VDB
CISA-2021-22555
CISA-2021-22555
PUBLISHED
CVSS 8.3 HIGH
Reported by Google · Published July 7, 2021
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
Risk Scores
CVSS 3.1
8.3
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| n/a | Linux Kernel | 2.6.19-rc1 |
| n/a | Linux Kernel | 2.6.19-rc1, 2.6.19-rc1 |
Timeline
- Jul 7, 2021 CVE Published
- Dec 30, 2025 CVE Updated
References
- x_refsource_MISC
- x_refsource_MISC
- x_refsource_MISC
- x_refsource_MISC
- x_refsource_CONFIRM
- x_refsource_MISC
- x_refsource_MISC
- x_refsource_MISC
- x_refsource_MISC
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-22555 url