In the Linux kernel, the following vulnerability has been resolved: exfat: resolve memory leak from exfat_create_upcase_table() If exfat_load_upcase_table reaches end and returns -EINVAL, allocated memory doesn't get freed and while exfat_load_default_upcase_table allocates more memory, leading to a memory leak. Here's link to syzkaller crash report illustrating this issue: https://syzkaller.appspot.com/text?tag=CrashReport&x=1406c201980000
History

Tue, 22 Oct 2024 15:15:00 +0000

Type Values Removed Values Added
First Time appeared Linux
Linux linux Kernel
Weaknesses CWE-401
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Vendors & Products Linux
Linux linux Kernel

Tue, 22 Oct 2024 01:30:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

threat_severity

Low


Mon, 21 Oct 2024 13:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 21 Oct 2024 12:00:00 +0000

Type Values Removed Values Added
Description In the Linux kernel, the following vulnerability has been resolved: exfat: resolve memory leak from exfat_create_upcase_table() If exfat_load_upcase_table reaches end and returns -EINVAL, allocated memory doesn't get freed and while exfat_load_default_upcase_table allocates more memory, leading to a memory leak. Here's link to syzkaller crash report illustrating this issue: https://syzkaller.appspot.com/text?tag=CrashReport&x=1406c201980000
Title exfat: resolve memory leak from exfat_create_upcase_table()
References

cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published: 2024-10-21T11:53:21.138Z

Updated: 2024-11-05T09:48:36.350Z

Reserved: 2024-09-30T16:00:12.938Z

Link: CVE-2024-47677

cve-icon Vulnrichment

Updated: 2024-10-21T13:07:53.801Z

cve-icon NVD

Status : Analyzed

Published: 2024-10-21T12:15:04.760

Modified: 2024-10-22T14:55:45.950

Link: CVE-2024-47677

cve-icon Redhat

Severity : Low

Publid Date: 2024-10-21T00:00:00Z

Links: CVE-2024-47677 - Bugzilla