What is CVE-2022-49672?

CVE-2022-49672 is a high-severity vulnerability in Linux. CVSS score: 7.8/10. Published 2025-02-26.

How severe is CVE-2022-49672?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Linux

CVE-2022-49672

In the Linux kernel, the following vulnerability has been resolved: net: tun: unlink NAPI from device on destruction Syzbot found a race between tun file and device destruction. NAPIs live in struct tun_file which can get destroyed before the netdev so we have to del them explicitly. The current code is missing deleting the NAPI if the queue was detached first.

EPSS: 0.003 (20.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Linux — versions 943170998b200190f99d3fe7e771437e2c51f319, 4.15, 0
Linux Linux_kernel — versions 5.19

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2022-49672?: CVE-2022-49672 is a high-severity vulnerability in Linux. CVSS score: 7.8/10. Published 2025-02-26.
How severe is CVE-2022-49672?: High severity. CVSS v3 base score is 7.8 out of 10.