CVE-2022-27666

High

Description

A heap buffer overflow flaw was found in IPsec ESP transformation code in net/ipv4/esp4.c and net/ipv6/esp6.c. This flaw allows a local attacker with a normal user privilege to overwrite kernel heap objects and may cause a local privilege escalation threat.

SeverityHigh
CVSS7.8
Exploit probability—
ProductLinux Kernel
PublishedMar 23, 2022
First seenMar 23, 2022

How to fix

Update
  • linux linux_kernel4.14.274, 4.19.237, 5.4.188, 5.10.108, 5.15.29, 5.16.15 or later

Affected products

ProductAffected versionsFixed in
linux linux_kernel4.11 ≤ v < 4.14.274, 4.15 ≤ v < 4.19.237, 4.20 ≤ v < 5.4.188, 5.5 ≤ v < 5.10.108, 5.11 ≤ v < 5.15.29, 5.16 ≤ v < 5.16.15, 5.174.14.274, 4.19.237, 5.4.188, 5.10.108, 5.15.29, 5.16.15
fedoraproject fedora34, 35—
redhat virtualization4.0—
redhat enterprise_linux8.0—
netapp h300s_firmwareNo range specified—
netapp h500s_firmwareNo range specified—
netapp h700s_firmwareNo range specified—
netapp h300e_firmwareNo range specified—
netapp h500e_firmwareNo range specified—
netapp h700e_firmwareNo range specified—
netapp h410s_firmwareNo range specified—
netapp h410c_firmwareNo range specified—
debian debian_linux9.0, 10.0, 11.0—

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