CVE-2021-3506
Description
An out-of-bounds (OOB) memory access flaw was found in fs/f2fs/node.c in the f2fs module in the Linux kernel in versions before 5.12.0-rc4. A bounds check failure allows a local attacker to gain access to out-of-bounds memory leading to a system crash or a leak of internal kernel information. The highest threat from this vulnerability is to system availability.
Related CPE's
References
CvssV3 impact
BaseSeverity | HIGH |
ConfidentialityImpact | HIGH |
AttackComplexity | LOW |
Scope | UNCHANGED |
AttackVector | LOCAL |
AvailabilityImpact | HIGH |
IntegrityImpact | NONE |
PrivilegesRequired | LOW |
BaseScore | 7.1 |
VectorString | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H |
Version | 3.1 |
UserInteraction | NONE |
CvssV2 impact
AccessComplexity | LOW |
ConfidentialityImpact | PARTIAL |
AvailabilityImpact | COMPLETE |
IntegrityImpact | NONE |
BaseScore | 5.6 |
VectorString | AV:L/AC:L/Au:N/C:P/I:N/A:C |
Version | 2.0 |
AccessVector | LOCAL |
Authentication | NONE |