iio: adc: ti-adc161s626: use DMA-safe memory for spi_read()
Summary
| CVE | CVE-2026-31768 |
|---|---|
| State | PUBLISHED |
| Assigner | Linux |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-05-01 15:16:39 UTC |
| Updated | 2026-05-03 07:16:20 UTC |
| Description | In the Linux kernel, the following vulnerability has been resolved: iio: adc: ti-adc161s626: use DMA-safe memory for spi_read() Add a DMA-safe buffer and use it for spi_read() instead of a stack memory. All SPI buffers must be DMA-safe. Since we only need up to 3 bytes, we just use a u8[] instead of __be16 and __be32 and change the conversion functions appropriately. |
Risk And Classification
Primary CVSS: v3.1 7.8 HIGH from 416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.000240000 probability, percentile 0.068220000 (date 2026-05-02)
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | Secondary | 7.8 | HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| 3.1 | CNA | DECLARED | 7.8 | HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
CVSS v3.1 Breakdown
Attack Vector
LocalAttack Complexity
LowPrivileges Required
LowUser Interaction
NoneScope
UnchangedConfidentiality
HighIntegrity
HighAvailability
HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Linux | Linux | affected 4d671b71beefbfc145b971a11e0c3cabde94b673 b3bb8faeca1a2ef7be95ee8a512b639f9ffce947 git | Not specified |
| CNA | Linux | Linux | affected 4d671b71beefbfc145b971a11e0c3cabde94b673 fa64aab25aba47296aa8d12bb4c88ec3fecb2054 git | Not specified |
| CNA | Linux | Linux | affected 4d671b71beefbfc145b971a11e0c3cabde94b673 67b3a91bdc48220bfb67155ab528121b9c822782 git | Not specified |
| CNA | Linux | Linux | affected 4d671b71beefbfc145b971a11e0c3cabde94b673 014c6d27878d3883f7bb065610768fd021de1a96 git | Not specified |
| CNA | Linux | Linux | affected 4d671b71beefbfc145b971a11e0c3cabde94b673 d2d031b0786ea66ab0577c9d2d71435068d32199 git | Not specified |
| CNA | Linux | Linux | affected 4d671b71beefbfc145b971a11e0c3cabde94b673 768461517a28d80fe81ea4d5d03a90cd184ea6ad git | Not specified |
| CNA | Linux | Linux | affected 4.9 | Not specified |
| CNA | Linux | Linux | unaffected 4.9 semver | Not specified |
| CNA | Linux | Linux | unaffected 6.1.168 6.1.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.6.134 6.6.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.12.81 6.12.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.18.22 6.18.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.19.12 6.19.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.0 * original_commit_for_fix | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| git.kernel.org/stable/c/014c6d27878d3883f7bb065610768fd021de1a96 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/768461517a28d80fe81ea4d5d03a90cd184ea6ad | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/b3bb8faeca1a2ef7be95ee8a512b639f9ffce947 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/d2d031b0786ea66ab0577c9d2d71435068d32199 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/67b3a91bdc48220bfb67155ab528121b9c822782 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/fa64aab25aba47296aa8d12bb4c88ec3fecb2054 | 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.