CVE-2024-26978

Summary

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.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxf5c252aaa1be5d38604e58e9bd335065f767d0d8 < 7d271b798add90c6196539167c019d0817285cf0affected
LinuxLinux85d79478710ad2cbf11857aec107084a7104943e < c45e53c27b78afd6c81fc25608003576f27b5735affected
LinuxLinux2e1f2d9a9bdbe12ee475c82a45ac46a278e8049a < 12609c76b755dbeb1645c0aacc0f0f4743b2eff3affected
LinuxLinux2e1f2d9a9bdbe12ee475c82a45ac46a278e8049a < 2160ad6861c4a21d3fa553d7b2aaec6634a37f8aaffected
LinuxLinux2e1f2d9a9bdbe12ee475c82a45ac46a278e8049a < 5cd8af02b466e1beeae13e2de3dc58fcc7925e5aaffected
LinuxLinux2e1f2d9a9bdbe12ee475c82a45ac46a278e8049a < aeca49661fd02fd56fb026768b580ce301b45733affected
LinuxLinux2e1f2d9a9bdbe12ee475c82a45ac46a278e8049a < 0d27056c24efd3d63a03f3edfbcfc4827086b110affected
LinuxLinux5.4.272 < 5.4.274affected
LinuxLinux5.10.213 < 5.10.215affected
LinuxLinux6.0affected
LinuxLinux0 < 6.0unaffected
LinuxLinux5.4.274 <= 5.4.*unaffected
LinuxLinux5.10.215 <= 5.10.*unaffected
LinuxLinux6.1.84 <= 6.1.*unaffected
LinuxLinux6.6.24 <= 6.6.*unaffected
LinuxLinux6.7.12 <= 6.7.*unaffected
LinuxLinux6.8.3 <= 6.8.*unaffected
LinuxLinux6.9 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

CVE Program Container

Additional References

References