{"id":"CVE-2026-17523","title":"In the Linux kernel, the following vulnerability has been resolved:\n\ncan: bcm: switch timer to HRTIMER_MODE_SOFT and remove hrtimer_tasklet\n\nThis patch switches the timer to HRTIMER_MODE_SOFT, which executed the\ntimer callback in softirq…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\ncan: bcm: switch timer to HRTIMER_MODE_SOFT and remove hrtimer_tasklet\n\nThis patch switches the timer to HRTIMER_MODE_SOFT, which executed the\ntimer callback in softirq…","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","vendor":"Linux","product":"Linux","affected":["Linux >= c53a6ee88b0a91bd012ef1b7988c0b93dae6f24d < 79305a826f872fe446c6fbf8450f515053ef6951","Linux >= c53a6ee88b0a91bd012ef1b7988c0b93dae6f24d < bf74aa86e111aa3b2fbb25db37e3a3fab71b5b68","Linux 2.6.29"],"published":"2026-07-27","updated":"2026-09-10","sourceUpdated":"2026-09-10T14:17:00.323","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-17523","references":[{"url":"https://git.kernel.org/stable/c/79305a826f872fe446c6fbf8450f515053ef6951","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/bf74aa86e111aa3b2fbb25db37e3a3fab71b5b68","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-07-27T13:44:24.567768Z"},"epss":0.00146,"epssPercentile":0.0425,"ingestedAt":"2026-09-09T08:04:11.992Z","slug":"CVE-2026-17523","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\ncan: bcm: switch timer to HRTIMER_MODE_SOFT and remove hrtimer_tasklet\n\nThis patch switches the timer to HRTIMER_MODE_SOFT, which executed the\ntimer callback in softirq context and removes the hrtimer_tasklet.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":36981,"id":"CVE-2026-17523","ts":1789022125840,"field":"cvss","old":null,"new":"7.8"},{"seq":36980,"id":"CVE-2026-17523","ts":1789022125840,"field":"severity","old":"none","new":"high"}]}