CVE-2024-35984: i2c: smbus: fix NULL function pointer dereference
First published: Mon May 20 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: i2c: smbus: fix NULL function pointer dereference Baruch reported an OOPS when using the designware controller as target only. Target-only modes break the assumption of one transfer function always being available. Fix this by always checking the pointer in __i2c_transfer. [wsa: dropped the simplification in core-smbus to avoid theoretical regressions]
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | >=3.19<4.19.313 | |
| Linux Linux kernel | >=4.20<5.4.275 | |
| Linux Linux kernel | >=5.5<5.10.216 | |
| Linux Linux kernel | >=5.11<5.15.158 | |
| Linux Linux kernel | >=5.16<6.1.90 | |
| Linux Linux kernel | >=6.2<6.6.30 | |
| Linux Linux kernel | >=6.7<6.8.9 | |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.119-1 6.12.5-1 6.12.6-1 |
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Reference Links
- https://git.kernel.org/stable/c/357c64ef1ef39b1e7cd91ab6bdd304d043702c83
- https://git.kernel.org/stable/c/40f1d79f07b49c8a64a861706e5163f2db4bd95d
- https://git.kernel.org/stable/c/4e75e222d397c6752b229ed72fc4644c8c36ecde
- https://git.kernel.org/stable/c/5a09eae9a7db597fe0c1fc91636205b4a25d2620
- https://git.kernel.org/stable/c/5fd72404587d7db4acb2d241fd8c387afb0a7aec
- https://git.kernel.org/stable/c/91811a31b68d3765b3065f4bb6d7d6d84a7cfc9f
- https://git.kernel.org/stable/c/ad3c3ac7a03be3697114f781193dd3e9d97e6e23
- https://git.kernel.org/stable/c/e3425674ff68dc521c57c6eabad0cbd20a027d85
- https://launchpad.net/bugs/cve/CVE-2024-35984
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-35984
- https://nvd.nist.gov/vuln/detail/CVE-2024-35984
- https://security-tracker.debian.org/tracker/CVE-2024-35984
- https://ubuntu.com/security/CVE-2024-35984
- https://git.kernel.org/linus/91811a31b68d3765b3065f4bb6d7d6d84a7cfc9f
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