CVE-2025-68820 (GCVE-0-2025-68820)
Vulnerability from cvelistv5 – Published: 2026-01-13 15:29 – Updated: 2026-09-08 08:43
VLAI
EPSS
VEX
Title
ext4: xattr: fix null pointer deref in ext4_raw_inode()
Summary
In the Linux kernel, the following vulnerability has been resolved:
ext4: xattr: fix null pointer deref in ext4_raw_inode()
If ext4_get_inode_loc() fails (e.g. if it returns -EFSCORRUPTED),
iloc.bh will remain set to NULL. Since ext4_xattr_inode_dec_ref_all()
lacks error checking, this will lead to a null pointer dereference
in ext4_raw_inode(), called right after ext4_get_inode_loc().
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-16 16:55 UTC
Assigner
References
8 references
Impacted products
5 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
76c365fa7e2a8bb85f0190cdb4b8cdc99b2fdce3 , < b72a3476f0c97d02f63a6e9fff127348d55436f6
(git)
Affected: f737418b6de31c962c7192777ee4018906975383 , < 3d8d22e75f7edfa0b30ff27330fd6a1285d594c3 (git) Affected: cf9291a3449b04688b81e32621e88de8f4314b54 , < 190ad0f22ba49f1101182b80e3af50ca2ddfe72f (git) Affected: 362a90cecd36e8a5c415966d0b75b04a0270e4dd , < b5d942922182e82724b7152cb998f540132885ec (git) Affected: eb59cc31b6ea076021d14b04e7faab1636b87d0e , < 5b154e901fda2e98570b8f426a481f5740097dc2 (git) Affected: c8e008b60492cf6fd31ef127aea6d02fd3d314cd , < ce5f54c065a4a7cbb92787f4f140917112350142 (git) Affected: c8e008b60492cf6fd31ef127aea6d02fd3d314cd , < b97cb7d6a051aa6ebd57906df0e26e9e36c26d14 (git) Affected: 6aff941cb0f7d0c897c3698ad2e30672709135e3 (git) Affected: 3bc6317033f365ce578eb6039445fb66162722fd (git) Affected: 836e625b03a666cf93ff5be328c8cb30336db872 (git) Affected: 5.10.237 , < 5.10.248 (semver) Affected: 5.15.181 , < 5.15.198 (semver) Affected: 6.1.135 , < 6.1.160 (semver) Affected: 6.6.88 , < 6.6.120 (semver) Affected: 6.12.24 , < 6.12.64 (semver) Affected: 5.4.293 , < 5.5 (semver) Affected: 6.13.12 , < 6.14 (semver) Affected: 6.14.3 , < 6.15 (semver) |
guessed | |
| Linux | Linux |
Affected:
6.15
Unaffected: 0 , < 6.15 (semver) Unaffected: 5.10.248 , ≤ 5.10.* (semver) Unaffected: 5.15.198 , ≤ 5.15.* (semver) Unaffected: 6.1.160 , ≤ 6.1.* (semver) Unaffected: 6.6.120 , ≤ 6.6.* (semver) Unaffected: 6.12.64 , ≤ 6.12.* (semver) Unaffected: 6.18.3 , ≤ 6.18.* (semver) Unaffected: 6.19 , ≤ * (original_commit_for_fix) |
guessed | |
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.6 , < *
(custom)
|
guessed | |
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP |
Affected:
V3.1.6 , < *
(custom)
|
guessed | |
| Siemens | SIPLUS S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.6 , < *
(custom)
|
guessed |
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2025-68820",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-06-16T16:55:32.991979Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-06-16T16:55:53.419Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
},
{
"affected": [
{
"defaultStatus": "unknown",
"product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP",
"vendor": "Siemens",
"versions": [
{
"lessThan": "*",
"status": "affected",
"version": "V3.1.6",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP",
"vendor": "Siemens",
"versions": [
{
"lessThan": "*",
"status": "affected",
"version": "V3.1.6",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP",
"vendor": "Siemens",
"versions": [
{
"lessThan": "*",
"status": "affected",
"version": "V3.1.6",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP",
"vendor": "Siemens",
"versions": [
{
"lessThan": "*",
"status": "affected",
"version": "V3.1.6",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SIPLUS S7-1500 CPU 1518-4 PN/DP MFP",
"vendor": "Siemens",
"versions": [
{
"lessThan": "*",
"status": "affected",
"version": "V3.1.6",
"versionType": "custom"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-08T08:43:39.059Z",
"orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
"shortName": "siemens-SADP"
},
"references": [
{
"url": "https://cert-portal.siemens.com/productcert/html/ssa-019113.html"
}
],
"x_adpType": "supplier"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"fs/ext4/xattr.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "b72a3476f0c97d02f63a6e9fff127348d55436f6",
