UnratedFix available
scsi: libfc: Fix potential NULL pointer dereference in fc_lport_ptp_setup()
Type: advisorySources: OSV
In the Linux kernel, the following vulnerability has been resolved: scsi: libfc: Fix potential NULL pointer dereference in fc_lport_ptp_setup() fc_lport_ptp_setup() did not check the return value of fc_rport_create() which can return NULL and would cause a NULL pointer dereference. Address this issue by checking return value of fc_rport_create() and log error message on fc_rport_create() failed.
- Products
- Kernel
- Affected versions
- Not specified
- Fixed versions
- 4.14.331, 4.19.300, 5.10.202, 5.15.140, 5.4.262, 6.1.64, 6.5.13, 6.6.3
- CVEs
- CVE-2023-52809
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 4 Nov 2026, 21:37 UTC · Revision 1
Source evidence
scsi: libfc: Fix potential NULL pointer dereference in fc_lport_ptp_setup()
core-osv · Original sourcePublished 21 May 2024, 15:31 UTC
In the Linux kernel, the following vulnerability has been resolved: scsi: libfc: Fix potential NULL pointer dereference in fc_lport_ptp_setup() fc_lport_ptp_setup() did not check the return value of fc_rport_create() which can return NULL and would cause a NULL pointer dereference. Address this issue by checking return value of fc_rport_create() and log error message on fc_rport_create() failed.
osv:CVE-2023-52809
Kernel
Fixed versions: 4.14.331, 4.19.300, 5.4.262, 5.10.202, 5.15.140, 6.1.64, 6.5.13, 6.6.3
Complete source record
{
"id": "9409e5ad5ba9f94f8e54cb9e070cf0acad321eea42a7cc0de811f17dc904b903",
"url": "https://osv.dev/vulnerability/CVE-2023-52809",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "scsi: libfc: Fix potential NULL pointer dereference in fc_lport_ptp_setup()",
"summary": "In the Linux kernel, the following vulnerability has been resolved: scsi: libfc: Fix potential NULL pointer dereference in fc_lport_ptp_setup() fc_lport_ptp_setup() did not check the return value of fc_rport_create() which can return NULL and would cause a NULL pointer dereference. Address this issue by checking return value of fc_rport_create() and log error message on fc_rport_create() failed.",
"evidence": "osv:CVE-2023-52809",
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{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "6.2.0"
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"modified": "2026-10-28T02:30:40.191890371Z",
"provider": "osv",
"references": [
"https://git.kernel.org/stable/c/442fd24d7b6b29e4a9cd9225afba4142d5f522ba",
"https://git.kernel.org/stable/c/4df105f0ce9f6f30cda4e99f577150d23f0c9c5f",
"https://git.kernel.org/stable/c/56d78b5495ebecbb9395101f3be177cd0a52450b",
"https://git.kernel.org/stable/c/6b9ecf4e1032e645873933e5b43cbb84cac19106",
"https://git.kernel.org/stable/c/77072ec41d6ab3718c3fc639bc149b8037caedfa",
"https://git.kernel.org/stable/c/930f0aaba4820d6362de4e6ed569eaf444f1ea4e",
"https://git.kernel.org/stable/c/b549acf999824d4f751ca57965700372f2f3ad00",
"https://git.kernel.org/stable/c/bb83f79f90e92f46466adcfd4fd264a7ae0f0f01",
"https://git.kernel.org/stable/c/f6fe7261b92b21109678747f36df9fdab1e30c34",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52809.json",
"https://nvd.nist.gov/vuln/detail/CVE-2023-52809",
"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/2023/52xxx/CVE-2023-52809.json"
}
},
"related_cves": [
{
"value": "CVE-2023-52809",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 507385,
"published_at": "2024-05-21T15:31:18.982+00:00"
}