Answer in brief
CVE-2026-98931 records a Unknown severity vulnerability in mtd: spinand: fix NULL pointer dereference with no ECC engine. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=f9d7c7265bcff7d9a17425a8cddf702e8fe159c2 <77c449c9c946fc420008dc55cd30f53749c915e4 || >=f9d7c7265bcff7d9a17425a8cddf702e8fe159c2 <3c765fd5212c1bbc71568b1518a7ec963a7040b4 || >=f9d7c7265bcff7d9a17425a8cddf702e8fe159c2 <80e8b0ea73ba295e92dfb6cf1c41df9da64234c6 || >=f9d7c7265bcff7d9a17425a8cddf702e8fe159c2 <fc2f651f520394893b14b75281a01e502bfa73bb || >=f9d7c7265bcff7d9a17425a8cddf702e8fe159c2 <b890e6163761ddb580cc74f43e15f8bbde15647e | 77c449c9c946fc420008dc55cd30f53749c915e4, 3c765fd5212c1bbc71568b1518a7ec963a7040b4, 80e8b0ea73ba295e92dfb6cf1c41df9da64234c6, fc2f651f520394893b14b75281a01e502bfa73bb, b890e6163761ddb580cc74f43e15f8bbde15647e |
| Linux/Linuxgeneric | 5.18 | Not reported |
Published upstream
Oct 23, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 23, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Oct 23, 2026
In the Linux kernel, the following vulnerability has been resolved: mtd: spinand: fix NULL pointer dereference with no ECC engine When "nand-no-ecc-engine" is set in DT, nanddev_get_ecc_engine() takes the NAND_ECC_ENGINE_TYPE_NONE path and returns success while leaving nand->ecc.engine NULL. The SPI-NAND code nevertheless dereferences it unconditionally to test for a pipelined engine, so probing such a device oopses immediately. Rather than open-coding the test three times, add a nand_ecc_is_pipelined() helper to the NAND core that folds the NULL check into the integration comparison, and use it everywhere. Future callers then cannot reintroduce the problem.
Quoted source text, attributed separately from HOL analysis.