4.7

CVE-2026-23071

regmap: Fix race condition in hwspinlock irqsave routine

In the Linux kernel, the following vulnerability has been resolved:

regmap: Fix race condition in hwspinlock irqsave routine

Previously, the address of the shared member '&map->spinlock_flags' was
passed directly to 'hwspin_lock_timeout_irqsave'. This creates a race
condition where multiple contexts contending for the lock could overwrite
the shared flags variable, potentially corrupting the state for the
current lock owner.

Fix this by using a local stack variable 'flags' to store the IRQ state
temporarily.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 4.15 < 5.10.249
Linux ≫ Linux Kernel Version >= 5.11 < 5.15.199
Linux ≫ Linux Kernel Version >= 5.16 < 6.1.162
Linux ≫ Linux Kernel Version >= 6.2 < 6.6.122
Linux ≫ Linux Kernel Version >= 6.7 < 6.12.68
Linux ≫ Linux Kernel Version >= 6.13 < 6.18.8
Linux ≫ Linux Kernel Version6.19 Updaterc1
Linux ≫ Linux Kernel Version6.19 Updaterc2
Linux ≫ Linux Kernel Version6.19 Updaterc3
Linux ≫ Linux Kernel Version6.19 Updaterc4
Linux ≫ Linux Kernel Version6.19 Updaterc5
Linux ≫ Linux Kernel Version6.19 Updaterc6
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EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.1% 0.01
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 4.7 1 3.6
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.

https://git.kernel.org/stable/c/24f31be6ad70537fd7706269d99c92cade465a09
Patch
https://git.kernel.org/stable/c/4aab0ca0a0f7760e33edcb4e47576064d05128f5
Patch
https://git.kernel.org/stable/c/c2d2cf710dc3ee1a69e00b4ed8de607a92a07889
Patch
https://git.kernel.org/stable/c/4b58aac989c1e3fafb1c68a733811859df388250
Patch
https://git.kernel.org/stable/c/766e243ae8c8b27087a4cc605752c0d5ee2daeab
Patch
https://git.kernel.org/stable/c/e1a7072bc4f958c9e852dc7e57e39f12b0bb44b5
Patch
https://git.kernel.org/stable/c/f1e2fe26a51eca95b41420af76d22c2e613efd5e
Patch