CVE-2022-48665 exfat: fix overflow for large capacity partition

What is CVE-2022-48665?

CVE-2022-48665 is a high-severity vulnerability in Linux kernel, published on 28 Apr 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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

exfat: fix overflow for large capacity partition

Using int type for sector index, there will be overflow in a large capacity partition.

For example, if storage with sector size of 512 bytes and partition capacity is larger than 2TB, there will be overflow.

Weakness: CWE-191

Which versions are affected by CVE-2022-48665?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2022-48665?

Apply the vendor's patch.

Is CVE-2022-48665 being exploited?

There is no known exploitation of CVE-2022-48665 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2022-48665, GHSA-cjrf-279r-429f, UBUNTU-CVE-2022-48665.