CVE-2024-26978

low-risk
Published 2024-05-01

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.

Do I need to act?

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0.01% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10 Medium
LOCAL / LOW complexity

Affected Products (1)

Affected Vendors

Linux

References (15)

Patch https://git.kernel.org/stable/c/0d27056c24efd3d63a03f3edfbcfc4827086b110
Patch https://git.kernel.org/stable/c/12609c76b755dbeb1645c0aacc0f0f4743b2eff3
Patch https://git.kernel.org/stable/c/2160ad6861c4a21d3fa553d7b2aaec6634a37f8a
Patch https://git.kernel.org/stable/c/5cd8af02b466e1beeae13e2de3dc58fcc7925e5a
Patch https://git.kernel.org/stable/c/7d271b798add90c6196539167c019d0817285cf0
Patch https://git.kernel.org/stable/c/aeca49661fd02fd56fb026768b580ce301b45733
Patch https://git.kernel.org/stable/c/c45e53c27b78afd6c81fc25608003576f27b5735
Patch https://git.kernel.org/stable/c/0d27056c24efd3d63a03f3edfbcfc4827086b110
Patch https://git.kernel.org/stable/c/12609c76b755dbeb1645c0aacc0f0f4743b2eff3
Patch https://git.kernel.org/stable/c/2160ad6861c4a21d3fa553d7b2aaec6634a37f8a
Patch https://git.kernel.org/stable/c/5cd8af02b466e1beeae13e2de3dc58fcc7925e5a
Patch https://git.kernel.org/stable/c/7d271b798add90c6196539167c019d0817285cf0
Patch https://git.kernel.org/stable/c/aeca49661fd02fd56fb026768b580ce301b45733
Patch https://git.kernel.org/stable/c/c45e53c27b78afd6c81fc25608003576f27b5735
https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
23
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal