Bug 1223526 (CVE-2022-48665)

Summary: VUL-0: CVE-2022-48665: kernel: exfat: fix overflow for large capacity partition
Product: [Novell Products] SUSE Security Incidents Reporter: SMASH SMASH <smash_bz>
Component: IncidentsAssignee: Kernel Bugs <kernel-bugs>
Status: RESOLVED INVALID QA Contact: Security Team bot <security-team>
Severity: Normal    
Priority: P5 - None CC: camila.matos
Version: unspecified   
Target Milestone: ---   
Hardware: Other   
OS: Other   
URL: https://smash.suse.de/issue/403422/
Whiteboard: CVSSv3.1:SUSE:CVE-2022-48665:6.3:(AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N)
Found By: Security Response Team Services Priority:
Business Priority: Blocker: ---
Marketing QA Status: --- IT Deployment: ---

Description SMASH SMASH 2024-04-29 11:10:18 UTC
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.

References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2022-48665
https://www.cve.org/CVERecord?id=CVE-2022-48665
https://git.kernel.org/stable/c/17244f71765dfec39e84493993993e896c376d09
https://git.kernel.org/stable/c/2e9ceb6728f1dc2fa4b5d08f37d88cbc49a20a62
https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2022/CVE-2022-48665.mbox