Vulnerability Details : CVE-2022-27666
Potential exploit
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.
Vulnerability category: OverflowMemory CorruptionGain privilege
Products affected by CVE-2022-27666
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:virtualization:4.0:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.17:rc1:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.17:rc2:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.17:rc3:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.17:rc4:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.17:rc5:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.17:-:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.17:rc6:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.17:rc7:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*
Threat overview for CVE-2022-27666
Top countries where our scanners detected CVE-2022-27666
Top open port discovered on systems with this issue
80
IPs affected by CVE-2022-27666 111,964
Threat actors abusing to this issue?
Yes
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affected by CVE-2022-27666!
*Directly or indirectly through your vendors, service providers and 3rd parties.
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attack surface intelligence
from SecurityScorecard.
Exploit prediction scoring system (EPSS) score for CVE-2022-27666
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-27666
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.6
|
MEDIUM | AV:L/AC:L/Au:N/C:P/I:P/A:P |
3.9
|
6.4
|
NIST | |
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2022-27666
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2022-27666
-
https://security.netapp.com/advisory/ntap-20220429-0001/
March 2022 Linux Kernel Vulnerabilities in NetApp Products | NetApp Product SecurityThird Party Advisory
-
https://github.com/torvalds/linux/commit/ebe48d368e97d007bfeb76fcb065d6cfc4c96645
esp: Fix possible buffer overflow in ESP transformation · torvalds/linux@ebe48d3 · GitHubPatch;Third Party Advisory
-
https://bugzilla.redhat.com/show_bug.cgi?id=2061633
2061633 – (CVE-2022-0886) CVE-2022-0886 kernel: buffer overflow in IPsec ESP transformation codeIssue Tracking;Patch;Third Party Advisory
-
https://www.debian.org/security/2022/dsa-5127
Debian -- Security Information -- DSA-5127-1 linuxThird Party Advisory
-
https://www.debian.org/security/2022/dsa-5173
Debian -- Security Information -- DSA-5173-1 linuxThird Party Advisory
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