CWE
667
Advisory Published
CVE Published
Updated

CVE-2024-38780: dma-buf/sw-sync: don't enable IRQ from sync_print_obj()

First published: Fri Jun 21 2024(Updated: )

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().

Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Affected SoftwareAffected VersionHow to fix
Linux Linux kernel<4.14
Linux Linux kernel>=4.19<4.19.316
Linux Linux kernel>=5.4<5.4.278
Linux Linux kernel>=5.10<5.10.219
Linux Linux kernel>=5.15<5.15.161
Linux Linux kernel>=6.1<6.1.93
Linux Linux kernel>=6.6<6.6.33
Linux Linux kernel>=6.9<6.9.4
Linux Linux kernel=6.10.0-rc1
debian/linux
5.10.223-1
5.10.226-1
6.1.106-3
6.1.112-1
6.11.5-1
6.11.6-1

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