, 2026 at 09:24 AM UTC

1 product affected across 1 vendorLinux Kernel

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Severity

HIGH7.8

Exploit prediction

EPSS 0.3%

SSVC

No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel · Linux

95%

v < 5.4.2934.11 ≤ v < 5.10.514.11 ≤ v < 5.12.184.11 ≤ v < 5.13.34.11 ≤ v < 5.144.11 ≤ v < 5.4.2935.11 ≤ v < 5.12.185.13 ≤ v < 5.13.35.5 ≤ v < 5.10.514.11f6b10209b90d48a84f886ab2b317b5d2cbfe3143

Vendor states this is fixed in 3133e01514c3c498f2b01ff210ee6134b70c663c (fixed)

Vendor states this is fixed in ad993a95c508417acdeb15244109e009e50d8758 (fixed)

Vendor states this is fixed in ba710baa1cc1b17a0483f7befe03e696efd17292 (fixed)

Vendor states this is fixed in c1b40d1959517ff2ea473d40eeab4691d6d62462 (fixed)

Vendor states this is fixed in c92298d228f61589dd21657af2bea95fc866b813 (fixed)

Vendor states this is fixed in 4.11 (unaffected)

Vendor states this is fixed in 5.10.51 (unaffected)

Vendor states this is fixed in 5.12.18 (unaffected)

Vendor states this is fixed in 5.13.3 (unaffected)

Vendor states this is fixed in 5.14 (unaffected)

Vendor states this is fixed in 5.4.293 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references