LoongArch: Fix acpi_package_ids[] array overflow
In the Linux kernel, the following vulnerability has been resolved: LoongArch: Fix acpi_package_ids[] array overflow With LoongArch virt machine, a typical setting is one core per socket, there will max 256 sockets (packages) on one VM. With PPTT acpi table, array acpi_package_ids[] will be overflowed. Here change the array size of acpi_package_ids[] with the max value of MAX_PACKAGES and KVM_MAX_VCPUS.
CVE-2026-89904
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-2026-89904
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": "f18992be262d6515c94bf4bf6ce7598135076771",
"lessThan": "0195e04b1eec8fb00e2db9c5e55655a3f5e76f60",
"versionType": "git"
},
{
"status": "affected",
"version": "4427a33faabb4b81511b99dfee18ce0a38b5b5df",
"lessThan": "d3fd094c13c6d0b74f246461ca4cf427d539c8e8",
"versionType": "git"
},
{
"status": "affected",
"version": "4e8f58620f6717f72f3d88a2c8f25c0c656d0ba7",
"lessThan": "6311b8c471afa33c18adbe4eb16f862936b71ca3",
"versionType": "git"
},
{
"status": "affected",
"version": "4e8f58620f6717f72f3d88a2c8f25c0c656d0ba7",
"lessThan": "2a2367d46d7a4ee4122b7a86e57125542dbbe963",
"versionType": "git"
},
{
"status": "affected",
"version": "496bc868d9066e034787aa14b8ad6c23e77b51ef",
"versionType": "git"
},
{
"status": "affected",
"version": "6.12.101",
"lessThan": "6.12.110",
"versionType": "semver"
},
{
"status": "affected",
"version": "6.18.42",
"lessThan": "6.18.51",
"versionType": "semver"
},
{
"status": "affected",
"version": "7.1.6",
"lessThan": "7.2",
"versionType": "semver"
}
],
"programFiles": [
"arch/loongarch/kernel/acpi.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "7.2"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "7.2",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.12.110",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.18.51",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "7.2.5",
"versionType": "semver",
"lessThanOrEqual": "7.2.*"
},
{
"status": "unaffected",
"version": "7.3",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"arch/loongarch/kernel/acpi.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-89904
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #36353 · Revision 1
- Added to Heist Feed
- Publisher date