CVE-2019-25162: i2c: Fix a potential use after free
First published: Mon Feb 26 2024(Updated: )
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]
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | >=4.3.0<4.14.291 | |
| Linux Kernel | >=4.15.0<4.19.256 | |
| Linux Kernel | >=4.20.0<5.4.211 | |
| Linux Kernel | >=5.5.0<5.10.137 | |
| Linux Kernel | >=5.11.0<5.15.61 | |
| Linux Kernel | >=5.16.0<5.18.18 | |
| Linux Kernel | >=5.19.0<5.19.2 | |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.123-1 6.1.128-1 6.12.12-1 6.12.15-1 |
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Reference Links
- 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://launchpad.net/bugs/cve/CVE-2019-25162
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-25162
- https://nvd.nist.gov/vuln/detail/CVE-2019-25162
- https://security-tracker.debian.org/tracker/CVE-2019-25162
- https://ubuntu.com/security/CVE-2019-25162
- https://git.kernel.org/linus/e4c72c06c367758a14f227c847f9d623f1994ecf
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2266299
- https://access.redhat.com/errata/RHSA-2024:3618
- https://access.redhat.com/errata/RHSA-2024:3627
- https://access.redhat.com/security/cve/CVE-2019-25162
- https://access.redhat.com/errata/RHSA-2024:9315
- https://bugzilla.redhat.com/show_bug.cgi?id=2266296
Frequently Asked Questions
What is the severity of CVE-2019-25162?
CVE-2019-25162 has been classified with a medium severity level due to potential use after free vulnerabilities in the Linux kernel.
How do I fix CVE-2019-25162?
To fix CVE-2019-25162, update your Linux kernel to a version that includes the patch, such as 5.10.223-1 or later.
What versions of the Linux kernel are affected by CVE-2019-25162?
CVE-2019-25162 affects multiple versions of the Linux kernel, specifically between 4.3.0 and 5.19.0.
Is CVE-2019-25162 specific to a particular Linux distribution?
CVE-2019-25162 is not specific to a single distribution; it affects the Linux kernel used by various distributions.
What are the potential risks associated with CVE-2019-25162?
The risks associated with CVE-2019-25162 include possible system crashes or unauthorized access due to improper memory handling.
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