"status": "affected",
"version": "76c365fa7e2a8bb85f0190cdb4b8cdc99b2fdce3",
"versionType": "git"
},
{
"lessThan": "3d8d22e75f7edfa0b30ff27330fd6a1285d594c3",
"status": "affected",
"version": "f737418b6de31c962c7192777ee4018906975383",
"versionType": "git"
},
{
"lessThan": "190ad0f22ba49f1101182b80e3af50ca2ddfe72f",
"status": "affected",
"version": "cf9291a3449b04688b81e32621e88de8f4314b54",
"versionType": "git"
},
{
"lessThan": "b5d942922182e82724b7152cb998f540132885ec",
"status": "affected",
"version": "362a90cecd36e8a5c415966d0b75b04a0270e4dd",
"versionType": "git"
},
{
"lessThan": "5b154e901fda2e98570b8f426a481f5740097dc2",
"status": "affected",
"version": "eb59cc31b6ea076021d14b04e7faab1636b87d0e",
"versionType": "git"
},
{
"lessThan": "ce5f54c065a4a7cbb92787f4f140917112350142",
"status": "affected",
"version": "c8e008b60492cf6fd31ef127aea6d02fd3d314cd",
"versionType": "git"
},
{
"lessThan": "b97cb7d6a051aa6ebd57906df0e26e9e36c26d14",
"status": "affected",
"version": "c8e008b60492cf6fd31ef127aea6d02fd3d314cd",
"versionType": "git"
},
{
"status": "affected",
"version": "6aff941cb0f7d0c897c3698ad2e30672709135e3",
"versionType": "git"
},
{
"status": "affected",
"version": "3bc6317033f365ce578eb6039445fb66162722fd",
"versionType": "git"
},
{
"status": "affected",
"version": "836e625b03a666cf93ff5be328c8cb30336db872",
"versionType": "git"
},
{
"lessThan": "5.10.248",
"status": "affected",
"version": "5.10.237",
"versionType": "semver"
},
{
"lessThan": "5.15.198",
"status": "affected",
"version": "5.15.181",
"versionType": "semver"
},
{
"lessThan": "6.1.160",
"status": "affected",
"version": "6.1.135",
"versionType": "semver"
},
{
"lessThan": "6.6.120",
"status": "affected",
"version": "6.6.88",
"versionType": "semver"
},
{
"lessThan": "6.12.64",
"status": "affected",
"version": "6.12.24",
"versionType": "semver"
},
{
"lessThan": "5.5",
"status": "affected",
"version": "5.4.293",
"versionType": "semver"
},
{
"lessThan": "6.14",
"status": "affected",
"version": "6.13.12",
"versionType": "semver"
},
{
"lessThan": "6.15",
"status": "affected",
"version": "6.14.3",
"versionType": "semver"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"fs/ext4/xattr.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "6.15"
},
{
"lessThan": "6.15",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"version": "5.10.248",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"version": "5.15.198",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.160",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.120",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"version": "6.12.64",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"version": "6.18.3",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.19",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.10.248",
"versionStartIncluding": "5.10.237",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.15.198",
"versionStartIncluding": "5.15.181",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.1.160",
"versionStartIncluding": "6.1.135",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.6.120",
"versionStartIncluding": "6.6.88",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.12.64",
"versionStartIncluding": "6.12.24",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.18.3",
"versionStartIncluding": "6.15",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.19",
"versionStartIncluding": "6.15",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.4.293",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.13.12",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.14.3",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\next4: xattr: fix null pointer deref in ext4_raw_inode()\n\nIf ext4_get_inode_loc() fails (e.g. if it returns -EFSCORRUPTED),\niloc.bh will remain set to NULL. Since ext4_xattr_inode_dec_ref_all()\nlacks error checking, this will lead to a null pointer dereference\nin ext4_raw_inode(), called right after ext4_get_inode_loc().\n\nFound by Linux Verification Center (linuxtesting.org) with SVACE."
