CVE-2026-72114

HIGH 7.8

can: bcm: validate frame length in bcm_rx_setup() for RTR replies

CVSS Score

7.8

EPSS Score

0.2%

EPSS Percentile

6th

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.

Vendor	linux
Product	linux
Ecosystems	Linux Kernel
Industries	Technology
Published	Aug 15, 2026
Last Updated	Aug 19, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Linux / Linux

ffd980f976e7fd666c2e61bf8ab35107efd11828 < cc1f9569f1c1adf74fa69d6f716a31b58a2fc6ce ffd980f976e7fd666c2e61bf8ab35107efd11828 < 204f2b232717bc470ddb9e1da1d27dd9c6ef0caa ffd980f976e7fd666c2e61bf8ab35107efd11828 < e061624c0a86c3c26a2bf017e432fbc93ad68f3a ffd980f976e7fd666c2e61bf8ab35107efd11828 < 7d966cdee006911d3957e1a4e72cb93c39cd8c1e ffd980f976e7fd666c2e61bf8ab35107efd11828 < 1b475c0c72f44622a320a4386ce9e76f85e69bc7 ffd980f976e7fd666c2e61bf8ab35107efd11828 < deb6a697cce3f021e731df543597f37a5e54caab ffd980f976e7fd666c2e61bf8ab35107efd11828 < 59bfddea64159594feb62ef11b7d7a33c8ee3783 ffd980f976e7fd666c2e61bf8ab35107efd11828 < 62ec41f364648be79d54d94d0d240ee326948afd

Linux / Linux

2.6.25

References

NVD ↗ CVE.org ↗ EPSS Data ↗