What’s Vulnerable › Vulnerabilities
CVE-2019-25162: i2c: Fix a potential use after free
- Severity: high (CVSS 7.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2024-02-26 · updated 2026-08-04
- Weakness: CWE-416
Description
In the Linux kernel, the following vulnerability has been resolved: i2c: Fix a potential use after free Free the adap structure only after we are done using it. This patch just moves the put_device() down a bit to avoid the use after free. [wsa: added comment to the code, added Fixes tag]
Affected products
- Linux kernel: from 4.3.0 before 4.14.291; from 4.15.0 before 4.19.256; from 4.20.0 before 5.4.211; from 5.5.0 before 5.10.137; from 5.11.0 before 5.15.61; from 5.16.0 before 5.18.18 — fixed in 4.14.291, 4.19.256, 5.10.137, 5.15.61, 5.18.18, 5.19.2
How to fix
Upgrade to a fixed version: Linux kernel 4.14.291, 4.19.256, 5.10.137, 5.15.61. Check the vendor advisory for mitigations.
References
- https://git.kernel.org/stable/c/12b0606000d0828630c033bf0c74c748464fe87d
- https://git.kernel.org/stable/c/23a191b132cd87f746c62f3dc27da33683d85829
- https://git.kernel.org/stable/c/35927d7509ab9bf41896b7e44f639504eae08af7
- https://git.kernel.org/stable/c/81cb31756888bb062e92d2dca21cd629d77a46a9
- https://git.kernel.org/stable/c/871a1e94929a27bf6e2cd99523865c840bbc2d87
- https://git.kernel.org/stable/c/e4c72c06c367758a14f227c847f9d623f1994ecf
- https://git.kernel.org/stable/c/e6412ba3b6508bdf9c074d310bf4144afa6aec1a
- https://git.kernel.org/stable/c/e8e1a046cf87c8b1363e5de835114f2779e2aaf4
- https://git.kernel.org/stable/c/12b0606000d0828630c033bf0c74c748464fe87d
- https://git.kernel.org/stable/c/23a191b132cd87f746c62f3dc27da33683d85829
- https://git.kernel.org/stable/c/35927d7509ab9bf41896b7e44f639504eae08af7
- https://git.kernel.org/stable/c/81cb31756888bb062e92d2dca21cd629d77a46a9
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