What is CVE-2022-45886?

CVE-2022-45886 is a high-severity vulnerability in Linux Kernel, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 7.0/10. Published 2022-11-25.

How severe is CVE-2022-45886?

High severity. CVSS v3 base score is 7.0 out of 10.

Use After Free in Linux Kernel

CVE-2022-45886

An issue was discovered in the Linux kernel through 6.0.9. drivers/media/dvb-core/dvb_net.c has a .disconnect versus dvb_device_open race condition that leads to a use-after-free.

Vulnerability class: Race Condition

Published 2022-11-25 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (23.7th percentile), scored 2026-10-04.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 24th percentile — 23.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000

Affected products

Weakness classification (CWE)

References

lore.kernel.org/linux-media/20221115131822.6640-1-imv4bel@gmail.com/ (Patch, Mailing List, Third Party Advisory)
lore.kernel.org/linux-media/20221115131822.6640-3-imv4bel@gmail.com/ (URL Repurposed, Patch, Third Party Advisory)
security.netapp.com/advisory/ntap-20230113-0006/ (Third Party Advisory)
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/

Frequently asked questions

What is CVE-2022-45886?: CVE-2022-45886 is a high-severity vulnerability in Linux Kernel, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 7.0/10. Published 2022-11-25.
How severe is CVE-2022-45886?: High severity. CVSS v3 base score is 7.0 out of 10.