Buffer overflow in Linux
CVE-2022-50040
In the Linux kernel, the following vulnerability has been resolved: net: dsa: sja1105: fix buffer overflow in sja1105_setup_devlink_regions() If an error occurs in dsa_devlink_region_create(), then 'priv->regions' array will be accessed by negative index '-1'. Found by Linux Verification Center (linuxtesting.org) with SVACE.
Vulnerability class: Buffer Overflow
EPSS: 0.002 (14.0th 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 bf425b82059e0b0752c0026353c1902112200837, 5.10, 0
- Linux Linux_kernel — versions 6.0
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2022-50040?
- CVE-2022-50040 is a high-severity vulnerability in Linux, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2025-06-18.
- How severe is CVE-2022-50040?
- High severity. CVSS v3 base score is 7.8 out of 10.