What’s Vulnerable › Vulnerabilities

CVE-2022-49385: driver: base: fix UAF when driver_attach failed

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-02-26 · updated 2026-06-17
• Weakness: CWE-416

Description

In the Linux kernel, the following vulnerability has been resolved: driver: base: fix UAF when driver_attach failed When driver_attach(drv); failed, the driver_private will be freed. But it has been added to the bus, which caused a UAF. To fix it, we need to delete it from the bus when failed.

Affected products

• Linux kernel: from 3.9 before 5.4.198; from 5.5 before 5.10.122; from 5.11 before 5.15.47; from 5.16 before 5.17.15; from 5.18 before 5.18.4 — fixed in 5.10.122, 5.15.47, 5.17.15, 5.18.4, 5.4.198

How to fix

Upgrade to a fixed version: Linux kernel 5.10.122, 5.15.47, 5.17.15, 5.18.4. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/310862e574001a97ad02272bac0fd13f75f42a27
• https://git.kernel.org/stable/c/5389101257828d1913d713d9a40acbe14f5961df
• https://git.kernel.org/stable/c/5d709f58c743166fe1c6914b9de0ae8868600d9b
• https://git.kernel.org/stable/c/823f24f2e329babd0330200d0b74882516fe57f4
• https://git.kernel.org/stable/c/c059665c84feab46b7173d3a1bf36c2fb7f9df86
• https://git.kernel.org/stable/c/cdf1a683a01583bca4b618dd16223cbd6e462e21

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