HarborGuard / CVE
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HIGHCVE-2026-31389Published Modified CNA Linux

CVE-2026-31389: spi: fix use-after-free on controller registration failure

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.

Metrics

CVSS v3.1
7.8
Severity
HIGH
Fixed in
0
Affected Products
2

Fix available

00e23f50086da7d0b183dfeac26021acfcdee086b23b51bad2eb8787aa74324cfccefb258515ae5ba6.1.1676.6.1306.12.786.18.206.19.106bbd385b30c7fb6c7ee0669e9ada91490938c0517.080f3e8cd2b4ad355b2ad2024cf423f6d183404f78634e05b08ead636e926022f4a98416e13440df9afe27c1f43aa57530011f419be6ddf71306565d2
Affected packages
  • Linux / Linux
    < 0e23f50086da7d0b183dfeac26021acfcdee086b (from 6598b91b5ac32bc756d7c3000a31f775d4ead1c4) · < 6bbd385b30c7fb6c7ee0669e9ada91490938c051 (from 6598b91b5ac32bc756d7c3000a31f775d4ead1c4) · < afe27c1f43aa57530011f419be6ddf71306565d2 (from 6598b91b5ac32bc756d7c3000a31f775d4ead1c4) · < 80f3e8cd2b4ad355b2ad2024cf423f6d183404f7 (from 6598b91b5ac32bc756d7c3000a31f775d4ead1c4) · < 23b51bad2eb8787aa74324cfccefb258515ae5ba (from 6598b91b5ac32bc756d7c3000a31f775d4ead1c4) · < 8634e05b08ead636e926022f4a98416e13440df9 (from 6598b91b5ac32bc756d7c3000a31f775d4ead1c4)
  • Linux / Linux
    6.0
    Fixed in 0, 6.1.167, 6.6.130, 6.12.78, 6.18.20, 6.19.10, 7.0
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References