Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 5.17 |
| Fedoraproject | Fedora | 34 |
| Redhat | Virtualization | 4.0 |
| Redhat | Enterprise Linux | 8.0 |
| Netapp | H300S Firmware | - |
| Netapp | H300S | - |
| Netapp | H500S Firmware | - |
| Netapp | H500S | - |
| Netapp | H700S Firmware | - |
| Netapp | H700S | - |
| Netapp | H300E Firmware | - |
| Netapp | H300E | - |
| Netapp | H500E Firmware | - |
| Netapp | H500E | - |
| Netapp | H700E Firmware | - |
| Netapp | H700E | - |
| Netapp | H410S Firmware | - |
| Netapp | H410S | - |
| Netapp | H410C Firmware | - |
| Netapp | H410C | - |
Related Weaknesses (CWE)
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2061633Issue TrackingPatchThird Party Advisory
- https://github.com/torvalds/linux/commit/ebe48d368e97d007bfeb76fcb065d6cfc4c9664PatchThird Party Advisory
- https://security.netapp.com/advisory/ntap-20220429-0001/Third Party Advisory
- https://www.debian.org/security/2022/dsa-5127Third Party Advisory
- https://www.debian.org/security/2022/dsa-5173Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2061633Issue TrackingPatchThird Party Advisory
- https://github.com/torvalds/linux/commit/ebe48d368e97d007bfeb76fcb065d6cfc4c9664PatchThird Party Advisory
- https://security.netapp.com/advisory/ntap-20220429-0001/Third Party Advisory
- https://www.debian.org/security/2022/dsa-5127Third Party Advisory
- https://www.debian.org/security/2022/dsa-5173Third Party Advisory
FAQ
What is CVE-2022-27666?
CVE-2022-27666 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 o...
How severe is CVE-2022-27666?
CVE-2022-27666 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-27666?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Fedoraproject Fedora, Redhat Virtualization, Redhat Enterprise Linux, Netapp H300S Firmware.