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—
Product
Linux 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
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 4.11 ≤ 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, 5.17 | 4.14.274, 4.19.237, 5.4.188, 5.10.108, 5.15.29, 5.16.15 |
| fedoraproject fedora | 34, 35 | — |
| redhat virtualization | 4.0 | — |
| redhat enterprise_linux | 8.0 | — |
| netapp h300s_firmware | No range specified | — |
| netapp h500s_firmware | No range specified | — |
| netapp h700s_firmware | No range specified | — |
| netapp h300e_firmware | No range specified | — |
| netapp h500e_firmware | No range specified | — |
| netapp h700e_firmware | No range specified | — |
| netapp h410s_firmware | No range specified | — |
| netapp h410c_firmware | No range specified | — |
| debian debian_linux | 9.0, 10.0, 11.0 | — |
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