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CVE-2026-17523 affects the Linux kernel Controller Area Network Broadcast Manager (CAN BCM) subsystem and can permit arbitrary code execution in kernel context, leading to privilege escalation. The fix changes timer handling to HRTIMER_MODE_SOFT so that the timer callback executes in softirq context, and removes hrtimer_tasklet. The precise underlying defect and triggering sequence are not specified.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
16 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A vulnerability in the Linux kernel CAN BCM component that permits arbitrary kernel code execution leading to privilege escalation. It affects Red Hat Enterprise Linux 8 kernel packages and is addressed by RHSA-2026:61932.
A Linux kernel CAN BCM vulnerability that permits arbitrary kernel code execution and could lead to privilege escalation.
Linux kernel CAN BCM vulnerability that enables arbitrary kernel code execution and privilege escalation.
A Linux kernel CAN BCM vulnerability that can permit arbitrary kernel code execution and privilege escalation.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.