CVE-2024-47677: exfat: resolve memory leak from exfat_create_upcase_table()
First published: Mon Oct 21 2024(Updated: )
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
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | >=6.8<6.10.13 | |
| Linux Kernel | >=6.11<6.11.2 |
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Reference Links
- https://git.kernel.org/stable/c/f9835aec49670c46ebe2973032caaa1043b3d4da
- https://git.kernel.org/stable/c/331ed2c739ce656a67865f6b3ee0a478349d78cb
- https://git.kernel.org/stable/c/c290fe508eee36df1640c3cb35dc8f89e073c8a8
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-47677
- https://nvd.nist.gov/vuln/detail/CVE-2024-47677
- https://launchpad.net/bugs/cve/CVE-2024-47677
- https://security-tracker.debian.org/tracker/CVE-2024-47677
- https://ubuntu.com/security/CVE-2024-47677
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