CVE-2024-38780

Medium

Description

In the Linux kernel, the following vulnerability has been resolved: dma-buf/sw-sync: don't enable IRQ from sync_print_obj() Since commit a6aa8fca4d79 ("dma-buf/sw-sync: Reduce irqsave/irqrestore from known context") by error replaced spin_unlock_irqrestore() with spin_unlock_irq() for both sync_debugfs_show() and sync_print_obj() despite sync_print_obj() is called from sync_debugfs_show(), lockdep complains inconsistent lock state warning. Use plain spin_{lock,unlock}() for sync_print_obj(), for sync_debugfs_show() is already using spin_{lock,unlock}_irq().

SeverityMedium
CVSS5.5
Exploit probability—
ProductLinux Kernel
PublishedJun 21, 2024
First seenJun 21, 2024

How to fix

Update
  • linux linux_kernel4.14, 4.19.316, 5.4.278, 5.10.219, 5.15.161, 6.1.93, 6.6.33, 6.9.4 or later

Affected products

ProductAffected versionsFixed in
linux linux_kernelv < 4.14, 4.19 ≤ v < 4.19.316, 5.4 ≤ v < 5.4.278, 5.10 ≤ v < 5.10.219, 5.15 ≤ v < 5.15.161, 6.1 ≤ v < 6.1.93, 6.6 ≤ v < 6.6.33, 6.9 ≤ v < 6.9.4, 6.10.04.14, 4.19.316, 5.4.278, 5.10.219, 5.15.161, 6.1.93, 6.6.33, 6.9.4

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