PT-2025-8289 · Linux · Linux Kernel
Published
2025-02-26
·
Updated
2025-03-02
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CVE-2022-49355
None
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Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
A vulnerability in the Linux kernel has been resolved, related to the xen xlate map ballooned pages() function. The issue arises from the combination of EXPORT SYMBOL and init, which can lead to kernel panic due to access to a freed symbol. The problem was previously undetected by modpost, but after a recent fix, it began to warn about the issue again. The vulnerability can be exploited, potentially causing a kernel panic.
Recommendations
Remove EXPORT SYMBOL from the xen xlate map ballooned pages() function to resolve the issue.
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Related Identifiers
Affected Products
Linux Kernel