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vuln-cve/data/2026/23xxx/CVE-2026-23339.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-23339",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2026-01-13T15:37:45.997Z",
"datePublished": "2026-03-25T10:27:28.073Z",
"dateUpdated": "2026-10-15T01:14:10.367Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-05-11T22:04:55.743Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnfc: nci: free skb on nci_transceive early error paths\n\nnci_transceive() takes ownership of the skb passed by the caller,\nbut the -EPROTO, -EINVAL, and -EBUSY error paths return without\nfreeing it.\n\nDue to issues clearing NCI_DATA_EXCHANGE fixed by subsequent changes\nthe nci/nci_dev selftest hits the error path occasionally in NIPA,\nand kmemleak detects leaks:\n\nunreferenced object 0xff11000015ce6a40 (size 640):\n comm \"nci_dev\", pid 3954, jiffies 4295441246\n hex dump (first 32 bytes):\n 6b 6b 6b 6b 00 a4 00 0c 02 e1 03 6b 6b 6b 6b 6b kkkk.......kkkkk\n 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk\n backtrace (crc 7c40cc2a):\n kmem_cache_alloc_node_noprof+0x492/0x630\n __alloc_skb+0x11e/0x5f0\n alloc_skb_with_frags+0xc6/0x8f0\n sock_alloc_send_pskb+0x326/0x3f0\n nfc_alloc_send_skb+0x94/0x1d0\n rawsock_sendmsg+0x162/0x4c0\n do_syscall_64+0x117/0xfc0"
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"net/nfc/nci/core.c"
],
"versions": [
{
"version": "6a2968aaf50c7a22fced77a5e24aa636281efca8",
"lessThan": "b367cb44d919f35b07cd56feffa15e68cd9f53f9",
"status": "affected",
"versionType": "git"
},
{
"version": "6a2968aaf50c7a22fced77a5e24aa636281efca8",
"lessThan": "6d898f943766440cf766d30364e715111c3563b5",
"status": "affected",
"versionType": "git"
},
{
"version": "6a2968aaf50c7a22fced77a5e24aa636281efca8",
"lessThan": "33f6b8a96dda045789796c3bcb451c74ac158039",
"status": "affected",
"versionType": "git"
},
{
"version": "6a2968aaf50c7a22fced77a5e24aa636281efca8",
"lessThan": "dcbcccfc5195c9caaa4bb8d31f23c345f00a9e89",
"status": "affected",
"versionType": "git"
},
{
"version": "6a2968aaf50c7a22fced77a5e24aa636281efca8",
"lessThan": "3245801d44a44c090acefe19a12d22d12cac45c5",
"status": "affected",
"versionType": "git"
},
{
"version": "6a2968aaf50c7a22fced77a5e24aa636281efca8",
"lessThan": "9d448bbab724b94d6c561e1f314656f5b88a7cb3",
"status": "affected",
"versionType": "git"
},
{
"version": "6a2968aaf50c7a22fced77a5e24aa636281efca8",
"lessThan": "54f7f0eaafa56b5994cdb5c7967946922c2e1d22",
"status": "affected",
"versionType": "git"
},
{
"version": "6a2968aaf50c7a22fced77a5e24aa636281efca8",
"lessThan": "7bd4b0c4779f978a6528c9b7937d2ca18e936e2c",
"status": "affected",
"versionType": "git"
}
]
},
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "affected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"net/nfc/nci/core.c"
],
"versions": [
{
"version": "3.2",
"status": "affected"
},
{
"version": "0",
"lessThan": "3.2",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.10.253",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.15.203",
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.1.167",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.6.130",
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.12.77",
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.18.17",
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.19.7",
"lessThanOrEqual": "6.19.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "7.0",
"lessThanOrEqual": "*",
"status": "unaffected",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "3.2",
"versionEndExcluding": "5.10.253"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "3.2",
"versionEndExcluding": "5.15.203"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "3.2",
"versionEndExcluding": "6.1.167"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "3.2",
"versionEndExcluding": "6.6.130"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "3.2",
"versionEndExcluding": "6.12.77"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "3.2",
"versionEndExcluding": "6.18.17"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "3.2",
"versionEndExcluding": "6.19.7"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "3.2",
"versionEndExcluding": "7.0"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/b367cb44d919f35b07cd56feffa15e68cd9f53f9"
},
{
"url": "https://git.kernel.org/stable/c/6d898f943766440cf766d30364e715111c3563b5"
},
{
"url": "https://git.kernel.org/stable/c/33f6b8a96dda045789796c3bcb451c74ac158039"
},
{
"url": "https://git.kernel.org/stable/c/dcbcccfc5195c9caaa4bb8d31f23c345f00a9e89"
},
{
"url": "https://git.kernel.org/stable/c/3245801d44a44c090acefe19a12d22d12cac45c5"
},
{
"url": "https://git.kernel.org/stable/c/9d448bbab724b94d6c561e1f314656f5b88a7cb3"
},
{
"url": "https://git.kernel.org/stable/c/54f7f0eaafa56b5994cdb5c7967946922c2e1d22"
},
{
"url": "https://git.kernel.org/stable/c/7bd4b0c4779f978a6528c9b7937d2ca18e936e2c"
}
],
"title": "nfc: nci: free skb on nci_transceive early error paths",
"x_generator": {
"engine": "bippy-1.2.0"
}
},
"adp": [
{
"x_adpType": "supplier",
"providerMetadata": {
"orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
"shortName": "siemens-SADP",
"dateUpdated": "2026-10-15T01:14:10.367Z"
},
"affected": [
{
"vendor": "Siemens",
"product": "SIMATIC S7-1500 TM MFP - GNU/Linux subsystem",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "*",
"versionType": "custom"
}
],
"defaultStatus": "unknown"
}
],
"references": [
{
"url": "https://cert-portal.siemens.com/productcert/html/ssa-784472.html"
}
]
}
]
}
}