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HIGH · 8.3

CVE-2021-22555

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 ...

Vulnerability 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

CVSS Score

8.3

HIGH

CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack Vector
ADJACENT_NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
NetappC400 Firmware-
NetappC400-
NetappC250 Firmware-
NetappC250-
NetappH410C Firmware-
NetappH410C-
NetappH300S Firmware-
NetappH300S-
NetappH500S Firmware-
NetappH500S-
NetappH700S Firmware-
NetappH700S-
NetappH410S Firmware-
NetappH410S-
LinuxLinux Kernel>= 2.6.19, < 4.4.267
BrocadeFabric Operating System-
NetappFas 8300 Firmware-
NetappFas 8300-
NetappFas 8700 Firmware-
NetappFas 8700-

Related Weaknesses (CWE)

CWE-787

References

FAQ

What is CVE-2021-22555?

CVE-2021-22555 is a vulnerability with a CVSS score of 8.3 (HIGH). 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 ...

How severe is CVE-2021-22555?

CVE-2021-22555 has been rated HIGH with a CVSS base score of 8.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-22555?

Check the references section above for vendor advisories and patch information. Affected products include: Netapp C400 Firmware, Netapp C400, Netapp C250 Firmware, Netapp C250, Netapp H410C Firmware.