module

Netfilter x_tables Heap OOB Write Privilege Escalation

Disclosed
2021-07-07

Description

A heap out-of-bounds write affecting Linux since v2.6.19-rc1 was discovered in net/netfilter/x_tables.c.
This allows an attacker to gain privileges or cause a DoS (via heap memory corruption) through user name space.
Kernels up to 5.11 (including) are vulnerable.
More information about vulnerable kernels is
available at https://nvd.nist.gov/vuln/detail/CVE-2021-22555#vulnConfigurationsArea
Title
NEW

Explore Exposure Command

Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.