Red Hat Kernel Local Privilege Escalation CVE-2026-17523
CVE-2026-17523 Published on July 27, 2026
can: bcm: switch timer to HRTIMER_MODE_SOFT and remove hrtimer_tasklet
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.
Products Associated with CVE-2026-17523
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Affected Versions
Linux:- Version c53a6ee88b0a91bd012ef1b7988c0b93dae6f24d and below 79305a826f872fe446c6fbf8450f515053ef6951 is affected.
- Version c53a6ee88b0a91bd012ef1b7988c0b93dae6f24d and below bf74aa86e111aa3b2fbb25db37e3a3fab71b5b68 is affected.
- Version 2.6.29 is affected.
- Before 2.6.29 is unaffected.
- Version 4.19.226, <= 4.19.* is unaffected.
- Version 5.4, <= * is unaffected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.