CVE-2024-58016 Information

Description

In the Linux kernel the following vulnerability has been resolved:

safesetid: check size of policy writes

syzbot attempts to write a buffer with a large size to a sysfs entry with writes handled by handle_policy_update() triggering a warning in kmalloc.

Check the size specified for write buffers before allocating.

[PM: subject tweak]

Reference

https://git.kernel.org/stable/c/36b385d0f2b4c0bf41d491e19075ecd990d2bf94 https://git.kernel.org/stable/c/96fae5bd1589731592d30b3953a90a77ef3928a6 https://git.kernel.org/stable/c/a0dec65f88c8d9290dfa1d2ca1e897abe54c5881 https://git.kernel.org/stable/c/c71d35676d46090c891b6419f253fb92a1a9f4eb https://git.kernel.org/stable/c/f09ff307c7299392f1c88f763299e24bc99811c7