CVE-2021-44879Medium· 5.5▾ SunlitIn gc_data_segment in fs/f2fs/gc.c in the Linux kernel before 5.16.3, special files are not considered, leading to a move_data_page NULL pointer dereference.
▾ Sunlit zone — Low / medium · no exploitation signal
impact 30.3 · likelihood 0.2 · exploitation 0
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Exploit-prediction probability, daily snapshots since Oct 14.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
1.2%
In gc_data_segment in fs/f2fs/gc.c in the Linux kernel before 5.16.3, special files are not considered, leading to a move_data_page NULL pointer dereference.
linux_kernel < 5.16.3Upgrade past the affected range:
linux_kernel 5.16.3Connected by shared product, vendor, weakness, or advisory.
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