spi: fix use-after-free on controller registration failure
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.
CVE-2026-31389
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-31389
Linux
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Linux
Source reference: /containers/cna/affected/1/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "6598b91b5ac32bc756d7c3000a31f775d4ead1c4",
"lessThan": "0e23f50086da7d0b183dfeac26021acfcdee086b",
"versionType": "git"
},
{
"status": "affected",
"version": "6598b91b5ac32bc756d7c3000a31f775d4ead1c4",
"lessThan": "6bbd385b30c7fb6c7ee0669e9ada91490938c051",
"versionType": "git"
},
{
"status": "affected",
"version": "6598b91b5ac32bc756d7c3000a31f775d4ead1c4",
"lessThan": "afe27c1f43aa57530011f419be6ddf71306565d2",
"versionType": "git"
},
{
"status": "affected",
"version": "6598b91b5ac32bc756d7c3000a31f775d4ead1c4",
"lessThan": "80f3e8cd2b4ad355b2ad2024cf423f6d183404f7",
"versionType": "git"
},
{
"status": "affected",
"version": "6598b91b5ac32bc756d7c3000a31f775d4ead1c4",
"lessThan": "23b51bad2eb8787aa74324cfccefb258515ae5ba",
"versionType": "git"
},
{
"status": "affected",
"version": "6598b91b5ac32bc756d7c3000a31f775d4ead1c4",
"lessThan": "8634e05b08ead636e926022f4a98416e13440df9",
"versionType": "git"
}
],
"programFiles": [
"drivers/spi/spi.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "6.0"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "6.0",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.1.167",
"versionType": "semver",
"lessThanOrEqual": "6.1.*"
},
{
"status": "unaffected",
"version": "6.6.130",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.12.78",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.18.20",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "6.19.10",
"versionType": "semver",
"lessThanOrEqual": "6.19.*"
},
{
"status": "unaffected",
"version": "7.0",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"drivers/spi/spi.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-31389
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #39863 · Revision 1
- Added to Heist Feed
- Publisher date