}
],
"providerMetadata": {
"dateUpdated": "2026-05-23T16:02:59.512Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/b72a3476f0c97d02f63a6e9fff127348d55436f6"
},
{
"url": "https://git.kernel.org/stable/c/3d8d22e75f7edfa0b30ff27330fd6a1285d594c3"
},
{
"url": "https://git.kernel.org/stable/c/190ad0f22ba49f1101182b80e3af50ca2ddfe72f"
},
{
"url": "https://git.kernel.org/stable/c/b5d942922182e82724b7152cb998f540132885ec"
},
{
"url": "https://git.kernel.org/stable/c/5b154e901fda2e98570b8f426a481f5740097dc2"
},
{
"url": "https://git.kernel.org/stable/c/ce5f54c065a4a7cbb92787f4f140917112350142"
},
{
"url": "https://git.kernel.org/stable/c/b97cb7d6a051aa6ebd57906df0e26e9e36c26d14"
}
],
"title": "ext4: xattr: fix null pointer deref in ext4_raw_inode()",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2025-68820",
"datePublished": "2026-01-13T15:29:23.351Z",
"dateReserved": "2025-12-24T10:30:51.048Z",
"dateUpdated": "2026-09-08T08:43:39.059Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2025-68820",
"date": "2026-09-16",
"epss": "0.00207",
"percentile": "0.11013"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2025-68820\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2026-01-13T16:16:04.327\",\"lastModified\":\"2026-07-14T13:18:01.283\",\"vulnStatus\":\"Deferred\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\next4: xattr: fix null pointer deref in ext4_raw_inode()\\n\\nIf ext4_get_inode_loc() fails (e.g. if it returns -EFSCORRUPTED),\\niloc.bh will remain set to NULL. Since ext4_xattr_inode_dec_ref_all()\\nlacks error checking, this will lead to a null pointer dereference\\nin ext4_raw_inode(), called right after ext4_get_inode_loc().\\n\\nFound by Linux Verification Center (linuxtesting.org) with SVACE.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\\n\\next4: xattr: corregir desreferencia de puntero nulo en ext4_raw_inode()\\n\\nSi ext4_get_inode_loc() falla (p. ej., si devuelve -EFSCORRUPTED), iloc.bh permanecer\u00e1 establecido en NULL. Dado que ext4_xattr_inode_dec_ref_all() carece de comprobaci\u00f3n de errores, esto conducir\u00e1 a una desreferencia de puntero nulo en ext4_raw_inode(), llamada justo despu\u00e9s de ext4_get_inode_loc().\\n\\nEncontrado por Linux Verification Center (linuxtesting.org) con SVACE.\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"fs/ext4/xattr.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"76c365fa7e2a8bb85f0190cdb4b8cdc99b2fdce3\",\"lessThan\":\"b72a3476f0c97d02f63a6e9fff127348d55436f6\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"f737418b6de31c962c7192777ee4018906975383\",\"lessThan\":\"3d8d22e75f7edfa0b30ff27330fd6a1285d594c3\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"cf9291a3449b04688b81e32621e88de8f4314b54\",\"lessThan\":\"190ad0f22ba49f1101182b80e3af50ca2ddfe72f\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"362a90cecd36e8a5c415966d0b75b04a0270e4dd\",\"lessThan\":\"b5d942922182e82724b7152cb998f540132885ec\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"eb59cc31b6ea076021d14b04e7faab1636b87d0e\",\"lessThan\":\"5b154e901fda2e98570b8f426a481f5740097dc2\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"c8e008b60492cf6fd31ef127aea6d02fd3d314cd\",\"lessThan\":\"ce5f54c065a4a7cbb92787f4f140917112350142\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"c8e008b60492cf6fd31ef127aea6d02fd3d314cd\",\"lessThan\":\"b97cb7d6a051aa6ebd57906df0e26e9e36c26d14\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"6aff941cb0f7d0c897c3698ad2e30672709135e3\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"3bc6317033f365ce578eb6039445fb66162722fd\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"836e625b03a666cf93ff5be328c8cb30336db872\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"5.10.237\",\"lessThan\":\"5.10.248\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"5.15.181\",\"lessThan\":\"5.15.198\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"6.1.135\",\"lessThan\":\"6.1.160\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"6.6.88\",\"lessThan\":\"6.6.120\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"6.12.24\",\"lessThan\":\"6.12.64\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"5.4.293\",\"lessThan\":\"5.5\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"6.13.12\",\"lessThan\":\"6.14\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"6.14.3\",\"lessThan\":\"6.15\",\"versionType\":\"semver\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"fs/ext4/xattr.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"6.15\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"6.15\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.10.248\",\"lessThanOrEqual\":\"5.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.15.198\",\"lessThanOrEqual\":\"5.15.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.1.160\",\"lessThanOrEqual\":\"6.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.6.120\",\"lessThanOrEqual\":\"6.6.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.12.64\",\"lessThanOrEqual\":\"6.12.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.18.3\",\"lessThanOrEqual\":\"6.18.