Answer in brief
CVE-2026-17523 records a High severity (CVSS 7.8) vulnerability in can: bcm: switch timer to HRTIMER_MODE_SOFT and remove hrtimer_tasklet. The current sources do not mark it as known exploited. The current feed maps 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.
CVSS is 7.8. 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). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <79305a826f872fe446c6fbf8450f515053ef6951 || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <bf74aa86e111aa3b2fbb25db37e3a3fab71b5b68 || >=0 <4.19.226 | 79305a826f872fe446c6fbf8450f515053ef6951, bf74aa86e111aa3b2fbb25db37e3a3fab71b5b68, 4.19.226 |
Published upstream
Jul 27, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Sep 9, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 5, 2026
In the Linux kernel, the following vulnerability has been resolved: can: bcm: switch timer to HRTIMER_MODE_SOFT and remove hrtimer_tasklet This patch switches the timer to HRTIMER_MODE_SOFT, which executed the timer callback in softirq context and removes the hrtimer_tasklet.
Quoted source text, attributed separately from HOL analysis.