accel/ethosu: check MMIO mapping errors in probe
In the Linux kernel, the following vulnerability has been resolved: accel/ethosu: check MMIO mapping errors in probe devm_platform_ioremap_resource() returns an error pointer when the register resource cannot be mapped. ethosu_probe() stores it and continues until initialization dereferences it through MMIO accessors. Return the mapping error before initializing the device.
CVE-2026-89977
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-2026-89977
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": "5a5e9c0228e613f0ef2a58b9782d7c0ea8f1e58b",
"lessThan": "f7aad73b481194e3f0efba9688e9a5914bbd036b",
"versionType": "git"
},
{
"status": "affected",
"version": "5a5e9c0228e613f0ef2a58b9782d7c0ea8f1e58b",
"lessThan": "7ab64476a610fe65858fdc37c7a30caa13e334ac",
"versionType": "git"
}
],
"programFiles": [
"drivers/accel/ethosu/ethosu_drv.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "6.19"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "6.19",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "7.2.5",
"versionType": "semver",
"lessThanOrEqual": "7.2.*"
},
{
"status": "unaffected",
"version": "7.3",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"drivers/accel/ethosu/ethosu_drv.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-89977
Source reference:
/cveMetadata/cveId
Publisher severity
No explicit severity was provided.
- Event
- #36414 · Revision 1
- Added to Heist Feed
- Publisher date