PT-2025-27981

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A double free issue in the exfat module has been resolved. The double free could occur in a specific path involving the exfat create upcase table, exfat free upcase table, exfat load...

CVE-2022-49560 exfat: check if cluster num is valid

In the Linux kernel, the following vulnerability has been resolved: exfat: check if cluster num is valid Syzbot reported slab-out-of-bounds read in exfatclearbitmap. This was triggered by reproducer calling truncute with size 0, which causes the following trace: BUG: KASAN: slab-out-of-bounds in...

CVE-2024-57943

CVE-2024-57943 affects the Linux kernel exFAT path where a newly allocated buffer head could write uninitialized data from the page cache. The root cause is that buffers marked as new were not zeroed before write_end(), risking data leakage or corruption. The remediation is a kernel commit that c...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from the exfat module not properly zeroing new buffers on write. This could result in uninitialized data being...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in Linux kernel, which stems from the exfat module falling into an infinite loop when directory entries are not updated correctly. This could...

CVE-2024-53147

In the Linux kernel, the following vulnerability has been resolved: exfat: fix out-of-bounds access of directory entries In the case of the directory size is greater than or equal to the cluster size, if startclu becomes an EOF clusteran invalid cluster due to file system corruption, then the...

PT-2024-32732

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A memory leak issue has been identified in the Linux kernel, specifically in the exfat module. The problem occurs when exfat load upcase table reaches its end and returns -EINVAL, causin...