NULL pointer dereference in Linux
CVE-2022-49202
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_uart: add missing NULL check in h5_enqueue Syzbot hit general protection fault in __pm_runtime_resume(). The problem was in missing NULL check. hu->serdev can be NULL and we should not blindly pass &serdev->dev somewhere, since it will cause GPF.
EPSS: 0.003 (17.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Linux — versions d9dd833cf6d29695682ec7e7924c0d0992b906bc, 5.15, 0
- Linux Linux_kernel
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2022-49202?
- CVE-2022-49202 is a medium-severity vulnerability in Linux, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2025-02-26.
- How severe is CVE-2022-49202?
- Medium severity. CVSS v3 base score is 5.5 out of 10.