CVE-2026-31443 (GCVE-0-2026-31443)
Vulnerability from cvelistv5 – Published: 2026-04-22 13:53 – Updated: 2026-04-22 13:53
VLAI?
Title
dmaengine: idxd: Fix crash when the event log is disabled
Summary
In the Linux kernel, the following vulnerability has been resolved:
dmaengine: idxd: Fix crash when the event log is disabled
If reporting errors to the event log is not supported by the hardware,
and an error that causes Function Level Reset (FLR) is received, the
driver will try to restore the event log even if it was not allocated.
Also, only try to free the event log if it was properly allocated.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Affected:
6078a315aec15e0776fa90347cf4eba7478cdbd7 , < aa0ffc6d3990ec35976308a068dc23178037e564
(git)
Affected: 6078a315aec15e0776fa90347cf4eba7478cdbd7 , < 0e761079d653c25f838380cf7cef2730832110cc (git) Affected: 6078a315aec15e0776fa90347cf4eba7478cdbd7 , < 52d2edea0d63c935e82631e4b9e4a94eccf97b5b (git) |
||
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/dma/idxd/device.c",
"drivers/dma/idxd/init.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "aa0ffc6d3990ec35976308a068dc23178037e564",
"status": "affected",
"version": "6078a315aec15e0776fa90347cf4eba7478cdbd7",
"versionType": "git"
},
{
"lessThan": "0e761079d653c25f838380cf7cef2730832110cc",
"status": "affected",
"version": "6078a315aec15e0776fa90347cf4eba7478cdbd7",
"versionType": "git"
},
{
"lessThan": "52d2edea0d63c935e82631e4b9e4a94eccf97b5b",
"status": "affected",
"version": "6078a315aec15e0776fa90347cf4eba7478cdbd7",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"drivers/dma/idxd/device.c",
"drivers/dma/idxd/init.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "6.14"
},
{
"lessThan": "6.14",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"version": "6.18.21",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.19.*",
"status": "unaffected",
"version": "6.19.11",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "7.0",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.18.21",
"versionStartIncluding": "6.14",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.19.11",
"versionStartIncluding": "6.14",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "7.0",
"versionStartIncluding": "6.14",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndmaengine: idxd: Fix crash when the event log is disabled\n\nIf reporting errors to the event log is not supported by the hardware,\nand an error that causes Function Level Reset (FLR) is received, the\ndriver will try to restore the event log even if it was not allocated.\n\nAlso, only try to free the event log if it was properly allocated."
}
],
"providerMetadata": {
"dateUpdated": "2026-04-22T13:53:40.616Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/aa0ffc6d3990ec35976308a068dc23178037e564"
},
{
"url": "https://git.kernel.org/stable/c/0e761079d653c25f838380cf7cef2730832110cc"
},
{
"url": "https://git.kernel.org/stable/c/52d2edea0d63c935e82631e4b9e4a94eccf97b5b"
}
],
"title": "dmaengine: idxd: Fix crash when the event log is disabled",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2026-31443",
"datePublished": "2026-04-22T13:53:40.616Z",
"dateReserved": "2026-03-09T15:48:24.090Z",
"dateUpdated": "2026-04-22T13:53:40.616Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2026-31443",
"date": "2026-04-23",
"epss": "0.00017",
"percentile": "0.04046"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2026-31443\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2026-04-22T14:16:37.860\",\"lastModified\":\"2026-04-23T16:17:41.280\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ndmaengine: idxd: Fix crash when the event log is disabled\\n\\nIf reporting errors to the event log is not supported by the hardware,\\nand an error that causes Function Level Reset (FLR) is received, the\\ndriver will try to restore the event log even if it was not allocated.\\n\\nAlso, only try to free the event log if it was properly allocated.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/0e761079d653c25f838380cf7cef2730832110cc\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/52d2edea0d63c935e82631e4b9e4a94eccf97b5b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/aa0ffc6d3990ec35976308a068dc23178037e564\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
}
}
Loading…
Loading…
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.
Loading…
Loading…