description: A flaw was found in the Linux kernel's ext4 filesystem. A local user can cause an out-of-bounds write in jbd2_journal_dirty_metadata(), a denial of service, and a system crash by mounting and operating on a crafted ext4 filesystem image.
problem types: CWE-787
affected:
{
product: kernel
vendor: [UNKNOWN]
versions:
status: affected, version: n/a
}
metrics:
cvssV3_0: [
attackComplexity: HIGH
attackVector: PHYSICAL
availabilityImpact: HIGH
baseScore: 4.8
baseSeverity: MEDIUM
confidentialityImpact: NONE
integrityImpact: LOW
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H
version: 3.0
]