CVE-2026-72114
In the Linux kernel, the following vulnerability has been resolved: can: bcm: validate frame length in bcm_rx_setup() for RTR replies bcm_tx_setup() validates cf->len against the CAN/CAN FD DLC limits before installing frames for TX_SETUP, but bcm_rx_setup() never did the same for the RTR-reply frame configured via RX_SETUP with RX_RTR_FRAME.
Affected versions
Linux kernel versions
2.6.25
and later are affected. Fixed in
6.6.148,
6.12.101,
6.18.42,
7.1.5,
7.2-rc4
and their respective stable series.
References
5 totalFrequently asked questions
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What is CVE-2026-72114?
CVE-2026-72114 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 2.6.25 onward and has been patched in 6.6.148, 6.12.101, 6.18.42 and others. CVE-2026-72114 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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Is there a patch available for CVE-2026-72114?
Yes. CVE-2026-72114 has been patched. Fixed versions include 6.6.148, 6.12.101, 6.18.42 and others. If you are running Linux kernel 2.6.25 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2026-72114 actively exploited?
No. CVE-2026-72114 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.