What is CVE-2022-49455?

CVE-2022-49455 is a high-severity vulnerability in Linux, classified under Double Free. CVSS score: 7.8/10. Published 2025-02-26.

How severe is CVE-2022-49455?

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

Double Free in Linux

CVE-2022-49455

In the Linux kernel, the following vulnerability has been resolved: misc: ocxl: fix possible double free in ocxl_file_register_afu info_release() will be called in device_unregister() when info->dev's reference count is 0. So there is no need to call ocxl_afu_put() and kfree() again. Fix this by adding free_minor() and return to err_unregister error path.

Vulnerability class: Double Free

EPSS: 0.003 (19.1th 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 75ca758adbafc81804c39b2c200ecdc819a6c042, 5.2, 0
Linux Linux_kernel

Weakness classification (CWE)

CWE-415 — Double Free

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-2022-49455?: CVE-2022-49455 is a high-severity vulnerability in Linux, classified under Double Free. CVSS score: 7.8/10. Published 2025-02-26.
How severe is CVE-2022-49455?: High severity. CVSS v3 base score is 7.8 out of 10.