High severity7.8NVD Advisory· Published Jul 27, 2026· Updated Sep 10, 2026
CVE-2026-17523
CVE-2026-17523
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
36- osv-coords35 versionspkg:rpm/almalinux/kernel-debug-develpkg:rpm/almalinux/kernel-zfcpdumppkg:rpm/almalinux/kernel-modulespkg:rpm/almalinux/kernel-docpkg:rpm/almalinux/kernel-cross-headerspkg:rpm/almalinux/kernel-zfcpdump-modulespkg:rpm/almalinux/kernel-debug-modulespkg:rpm/almalinux/kernel-tools-libspkg:rpm/almalinux/kernel-toolspkg:rpm/almalinux/kernel-debugpkg:rpm/almalinux/kernel-rtpkg:rpm/almalinux/kernel-rt-debug-develpkg:rpm/almalinux/kernel-rt-debug-modules-extrapkg:rpm/almalinux/bpftoolpkg:rpm/almalinux/kernelpkg:rpm/almalinux/kernel-abi-stablelistspkg:rpm/almalinux/kernel-corepkg:rpm/almalinux/kernel-debug-corepkg:rpm/almalinux/kernel-modules-extrapkg:rpm/almalinux/kernel-tools-libs-develpkg:rpm/almalinux/kernel-zfcpdump-modules-extrapkg:rpm/almalinux/perfpkg:rpm/almalinux/python3-perfpkg:rpm/almalinux/kernel-rt-modules-extrapkg:rpm/almalinux/kernel-develpkg:rpm/almalinux/kernel-rt-debug-modulespkg:rpm/almalinux/kernel-rt-corepkg:rpm/almalinux/kernel-rt-debugpkg:rpm/almalinux/kernel-rt-debug-corepkg:rpm/almalinux/kernel-rt-modulespkg:rpm/almalinux/kernel-debug-modules-extrapkg:rpm/almalinux/kernel-headerspkg:rpm/almalinux/kernel-zfcpdump-corepkg:rpm/almalinux/kernel-zfcpdump-develpkg:rpm/almalinux/kernel-rt-devel
< 4.18.0-553.156.1.el8_10+ 34 more
- (no CPE)range: < 4.18.0-553.156.1.el8_10
- (no CPE)range: < 4.18.0-553.156.1.el8_10
- (no CPE)range: < 4.18.0-553.156.1.el8_10
- (no CPE)range: < 4.18.0-553.156.1.el8_10
- (no CPE)range: < 4.18.0-553.156.1.el8_10
- (no CPE)range: < 4.18.0-553.156.1.el8_10
- (no CPE)range: < 4.18.0-553.156.1.el8_10
- (no CPE)range: < 4.18.0-553.156.1.el8_10
- (no CPE)range: < 4.18.0-553.156.1.el8_10
- (no CPE)range: < 4.18.0-553.156.1.el8_10
- (no CPE)range: < 4.18.0-553.156.1.rt7.497.el8_10
- (no CPE)range: < 4.18.0-553.156.1.rt7.497.el8_10
- (no CPE)range: < 4.18.0-553.156.1.rt7.497.el8_10
- (no CPE)range: < 4.18.0-553.156.1.el8_10
- (no CPE)range: < 4.18.0-553.156.1.el8_10
- (no CPE)range: < 4.18.0-553.156.1.el8_10
- (no CPE)range: < 4.18.0-553.156.1.el8_10
- (no CPE)range: < 4.18.0-553.156.1.el8_10
- (no CPE)range: < 4.18.0-553.156.1.el8_10
- (no CPE)range: < 4.18.0-553.156.1.el8_10
- (no CPE)range: < 4.18.0-553.156.1.el8_10
- (no CPE)range: < 4.18.0-553.156.1.el8_10
- (no CPE)range: < 4.18.0-553.156.1.el8_10
- (no CPE)range: < 4.18.0-553.156.1.rt7.497.el8_10
- (no CPE)range: < 4.18.0-553.156.1.el8_10
- (no CPE)range: < 4.18.0-553.156.1.rt7.497.el8_10
- (no CPE)range: < 4.18.0-553.156.1.rt7.497.el8_10
- (no CPE)range: < 4.18.0-553.156.1.rt7.497.el8_10
- (no CPE)range: < 4.18.0-553.156.1.rt7.497.el8_10
- (no CPE)range: < 4.18.0-553.156.1.rt7.497.el8_10
- (no CPE)range: < 4.18.0-553.156.1.el8_10
- (no CPE)range: < 4.18.0-553.156.1.el8_10
- (no CPE)range: < 4.18.0-553.156.1.el8_10
- (no CPE)range: < 4.18.0-553.156.1.el8_10
- (no CPE)range: < 4.18.0-553.156.1.rt7.497.el8_10
Patches
Vulnerability mechanics
References
2News mentions
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