What’s Vulnerable › Vulnerabilities

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

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-04-28 · updated 2026-08-04
• Weakness: CWE-191

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.

Affected products

• Linux kernel: from 5.19 before 5.19.12; 6.0-rc1, 6.0-rc2, 6.0-rc3, 6.0-rc4, 6.0-rc5, 6.0-rc6 — fixed in 5.19.12

How to fix

Upgrade to a fixed version: Linux kernel 5.19.12. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/17244f71765dfec39e84493993993e896c376d09
• https://git.kernel.org/stable/c/2e9ceb6728f1dc2fa4b5d08f37d88cbc49a20a62
• https://git.kernel.org/stable/c/17244f71765dfec39e84493993993e896c376d09
• https://git.kernel.org/stable/c/2e9ceb6728f1dc2fa4b5d08f37d88cbc49a20a62

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