Unaligned Access Flaw in Linux Kernel Affects Network Operations
CVE-2025-68322
What is CVE-2025-68322?
A flaw in the Linux kernel was identified where an unaligned memory access could occur during the creation of stack traces. This vulnerability can lead to a kernel crash due to recursion in spinlocks, ultimately resulting in a deadlock situation. When the unwinder attempts to read from unaligned memory, it triggers the unalignment trap handler, causing significant disruption in network operations. The issue has been addressed by implementing alignment checks before memory access to prevent crashes.
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Affected Version(s)
Linux c8921d72e390cb6fca3fb2b0c2badfda851647eb < 9ac1f44723f26881b9fe7e69c7bc25397b879155
Linux c8921d72e390cb6fca3fb2b0c2badfda851647eb < 009270208f76456c2cefcd565da263b90bb2eadb
Linux c8921d72e390cb6fca3fb2b0c2badfda851647eb