sh: intc: Fix use-after-free bug in register_intc_controller()

Summary

In the Linux kernel, the following vulnerability has been resolved: sh: intc: Fix use-after-free bug in register_intc_controller() In the error handling for this function, d is freed without ever removing it from intc_list which would lead to a use after free. To fix this, let's only add it to the list after everything has succeeded.

Timeline

1. Dec 27, 2024, 1:49 PM UTCCVE published
2. Feb 11, 2025, 3:43 PM UTCCISA SSVC assessment

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

3. Oct 15, 2026, 12:58 AM UTCRecord last updated

Affected versions

• Linux Linux

  From 2dcec7a988a1895540460a0bf5603bab63d5a3ed · fixed in 3c7c806b3eafd94ae0f77305a174d63b69ec187c; From 2dcec7a988a1895540460a0bf5603bab63d5a3ed · fixed in d8de818df12d86a1a26a8efd7b4b3b9c6dc3c5cc; From 2dcec7a988a1895540460a0bf5603bab63d5a3ed · fixed in 971b4893457788e0e123ea552f0bb126a5300e61; From 2dcec7a988a1895540460a0bf5603bab63d5a3ed · fixed in c3f4f4547fb291982f5ef56c048277c4d5ccc4e4; From 2dcec7a988a1895540460a0bf5603bab63d5a3ed · fixed in c43df7dae28fb9fce96ef088250c1e3c3a77c527; From 2dcec7a988a1895540460a0bf5603bab63d5a3ed · fixed in b8b84dcdf3ab1d414304819f824b10efba64132c; From 2dcec7a988a1895540460a0bf5603bab63d5a3ed · fixed in 6ba6e19912570b2ad68298be0be1dc779014a303; From 2dcec7a988a1895540460a0bf5603bab63d5a3ed · fixed in 588bdec1ff8b81517dbae0ae51c9df52c0b952d3; From 2dcec7a988a1895540460a0bf5603bab63d5a3ed · fixed in 63e72e551942642c48456a4134975136cdcb9b3c

• Linux Linux

  2.6.30

• KernelLinux

  From 2.6.30 · fixed in 4.19.325; From 4.20.0 · fixed in 5.4.287; From 5.5.0 · fixed in 5.10.231; From 5.11.0 · fixed in 5.15.174; From 5.16.0 · fixed in 6.1.120; From 6.2.0 · fixed in 6.6.64; From 6.7.0 · fixed in 6.11.11; From 6.12.0 · fixed in 6.12.2

References 9