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.19\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]},{\"source\":\"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e\",\"affectedData\":[{\"vendor\":\"Siemens\",\"product\":\"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP\",\"defaultStatus\":\"unknown\",\"versions\":[{\"version\":\"V3.1.6\",\"lessThan\":\"*\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"Siemens\",\"product\":\"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP\",\"defaultStatus\":\"unknown\",\"versions\":[{\"version\":\"V3.1.6\",\"lessThan\":\"*\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"Siemens\",\"product\":\"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP\",\"defaultStatus\":\"unknown\",\"versions\":[{\"version\":\"V3.1.6\",\"lessThan\":\"*\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"Siemens\",\"product\":\"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP\",\"defaultStatus\":\"unknown\",\"versions\":[{\"version\":\"V3.1.6\",\"lessThan\":\"*\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"Siemens\",\"product\":\"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP\",\"defaultStatus\":\"unknown\",\"versions\":[{\"version\":\"V3.1.6\",\"lessThan\":\"*\",\"versionType\":\"custom\",\"status\":\"affected\"}]}]}],\"metrics\":{\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2026-06-16T16:55:32.991979Z\",\"id\":\"CVE-2025-68820\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/190ad0f22ba49f1101182b80e3af50ca2ddfe72f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/3d8d22e75f7edfa0b30ff27330fd6a1285d594c3\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/5b154e901fda2e98570b8f426a481f5740097dc2\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/b5d942922182e82724b7152cb998f540132885ec\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/b72a3476f0c97d02f63a6e9fff127348d55436f6\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/b97cb7d6a051aa6ebd57906df0e26e9e36c26d14\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/ce5f54c065a4a7cbb92787f4f140917112350142\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://cert-portal.siemens.com/productcert/html/ssa-019113.html\",\"source\":\"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e\"}]}}",
"redhat_vex": {
"aggregate_severity": "Low",
"current_release_date": "2026-06-28T07:11:29+00:00",
"cve": "CVE-2025-68820",
"id": "CVE-2025-68820",
"initial_release_date": "2025-01-01T00:00:00+00:00",
"product_status:known_affected": "246",
"product_status:known_not_affected": "28",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: ext4: xattr: fix null pointer deref in ext4_raw_inode()",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-68820.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-09-11T01:48:44Z",
"cve": "CVE-2025-68820",
"id": "CVE-2025-68820",
"initial_release_date": "2026-01-18T00:24:13Z",
"product_status:first_fixed": "2",
"product_status:known_affected": "560",
"product_status:known_not_affected": "208",
"product_status:recommended": "289",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2025-68820",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2025-68820.json",
"version": "31"
},
"vulnrichment": {
"containers": "{\"adp\": [{\"affected\": [{\"vendor\": \"Siemens\", \"product\": \"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP\", \"versions\": [{\"status\": \"affected\", \"version\": \"V3.1.6\", \"lessThan\": \"*\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unknown\"}, {\"vendor\": \"Siemens\", \"product\": \"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP\", \"versions\": [{\"status\": \"affected\", \"version\": \"V3.1.6\", \"lessThan\": \"*\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unknown\"}, {\"vendor\": \"Siemens\", \"product\": \"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP\", \"versions\": [{\"status\": \"affected\", \"version\": \"V3.1.6\", \"lessThan\": \"*\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unknown\"}, {\"vendor\": \"Siemens\", \"product\": \"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP\", \"versions\": [{\"status\": \"affected\", \"version\": \"V3.1.6\", \"lessThan\": \"*\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unknown\"}, {\"vendor\": \"Siemens\", \"product\": \"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP\", \"versions\": [{\"status\": \"affected\", \"version\": \"V3.1.6\", \"lessThan\": \"*\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unknown\"}], \"x_adpType\": \"supplier\", \"references\": [{\"url\": \"https://cert-portal.siemens.com/productcert/html/ssa-019113.html\"}], \"providerMetadata\": {\"orgId\": \"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e\", \"shortName\": \"siemens-SADP\", \"dateUpdated\": \"2026-09-08T08:43:39.059Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2025-68820\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-06-16T16:55:32.991979Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-06-16T16:55:49.290Z\"}}], \"cna\": {\"title\": \"ext4: xattr: fix null pointer deref in