CVE-2024-26978: serial: max310x: fix NULL pointer dereference in I2C instantiation
First published: Wed May 01 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: serial: max310x: fix NULL pointer dereference in I2C instantiation When trying to instantiate a max14830 device from userspace: echo max14830 0x60 > /sys/bus/i2c/devices/i2c-2/new_device we get the following error: Unable to handle kernel NULL pointer dereference at virtual address... ... Call trace: max310x_i2c_probe+0x48/0x170 [max310x] i2c_device_probe+0x150/0x2a0 ... Add check for validity of devtype to prevent the error, and abort probe with a meaningful error message.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | <5.4.274 | |
| Linux Kernel | >=5.5<5.10.215 | |
| Linux Kernel | >=5.11<6.1.84 | |
| Linux Kernel | >=6.2<6.6.24 | |
| Linux Kernel | >=6.7<6.7.12 | |
| Linux Kernel | >=6.8<=6.8.3 | |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.123-1 6.1.119-1 6.12.11-1 6.12.12-1 |
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Reference Links
- https://git.kernel.org/stable/c/0d27056c24efd3d63a03f3edfbcfc4827086b110
- https://git.kernel.org/stable/c/12609c76b755dbeb1645c0aacc0f0f4743b2eff3
- https://git.kernel.org/stable/c/2160ad6861c4a21d3fa553d7b2aaec6634a37f8a
- https://git.kernel.org/stable/c/5cd8af02b466e1beeae13e2de3dc58fcc7925e5a
- https://git.kernel.org/stable/c/7d271b798add90c6196539167c019d0817285cf0
- https://git.kernel.org/stable/c/aeca49661fd02fd56fb026768b580ce301b45733
- https://git.kernel.org/stable/c/c45e53c27b78afd6c81fc25608003576f27b5735
- https://launchpad.net/bugs/cve/CVE-2024-26978
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-26978
- https://nvd.nist.gov/vuln/detail/CVE-2024-26978
- https://security-tracker.debian.org/tracker/CVE-2024-26978
- https://ubuntu.com/security/CVE-2024-26978
- https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
- https://git.kernel.org/linus/0d27056c24efd3d63a03f3edfbcfc4827086b110
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