CVE-2026-31389 (GCVE-0-2026-31389)
Vulnerability from cvelistv5 – Published: 2026-04-03 15:15 – Updated: 2026-04-03 15:15
VLAI?
Title
spi: fix use-after-free on controller registration failure
Summary
In the Linux kernel, the following vulnerability has been resolved:
spi: fix use-after-free on controller registration failure
Make sure to deregister from driver core also in the unlikely event that
per-cpu statistics allocation fails during controller registration to
avoid use-after-free (of driver resources) and unclocked register
accesses.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Linux | Linux |
Affected:
6598b91b5ac32bc756d7c3000a31f775d4ead1c4 , < 0e23f50086da7d0b183dfeac26021acfcdee086b
(git)
Affected: 6598b91b5ac32bc756d7c3000a31f775d4ead1c4 , < 6bbd385b30c7fb6c7ee0669e9ada91490938c051 (git) Affected: 6598b91b5ac32bc756d7c3000a31f775d4ead1c4 , < afe27c1f43aa57530011f419be6ddf71306565d2 (git) Affected: 6598b91b5ac32bc756d7c3000a31f775d4ead1c4 , < 80f3e8cd2b4ad355b2ad2024cf423f6d183404f7 (git) Affected: 6598b91b5ac32bc756d7c3000a31f775d4ead1c4 , < 23b51bad2eb8787aa74324cfccefb258515ae5ba (git) Affected: 6598b91b5ac32bc756d7c3000a31f775d4ead1c4 , < 8634e05b08ead636e926022f4a98416e13440df9 (git) |
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{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/spi/spi.c"
],
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"vendor": "Linux",
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{
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}
]
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{
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"programFiles": [
"drivers/spi/spi.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "6.0"
},
{
"lessThan": "6.0",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.167",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.130",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"version": "6.12.78",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"version": "6.18.20",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.19.*",
"status": "unaffected",
"version": "6.19.10",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "7.0-rc5",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.1.167",
"versionStartIncluding": "6.0",
"vulnerable": true
},
{
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},
{
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},
{
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{
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"versionEndExcluding": "6.19.10",
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},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "7.0-rc5",
"versionStartIncluding": "6.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nspi: fix use-after-free on controller registration failure\n\nMake sure to deregister from driver core also in the unlikely event that\nper-cpu statistics allocation fails during controller registration to\navoid use-after-free (of driver resources) and unclocked register\naccesses."
}
],
"providerMetadata": {
"dateUpdated": "2026-04-03T15:15:55.068Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/0e23f50086da7d0b183dfeac26021acfcdee086b"
},
{
"url": "https://git.kernel.org/stable/c/6bbd385b30c7fb6c7ee0669e9ada91490938c051"
},
{
"url": "https://git.kernel.org/stable/c/afe27c1f43aa57530011f419be6ddf71306565d2"
},
{
"url": "https://git.kernel.org/stable/c/80f3e8cd2b4ad355b2ad2024cf423f6d183404f7"
},
{
"url": "https://git.kernel.org/stable/c/23b51bad2eb8787aa74324cfccefb258515ae5ba"
},
{
"url": "https://git.kernel.org/stable/c/8634e05b08ead636e926022f4a98416e13440df9"
}
],
"title": "spi: fix use-after-free on controller registration failure",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2026-31389",
"datePublished": "2026-04-03T15:15:55.068Z",
"dateReserved": "2026-03-09T15:48:24.084Z",
"dateUpdated": "2026-04-03T15:15:55.068Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2026-31389\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2026-04-03T16:16:36.823\",\"lastModified\":\"2026-04-03T16:16:36.823\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nspi: fix use-after-free on controller registration failure\\n\\nMake sure to deregister from driver core also in the unlikely event that\\nper-cpu statistics allocation fails during controller registration to\\navoid use-after-free (of driver resources) and unclocked register\\naccesses.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/0e23f50086da7d0b183dfeac26021acfcdee086b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/23b51bad2eb8787aa74324cfccefb258515ae5ba\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/6bbd385b30c7fb6c7ee0669e9ada91490938c051\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/80f3e8cd2b4ad355b2ad2024cf423f6d183404f7\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/8634e05b08ead636e926022f4a98416e13440df9\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/afe27c1f43aa57530011f419be6ddf71306565d2\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
}
}
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Sightings
| Author | Source | Type | Date |
|---|
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.
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