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7.8 High

CVE-2026-31389 In the Linux kernel, the following vulnerability has been resolved: spi: fix use-after-free on controller registration…

Description

In the Linux kernel, the following vulnerability has been resolved: spi: fix use-after-free on controller registration failure Make sure to deregister from driver core also in the unlikely event that per-cpu statistics allocation fails during controller registration to avoid use-after-free (of driver resources) and unclocked register accesses.

Affected products and versions

Product Affected versions Fixed in
Linux 7.0 earliest → < 7.0 7.0
Linux 6.19 earliest → < 6.19.10 6.19.10
Linux 6.18 earliest → < 6.18.20 6.18.20
Linux 6.12 earliest → < 6.12.78 6.12.78
Linux 6.6 earliest → < 6.6.130 6.6.130
Linux 6.1 earliest → < 6.1.167 6.1.167
Linux 6.0 No fix stated
SIMATIC S7-1500 CPU 1518-4 PN/DP MFP 3.1 3.1.7 → latest No fix stated
SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP 3.1 3.1.7 → latest No fix stated
Show the other branch
Product Affected versions Fixed in
SIPLUS S7-1500 CPU 1518-4 PN/DP MFP 3.1 3.1.7 → latest No fix stated

References

Timeline

  1. Published
  2. Last modified

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