firmware: arm_scmi: Validate SENSOR_UPDATE payload size
Summary
| CVE | CVE-2026-98893 |
| State | PUBLISHED |
| Assigner | Linux |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-10-23 12:18:23 UTC |
| Updated | 2026-10-23 12:18:23 UTC |
| Description | In the Linux kernel, the following vulnerability has been resolved:
firmware: arm_scmi: Validate SENSOR_UPDATE payload size
SENSOR_UPDATE carries one or more sensor readings after the fixed
notification header. The parser derives the expected reading count
from the sensor description, but it did not verify that the received
payload contains those entries before parsing them.
Reject truncated update notifications before reading the variable
array. |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|
| CNA |
Linux |
Linux |
affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 e543d60f966a5f5c92298720c2fd1810f85a6be3 git |
Not specified |
| CNA |
Linux |
Linux |
affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 87a72e75f7560ea45cd28870194eaa153dd19e75 git |
Not specified |
| CNA |
Linux |
Linux |
affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 1bbe431fc59704d012660647516f6f94ddd82564 git |
Not specified |
| CNA |
Linux |
Linux |
affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 c148ff2f5a168e0bc41d801efca6ee35a376cfcb git |
Not specified |
| CNA |
Linux |
Linux |
affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 767789a58ae0d65ec3028e5b5b4da82210355d00 git |
Not specified |
| CNA |
Linux |
Linux |
affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 32bc5496b48174dbca1f187f710955ee4d9527a1 git |
Not specified |
| CNA |
Linux |
Linux |
affected 5.15.222 semver |
Not specified |
| CNA |
Linux |
Linux |
affected 6.1.189 semver |
Not specified |
| CNA |
Linux |
Linux |
affected 6.6.158 semver |
Not specified |
| CNA |
Linux |
Linux |
affected 6.12.111 semver |
Not specified |
| CNA |
Linux |
Linux |
affected 6.18.53 semver |
Not specified |
| CNA |
Linux |
Linux |
unaffected 5.15.222 5.15.* semver |
Not specified |
| CNA |
Linux |
Linux |
unaffected 6.1.189 6.1.* semver |
Not specified |
| CNA |
Linux |
Linux |
unaffected 6.6.158 6.6.* semver |
Not specified |
| CNA |
Linux |
Linux |
unaffected 6.12.111 6.12.* semver |
Not specified |
| CNA |
Linux |
Linux |
unaffected 6.18.53 6.18.* semver |
Not specified |
| CNA |
Linux |
Linux |
unaffected 7.2 * original_commit_for_fix |
Not specified |
References
| Reference | Source | Link | Tags |
|---|
| git.kernel.org/stable/c/1bbe431fc59704d012660647516f6f94ddd82564 |
416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
git.kernel.org |
|
| git.kernel.org/stable/c/e543d60f966a5f5c92298720c2fd1810f85a6be3 |
416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
git.kernel.org |
|
| git.kernel.org/stable/c/32bc5496b48174dbca1f187f710955ee4d9527a1 |
416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
git.kernel.org |
|
| git.kernel.org/stable/c/767789a58ae0d65ec3028e5b5b4da82210355d00 |
416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
git.kernel.org |
|
| git.kernel.org/stable/c/c148ff2f5a168e0bc41d801efca6ee35a376cfcb |
416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
git.kernel.org |
|
| git.kernel.org/stable/c/87a72e75f7560ea45cd28870194eaa153dd19e75 |
416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
git.kernel.org |
|
| CVE Program record |
CVE.ORG |
www.cve.org |
canonical |
| NVD vulnerability detail |
NVD |
nvd.nist.gov |
canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.