CVE-2022-50751

/// Technical description

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

configfs: fix possible memory leak in configfs_create_dir()

kmemleak reported memory leaks in configfs_create_dir():

unreferenced object 0xffff888009f6af00 (size 192):

comm "modprobe", pid 3777, jiffies 4295537735 (age 233.784s)

backtrace:

kmem_cache_alloc (mm/slub.c:3250 mm/slub.c:3256 mm/slub.c:3263 mm/slub.c:3273)

new_fragment (./include/linux/slab.h:600 fs/configfs/dir.c:163)

configfs_register_subsystem (fs/configfs/dir.c:1857)

basic_write (drivers/hwtracing/stm/p_basic.c:14) stm_p_basic

do_one_initcall (init/main.c:1296)

do_init_module (kernel/module/main.c:2455)

...

unreferenced object 0xffff888003ba7180 (size 96):

comm "modprobe", pid 3777, jiffies 4295537735 (age 233.784s)

backtrace:

kmem_cache_alloc (mm/slub.c:3250 mm/slub.c:3256 mm/slub.c:3263 mm/slub.c:3273)

configfs_new_dirent (./include/linux/slab.h:723 fs/configfs/dir.c:194)

configfs_make_dirent (fs/conf

/// Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

/// References