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CVE-2026-72114

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

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 5.10.265, 5.15.216, 6.1.183, 6.6.148, 6.12.101, and 2 more
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: total

Summary

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: total

  3. Record last updated

Affected versions

  • Linux Linux

    From ffd980f976e7fd666c2e61bf8ab35107efd11828 · fixed in cc1f9569f1c1adf74fa69d6f716a31b58a2fc6ce; From ffd980f976e7fd666c2e61bf8ab35107efd11828 · fixed in 204f2b232717bc470ddb9e1da1d27dd9c6ef0caa; From ffd980f976e7fd666c2e61bf8ab35107efd11828 · fixed in e061624c0a86c3c26a2bf017e432fbc93ad68f3a; From ffd980f976e7fd666c2e61bf8ab35107efd11828 · fixed in 7d966cdee006911d3957e1a4e72cb93c39cd8c1e; From ffd980f976e7fd666c2e61bf8ab35107efd11828 · fixed in 1b475c0c72f44622a320a4386ce9e76f85e69bc7; From ffd980f976e7fd666c2e61bf8ab35107efd11828 · fixed in deb6a697cce3f021e731df543597f37a5e54caab; From ffd980f976e7fd666c2e61bf8ab35107efd11828 · fixed in 59bfddea64159594feb62ef11b7d7a33c8ee3783; From ffd980f976e7fd666c2e61bf8ab35107efd11828 · fixed in 62ec41f364648be79d54d94d0d240ee326948afd

  • Linux Linux

    2.6.25

  • KernelLinux

    From 2.6.25 · fixed in 5.10.265; From 5.11.0 · fixed in 5.15.216; From 5.16.0 · fixed in 6.1.183; From 6.2.0 · fixed in 6.6.148; From 6.7.0 · fixed in 6.12.101; From 6.13.0 · fixed in 6.18.42; From 6.19.0 · fixed in 7.1.5

References 8

git.kernel.org