description: A flaw was found in the Linux kernel. A denial of service problem is identified if an extent tree is corrupted in a crafted ext4 filesystem in fs/ext4/extents.c in ext4_es_cache_extent. Fabricating an integer overflow, A local attacker with a special user privilege may cause a system crash problem which can lead to an availability threat.
problem types: CWE-190 - Integer Overflow or Wraparound
affected:
{
product: kernel
vendor: n/a
versions:
status: affected, version: Affects linux kernel before v5.9.
}