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CVE-2024-50176: remoteproc: k3-r5: Fix error handling when power-up failed

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-11-08 · updated 2026-06-17
• Weakness: CWE-755

Description

In the Linux kernel, the following vulnerability has been resolved: remoteproc: k3-r5: Fix error handling when power-up failed By simply bailing out, the driver was violating its rule and internal assumptions that either both or no rproc should be initialized. E.g., this could cause the first core to be available but not the second one, leading to crashes on its shutdown later on while trying to dereference that second instance.

Affected products

• Linux kernel: from 6.1.95 before 6.1.113; from 6.6.35 before 6.6.55; from 6.9.6 before 6.10; from 6.10 before 6.10.14; from 6.11 before 6.11.3 — fixed in 6.1.113, 6.10, 6.10.14, 6.11.3, 6.6.55

How to fix

Upgrade to a fixed version: Linux kernel 6.1.113, 6.10, 6.10.14, 6.11.3. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/7afb5e3aa989c479979faeb18768a67889a7a9c6
• https://git.kernel.org/stable/c/87ab3af7447791d0c619610fd560bd804549e187
• https://git.kernel.org/stable/c/9ab27eb5866ccbf57715cfdba4b03d57776092fb
• https://git.kernel.org/stable/c/afd102bde99d90ef41e043c846ea34b04433eb7b
• https://git.kernel.org/stable/c/fc71c23958931713b5e76f317b76be37189f2516
• https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html

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