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debiancveDebian Security Bug TrackerDEBIANCVE:CVE-2021-3492
HistoryApr 17, 2021 - 5:15 a.m.

CVE-2021-3492

2021-04-1705:15:00
Debian Security Bug Tracker
security-tracker.debian.org
9

0.0005 Low

EPSS

Percentile

17.1%

Shiftfs, an out-of-tree stacking file system included in Ubuntu Linux kernels, did not properly handle faults occurring during copy_from_user() correctly. These could lead to either a double-free situation or memory not being freed at all. An attacker could use this to cause a denial of service (kernel memory exhaustion) or gain privileges via executing arbitrary code. AKA ZDI-CAN-13562.

0.0005 Low

EPSS

Percentile

17.1%