Use After Free in Linux
CVE-2022-48754
In the Linux kernel, the following vulnerability has been resolved: phylib: fix potential use-after-free Commit bafbdd527d56 ("phylib: Add device reset GPIO support") added call to phy_device_reset(phydev) after the put_device() call in phy_detach(). The comment before the put_device() call says that the phydev might go away with put_device(). Fix potential use-after-free by calling phy_device_reset() before put_device().
Vulnerability class: Use-After-Free
EPSS: 0.002 (14.4th 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 bafbdd527d569c8200521f2f7579f65a044271be, 4.16, 0
- Linux Linux_kernel — versions 5.17
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2022-48754?
- CVE-2022-48754 is a high-severity vulnerability in Linux, classified under Use After Free. CVSS score: 7.8/10. Published 2024-06-20.
- How severe is CVE-2022-48754?
- High severity. CVSS v3 base score is 7.8 out of 10.