CVE-2021-3483

HIGH

7.8

CVSS Score

Published: May 17, 2021 at 11:25 AM UTC

Updated: August 5, 2026 at 10:17 PM UTC

19 products affected across 3 vendorsLinux KernelDebian LinuxCloud Backup

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Severity

HIGH7.8

Exploit prediction

EPSS 0.4%

Description

A flaw was found in the Nosy driver in the Linux kernel. This issue allows a device to be inserted twice into a doubly-linked list, leading to a use-after-free when one of these devices is removed. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability. Versions before kernel 5.12-rc6 are affected

Affected

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

Debian Linux · Debiandrupal

95%

9.0

Linux Kernel · Linux

95%

v < 4.4.265v < 5.124.10 ≤ v < 4.14.2294.15 ≤ v < 4.19.1854.20 ≤ v < 5.4.1104.5 ≤ v < 4.9.2655.11 ≤ v < 5.11.125.5 ≤ v < 5.10.284.10 4.15 4.20 4.5 5.11 5.12 rc1 5.12 rc2 5.12 rc3 5.12 rc4 5.12 rc5 5.5

Affected range stops below 4.14.229, so it looks safe — our inference, not a vendor statement

Affected range stops below 4.19.185, so it looks safe — our inference, not a vendor statement

Affected range stops below 4.4.265, so it looks safe — our inference, not a vendor statement

Affected range stops below 4.9.265, so it looks safe — our inference, not a vendor statement

Affected range stops below 5.10.28, so it looks safe — our inference, not a vendor statement

Affected range stops below 5.11.12, so it looks safe — our inference, not a vendor statement

Affected range stops below 5.12, so it looks safe — our inference, not a vendor statement

Affected range stops below 5.4.110, so it looks safe — our inference, not a vendor statement

Cloud Backup · NetAppdrupal

95%

All versions

H300E Firmware · NetAppdrupal