efi: fix panic in kdump kernel
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: efi: fix panic in kdump kernel Check if get_next_variable() is actually valid pointer before calling it. In kdump kernel this method is set to NULL that causes panic during the kexec-ed kernel boot. Tested with QEMU and OVMF firmware.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://git.kernel.org/stable/c/b9d103aca85f082a343b222493f3cab1219aaaf4
- https://git.kernel.org/stable/c/9114ba9987506bcfbb454f6e68558d68cb1abbde
- https://git.kernel.org/stable/c/7784135f134c13af17d9ffb39a57db8500bc60ff
- https://git.kernel.org/stable/c/090d2b4515ade379cd592fbc8931344945978210
- https://git.kernel.org/stable/c/62b71cd73d41ddac6b1760402bbe8c4932e23531
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Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.