CVE-2025-39920

Summary

In the Linux kernel, the following vulnerability has been resolved:

pcmcia: Add error handling for add_interval() in do_validate_mem()

In the do_validate_mem(), the call to add_interval() does not handle errors. If kmalloc() fails in add_interval(), it could result in a null pointer being inserted into the linked list, leading to illegal memory access when sub_interval() is called next.

This patch adds an error handling for the add_interval(). If add_interval() returns an error, the function will return early with the error code.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux7b4884ca8853a638df0eb5d251d80d67777b8b1a < 5b60ed401b47897352c520bc724c85aa908dedccaffected
LinuxLinux7b4884ca8853a638df0eb5d251d80d67777b8b1a < ae184024ef31423e5beb44cf4f52999bbcf2fe5baffected
LinuxLinux7b4884ca8853a638df0eb5d251d80d67777b8b1a < 85be7ef8c8e792a414940a38d94565dd48d2f236affected
LinuxLinux7b4884ca8853a638df0eb5d251d80d67777b8b1a < 06b26e3099207c94b3d1be8565aedc6edc4f0a60affected
LinuxLinux7b4884ca8853a638df0eb5d251d80d67777b8b1a < 8699358b6ac99b8ccc97ed9e6e3669ef8958ef7baffected
LinuxLinux7b4884ca8853a638df0eb5d251d80d67777b8b1a < 289b58f8ff3198d091074a751d6b8f6827726f3eaffected
LinuxLinux7b4884ca8853a638df0eb5d251d80d67777b8b1a < 369bf6e241506583f4ee7593c53b92e5a9f271b4affected
LinuxLinux7b4884ca8853a638df0eb5d251d80d67777b8b1a < 4a81f78caa53e0633cf311ca1526377d9bff7479affected
LinuxLinux2.6.34affected
LinuxLinux0 < 2.6.34unaffected
LinuxLinux5.4.299 <= 5.4.*unaffected
LinuxLinux5.10.243 <= 5.10.*unaffected
LinuxLinux5.15.192 <= 5.15.*unaffected
LinuxLinux6.1.151 <= 6.1.*unaffected
LinuxLinux6.6.105 <= 6.6.*unaffected
LinuxLinux6.12.46 <= 6.12.*unaffected
LinuxLinux6.16.6 <= 6.16.*unaffected
LinuxLinux6.17 <= *unaffected

Weaknesses

ADP Enrichment

CVE Program Container

Additional References

References