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medium5.5

CVE-2023-53391

In the Linux kernel, the following vulnerability has been resolved: shmem: use ramfs_kill_sb() for kill_sb method of ramfs-based tmpfs As the ramfs-based tmpfs…

Impact

In the Linux kernel, the following vulnerability has been resolved: shmem: use ramfs_kill_sb() for kill_sb method of ramfs-based tmpfs As the ramfs-based tmpfs uses ramfs_init_fs_context() for the init_fs_context method, which allocates fc->s_fs_info, use ramfs_kill_sb() to free it and avoid a memory leak.

Affected products

VendorProductAffected versions
LinuxLinux Kernel
from 2.6.30 before 5.10.188
from 5.11 before 5.15.121
from 5.16 before 6.1.39
from 6.2 before 6.4.4

References