CVE-2026-98834 (GCVE-0-2026-98834)
Vulnerability from cvelistv5
Published
2026-10-18 15:49
Modified
2026-10-19 09:26
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
mtd: core: avoid double-free of OTP NVMEM device
If factory OTP setup fails after the user OTP NVMEM device has been
registered, mtd_otp_nvmem_add() unregisters the user device but leaves
mtd->otp_user_nvmem set. On an error, the caller unregisters it again.
For -EOPNOTSUPP, registration continues and normal teardown unregisters
it again.
Clear mtd->otp_user_nvmem after unregistering it.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: e0489f6e221f5ddee6cb3bd51b992b790c5fa4b9 Version: e0489f6e221f5ddee6cb3bd51b992b790c5fa4b9 Version: 6d1af517817a760d7af3dee0fc4603645485495c Version: f1b4affca1e13706ca2eb075bf6775421236d7d1 Version: 949476b8601bde5459048eebdf457c9db20addd8 Version: dd6c85f98ff33b009b819090268cbf679dc208b9 Version: 5.15.111 ≤ Version: 6.1.28 ≤ Version: 6.2.15 ≤ Version: 6.3.2 ≤ |
||
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/mtd/mtdcore.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
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"status": "affected",
"version": "e0489f6e221f5ddee6cb3bd51b992b790c5fa4b9",
"versionType": "git"
},
{
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{
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{
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{
"status": "affected",
"version": "949476b8601bde5459048eebdf457c9db20addd8",
"versionType": "git"
},
{
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"version": "dd6c85f98ff33b009b819090268cbf679dc208b9",
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},
{
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"version": "5.15.111",
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},
{
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"status": "affected",
"version": "6.1.28",
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{
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"status": "affected",
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"versionType": "semver"
},
{
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"status": "affected",
"version": "6.3.2",
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}
]
},
{
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],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
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"version": "6.4"
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},
{
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},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "7.3",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "7.2.10",
"versionStartIncluding": "6.4",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "7.3",
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{
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"vulnerable": true
},
{
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"versionStartIncluding": "6.1.28",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.2.15",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.3.2",
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}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmtd: core: avoid double-free of OTP NVMEM device\n\nIf factory OTP setup fails after the user OTP NVMEM device has been\nregistered, mtd_otp_nvmem_add() unregisters the user device but leaves\nmtd-\u003eotp_user_nvmem set. On an error, the caller unregisters it again.\nFor -EOPNOTSUPP, registration continues and normal teardown unregisters\nit again.\n\nClear mtd-\u003eotp_user_nvmem after unregistering it."
}
],
"providerMetadata": {
"dateUpdated": "2026-10-19T09:26:26.676Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/cecf007418b93a2cbc94269e07fe2fb28f54d8fb"
},
{
"url": "https://git.kernel.org/stable/c/26300879cd8e4612dce66bb8f6ff7cd35fcf3e59"
}
],
"title": "mtd: core: avoid double-free of OTP NVMEM device",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2026-98834",
"datePublished": "2026-10-18T15:49:46.003Z",
"dateReserved": "2026-09-25T10:25:14.372Z",
"dateUpdated": "2026-10-19T09:26:26.676Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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