CVE-2024-26978
Published: May 2, 2024Last modified: May 2, 2024
Description
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Fixed (6.1.89-r0) |
| Stream | linux-lts | Fixed (6.6.58-r0) |
References
- 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://lists.debian.org/debian-lts-announce/2024/06/msg00017.html