The vulnerability of the f2fs_rename() function in the Linux operating system allows a hacker to cause a service failure.

The vulnerability of the f2fsrename function in the Linux operating system is related to a potential memory leak. Exploiting this vulnerability could allow an attacker to cause a service failure...

CVE-2026-31714: Missing Release of Memory after Effective Lifetime

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid memory leak in f2fsrename syzbot reported a f2fs bug as below: BUG: memory leak unreferenced object 0xffff888127f70830 size 16: comm "syz.0.23", pid 6144, jiffies 4294943712 hex dump first 16 bytes: 3c af 57 72...

Spoofing

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid dirent corruption As Al reported in link1: f2fsrename ... if olddir != newdir && !whiteout f2fssetlinkoldinode, olddirentry, olddirpage, newdir; else f2fsputpageolddirpage, 0; You want correct inumber in the "....

CVE-2023-52444: Improper Restriction of Operations within the Bounds of a Memory Buffer

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid dirent corruption As Al reported in link1: f2fsrename ... if olddir != newdir && !whiteout f2fssetlinkoldinode, olddirentry, olddirpage, newdir; else f2fsputpageolddirpage, 0; You want correct inumber in the "....