CVE-2024-47666

Medium

Description

In the Linux kernel, the following vulnerability has been resolved: scsi: pm80xx: Set phy->enable_completion only when we wait for it pm8001_phy_control() populates the enable_completion pointer with a stack address, sends a PHY_LINK_RESET / PHY_HARD_RESET, waits 300 ms, and returns. The problem arises when a phy control response comes late. After 300 ms the pm8001_phy_control() function returns and the passed enable_completion stack address is no longer valid. Late phy control response invokes complete() on a dangling enable_completion pointer which leads to a kernel crash.

SeverityMedium
CVSS5.5
Exploit probability—
ProductLinux Kernel
PublishedOct 9, 2024
First seenOct 9, 2024

How to fix

Update
  • linux linux_kernel6.6.51, 6.10.10 or later

Affected products

ProductAffected versionsFixed in
linux linux_kernelv < 6.6.51, 6.7 ≤ v < 6.10.106.6.51, 6.10.10

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