EXPOSURES › CVE-2021-22555
CVE-2021-22555
HIGH ⌖ ON CISA KEV · EXPLOITED
DETAIL
⚡ RCE
⌖ EXPLOITED IN THE WILD
SHAME 72/100
exploited-in-wildunpatched
Linux Kernel Heap Out-of-Bounds Write Vulnerability actively exploited
An unpatched Linux Kernel vulnerability allowed attackers to gain privileges or cause a Denial of Service (DoS) via user name space corruption, leading to active exploitation in the wild.
Shame score — Active exploitation in the wild indicates negligence in maintaining security updates.
▸ RECOMMENDED ACTION Actively exploited (CISA KEV) — remediate now, ahead of your normal patch cycle.
PLAYERS IMPLICATED
DESCRIPTION
Linux Kernel contains a heap out-of-bounds write vulnerability that could allow an attacker to gain privileges or cause a DoS (via heap memory corruption) through user name space.
AFFECTED FEDRAMP PRODUCTS · 0
No correlated FedRAMP products.