ext4_raw_inode()\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"76c365fa7e2a8bb85f0190cdb4b8cdc99b2fdce3\", \"lessThan\": \"b72a3476f0c97d02f63a6e9fff127348d55436f6\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"f737418b6de31c962c7192777ee4018906975383\", \"lessThan\": \"3d8d22e75f7edfa0b30ff27330fd6a1285d594c3\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"cf9291a3449b04688b81e32621e88de8f4314b54\", \"lessThan\": \"190ad0f22ba49f1101182b80e3af50ca2ddfe72f\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"362a90cecd36e8a5c415966d0b75b04a0270e4dd\", \"lessThan\": \"b5d942922182e82724b7152cb998f540132885ec\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"eb59cc31b6ea076021d14b04e7faab1636b87d0e\", \"lessThan\": \"5b154e901fda2e98570b8f426a481f5740097dc2\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"c8e008b60492cf6fd31ef127aea6d02fd3d314cd\", \"lessThan\": \"ce5f54c065a4a7cbb92787f4f140917112350142\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"c8e008b60492cf6fd31ef127aea6d02fd3d314cd\", \"lessThan\": \"b97cb7d6a051aa6ebd57906df0e26e9e36c26d14\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"6aff941cb0f7d0c897c3698ad2e30672709135e3\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"3bc6317033f365ce578eb6039445fb66162722fd\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"836e625b03a666cf93ff5be328c8cb30336db872\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"5.10.237\", \"lessThan\": \"5.10.248\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"5.15.181\", \"lessThan\": \"5.15.198\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"6.1.135\", \"lessThan\": \"6.1.160\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"6.6.88\", \"lessThan\": \"6.6.120\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"6.12.24\", \"lessThan\": \"6.12.64\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"5.4.293\", \"lessThan\": \"5.5\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"6.13.12\", \"lessThan\": \"6.14\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"6.14.3\", \"lessThan\": \"6.15\", \"versionType\": \"semver\"}], \"programFiles\": [\"fs/ext4/xattr.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"6.15\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"6.15\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"5.10.248\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.198\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.1.160\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.120\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.12.64\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.12.*\"}, {\"status\": \"unaffected\", \"version\": \"6.18.3\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.18.*\"}, {\"status\": \"unaffected\", \"version\": \"6.19\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"fs/ext4/xattr.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/b72a3476f0c97d02f63a6e9fff127348d55436f6\"}, {\"url\": \"https://git.kernel.org/stable/c/3d8d22e75f7edfa0b30ff27330fd6a1285d594c3\"}, {\"url\": \"https://git.kernel.org/stable/c/190ad0f22ba49f1101182b80e3af50ca2ddfe72f\"}, {\"url\": \"https://git.kernel.org/stable/c/b5d942922182e82724b7152cb998f540132885ec\"}, {\"url\": \"https://git.kernel.org/stable/c/5b154e901fda2e98570b8f426a481f5740097dc2\"}, {\"url\": \"https://git.kernel.org/stable/c/ce5f54c065a4a7cbb92787f4f140917112350142\"}, {\"url\": \"https://git.kernel.org/stable/c/b97cb7d6a051aa6ebd57906df0e26e9e36c26d14\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\next4: xattr: fix null pointer deref in ext4_raw_inode()\\n\\nIf ext4_get_inode_loc() fails (e.g. if it returns -EFSCORRUPTED),\\niloc.bh will remain set to NULL. Since ext4_xattr_inode_dec_ref_all()\\nlacks error checking, this will lead to a null pointer dereference\\nin ext4_raw_inode(), called right after ext4_get_inode_loc().\\n\\nFound by Linux Verification Center (linuxtesting.org) with SVACE.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.248\", \"versionStartIncluding\": \"5.10.237\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.198\", \"versionStartIncluding\": \"5.15.181\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.160\", \"versionStartIncluding\": \"6.1.135\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.120\", \"versionStartIncluding\": \"6.6.88\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.12.64\", \"versionStartIncluding\": \"6.12.24\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.18.3\", \"versionStartIncluding\": \"6.15\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.19\", \"versionStartIncluding\": \"6.15\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionStartIncluding\": \"5.4.293\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionStartIncluding\": \"6.13.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionStartIncluding\": \"6.14.3\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-23T16:02:59.512Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2025-68820\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-09-08T08:43:39.059Z\", \"dateReserved\": \"2025-12-24T10:30:51.048Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2026-01-13T15:29:23.351Z\", \"assignerShortName\": \"Linux\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Loading…
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
Loading…