CVE-2024-47677

Source
https://nvd.nist.gov/vuln/detail/CVE-2024-47677
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-47677.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2024-47677
Downstream
Related
Published
2024-10-21T11:53:21Z
Modified
2025-10-22T03:21:06.011208Z
Summary
exfat: resolve memory leak from exfat_create_upcase_table()
Details

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

exfat: resolve memory leak from exfatcreateupcase_table()

If exfatloadupcasetable reaches end and returns -EINVAL, allocated memory doesn't get freed and while exfatloaddefaultupcase_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

References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
a13d1a4de3b0fe3c41d818697d691c886c5585fa
Fixed
f9835aec49670c46ebe2973032caaa1043b3d4da
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
a13d1a4de3b0fe3c41d818697d691c886c5585fa
Fixed
331ed2c739ce656a67865f6b3ee0a478349d78cb
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
a13d1a4de3b0fe3c41d818697d691c886c5585fa
Fixed
c290fe508eee36df1640c3cb35dc8f89e073c8a8

Affected versions

v6.*

v6.10
v6.10-rc1
v6.10-rc2
v6.10-rc3
v6.10-rc4
v6.10-rc5
v6.10-rc6
v6.10-rc7
v6.10.1
v6.10.10
v6.10.11
v6.10.12
v6.10.2
v6.10.3
v6.10.4
v6.10.5
v6.10.6
v6.10.7
v6.10.8
v6.10.9
v6.11
v6.11-rc1
v6.11-rc2
v6.11-rc3
v6.11-rc4
v6.11-rc5
v6.11-rc6
v6.11-rc7
v6.11.1
v6.8
v6.8-rc2
v6.8-rc3
v6.8-rc4
v6.8-rc5
v6.8-rc6
v6.8-rc7
v6.9
v6.9-rc1
v6.9-rc2
v6.9-rc3
v6.9-rc4
v6.9-rc5
v6.9-rc6
v6.9-rc7

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
6.8.0
Fixed
6.10.13
Type
ECOSYSTEM
Events
Introduced
6.11.0
Fixed
6.11.2