UnratedFix available
udf: Fix uninitialized array access for some pathnames
Type: advisorySources: OSV
In the Linux kernel, the following vulnerability has been resolved: udf: Fix uninitialized array access for some pathnames For filenames that begin with . and are between 2 and 5 characters long, UDF charset conversion code would read uninitialized memory in the output buffer. The only practical impact is that the name may be prepended a "unification hash" when it is not actually needed but still it is good to fix this.
- Products
- Kernel
- Affected versions
- Not specified
- Fixed versions
- 4.14.324, 4.19.293, 5.10.192, 5.15.123, 5.4.255, 6.1.42, 6.4.7
- CVEs
- CVE-2023-53165
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 6 Nov 2026, 01:47 UTC · Revision 1
Source evidence
udf: Fix uninitialized array access for some pathnames
core-osv · Original sourcePublished 15 Sept 2025, 14:03 UTC
In the Linux kernel, the following vulnerability has been resolved: udf: Fix uninitialized array access for some pathnames For filenames that begin with . and are between 2 and 5 characters long, UDF charset conversion code would read uninitialized memory in the output buffer. The only practical impact is that the name may be prepended a "unification hash" when it is not actually needed but still it is good to fix this.
osv:CVE-2023-53165
Kernel
Fixed versions: 4.14.324, 4.19.293, 5.4.255, 5.10.192, 5.15.123, 6.1.42, 6.4.7
Complete source record
{
"id": "9991d2aac73390b4d2a6e483dcf1d54da1230d00e5ef6a3733a03cb4387dffd5",
"url": "https://osv.dev/vulnerability/CVE-2023-53165",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "udf: Fix uninitialized array access for some pathnames",
"summary": "In the Linux kernel, the following vulnerability has been resolved: udf: Fix uninitialized array access for some pathnames For filenames that begin with . and are between 2 and 5 characters long, UDF charset conversion code would read uninitialized memory in the output buffer. The only practical impact is that the name may be prepended a \"unification hash\" when it is not actually needed but still it is good to fix this.",
"evidence": "osv:CVE-2023-53165",
"products": [
{
"name": {
"value": "Kernel",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4.14.324",
"evidence": "/affected/1/ranges"
},
{
"value": "4.19.293",
"evidence": "/affected/1/ranges"
},
{
"value": "5.4.255",
"evidence": "/affected/1/ranges"
},
{
"value": "5.10.192",
"evidence": "/affected/1/ranges"
},
{
"value": "5.15.123",
"evidence": "/affected/1/ranges"
},
{
"value": "6.1.42",
"evidence": "/affected/1/ranges"
},
{
"value": "6.4.7",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CVE-2023-53165",
"aliases": [
"CVE-2023-53165"
],
"affected": [
{
"ranges": [
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"type": "GIT",
"events": [
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{
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{
"fixed": "b37f998d357102e8eb0f8eeb33f03fff22e49cbf"
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{
"fixed": "3f1368af47acf4d0b2a5fb0d2c0d6919d2234b6d"
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{
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{
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{
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{
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}
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}
],
"database_specific": {
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}
},
{
"ranges": [
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"type": "ECOSYSTEM",
"events": [
{
"introduced": "4.6.0"
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{
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{
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},
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "5.5.0"
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{
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},
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "5.11.0"
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{
"fixed": "5.15.123"
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},
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "5.16.0"
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{
"fixed": "6.1.42"
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},
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "6.2.0"
},
{
"fixed": "6.4.7"
}
]
}
],
"package": {
"name": "Kernel",
"ecosystem": "Linux"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53165.json"
}
}
],
"modified": "2026-10-28T02:30:46.182604873Z",
"provider": "osv",
"references": [
"https://git.kernel.org/stable/c/008ae78d1e12efa904dc819b1ec83e2bca6b2c56",
"https://git.kernel.org/stable/c/028f6055c912588e6f72722d89c30b401bbcf013",
"https://git.kernel.org/stable/c/3f1368af47acf4d0b2a5fb0d2c0d6919d2234b6d",
"https://git.kernel.org/stable/c/4503f6fc95d6dee85fb2c54785848799e192c51c",
"https://git.kernel.org/stable/c/4d50988da0db167aed6f38685145cb5cd526c4f8",
"https://git.kernel.org/stable/c/985f9666698960dfc87a106d6314203fa90fda75",
"https://git.kernel.org/stable/c/a6824149809395dfbb5bc36bc7057cc3cb84e56d",
"https://git.kernel.org/stable/c/b37f998d357102e8eb0f8eeb33f03fff22e49cbf",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53165.json",
"https://nvd.nist.gov/vuln/detail/CVE-2023-53165",
"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
],
"provider_metadata": {
"cna_assigner": "Linux",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53165.json"
}
},
"related_cves": [
{
"value": "CVE-2023-53165",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 513996,
"published_at": "2025-09-15T14:03:53.987+00:00"
}