CVE-2024-47677
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2024-47677
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2024-47677.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2024-47677
- Downstream
- Related
- Published
- 2024-10-21T11:53:21Z
- Modified
- 2025-10-14T23:40:11.831124Z
- 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
-
Introduceda13d1a4de3b0fe3c41d818697d691c886c5585faFixedf9835aec49670c46ebe2973032caaa1043b3d4da
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduceda13d1a4de3b0fe3c41d818697d691c886c5585faFixed331ed2c739ce656a67865f6b3ee0a478349d78cb
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduceda13d1a4de3b0fe3c41d818697d691c886c5585faFixedc290fe508eee36df1640c3cb35dc8f89e073c8a8
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
Database specific
{
"vanir_signatures": [
{
"target": {
"file": "fs/exfat/nls.c"
},
"digest": {
"threshold": 0.9,
"line_hashes": [
"89722590051140121782478850204826708517",
"67929797535751086389390525150925824213",
"228471315404795986895323845841852237464",
"187134190619959684553257749738286139251",
"263977938238783006607529835595286136881"
]
},
"signature_version": "v1",
"id": "CVE-2024-47677-21ac018d",
"deprecated": false,
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@f9835aec49670c46ebe2973032caaa1043b3d4da",
"signature_type": "Line"
},
{
"target": {
"file": "fs/exfat/nls.c",
"function": "exfat_create_upcase_table"
},
"digest": {
"length": 1073.0,
"function_hash": "175794721405692734119429629024286186"
},
"signature_version": "v1",
"id": "CVE-2024-47677-331443fb",
"deprecated": false,
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@f9835aec49670c46ebe2973032caaa1043b3d4da",
"signature_type": "Function"
},
{
"target": {
"file": "fs/exfat/nls.c",
"function": "exfat_create_upcase_table"
},
"digest": {
"length": 1073.0,
"function_hash": "175794721405692734119429629024286186"
},
"signature_version": "v1",
"id": "CVE-2024-47677-51372812",
"deprecated": false,
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@331ed2c739ce656a67865f6b3ee0a478349d78cb",
"signature_type": "Function"
},
{
"target": {
"file": "fs/exfat/nls.c"
},
"digest": {
"threshold": 0.9,
"line_hashes": [
"89722590051140121782478850204826708517",
"67929797535751086389390525150925824213",
"228471315404795986895323845841852237464",
"187134190619959684553257749738286139251",
"263977938238783006607529835595286136881"
]
},
"signature_version": "v1",
"id": "CVE-2024-47677-773e981a",
"deprecated": false,
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@c290fe508eee36df1640c3cb35dc8f89e073c8a8",
"signature_type": "Line"
},
{
"target": {
"file": "fs/exfat/nls.c"
},
"digest": {
"threshold": 0.9,
"line_hashes": [
"89722590051140121782478850204826708517",
"67929797535751086389390525150925824213",
"228471315404795986895323845841852237464",
"187134190619959684553257749738286139251",
"263977938238783006607529835595286136881"
]
},
"signature_version": "v1",
"id": "CVE-2024-47677-7b0e464f",
"deprecated": false,
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@331ed2c739ce656a67865f6b3ee0a478349d78cb",
"signature_type": "Line"
},
{
"target": {
"file": "fs/exfat/nls.c",
"function": "exfat_create_upcase_table"
},
"digest": {
"length": 1073.0,
"function_hash": "175794721405692734119429629024286186"
},
"signature_version": "v1",
"id": "CVE-2024-47677-fd68effc",
"deprecated": false,
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@c290fe508eee36df1640c3cb35dc8f89e073c8a8",
"signature_type": "Function"
}
]
}