CVE-2022-27666
Vulnerability Summary
Timeline
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 Metrics
- v4.0•HIGH•Score: 7.3CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- v3.1•HIGH•Score: 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- v2.0•MEDIUM•Score: 4.6AV:L/AC:L/Au:N/C:P/I:P/A:P
EPSS Trends
Current EPSS score: 5.52%• Percentile: 92%
Techniques & Countermeasures
- CWE-787•Out-of-bounds Write
The product writes data past the end, or before the beginning, of the intended buffer.
Affected Systems
- debian•linux
< 5.10.113-1 | < 5.16.18-1 | < 5.16.18-1 | < 5.16.18-1
- ubuntu•linux
< 4.15.0-175.184 | < 5.4.0-107.121
- ubuntu•linux-aws
< 4.15.0-1126.135 | < 5.4.0-1071.76
- ubuntu•linux-aws-5.0
all
- ubuntu•linux-aws-5.11
all
- ubuntu•linux-aws-5.13
< 5.13.0-1021.23~20.04.2
- ubuntu•linux-aws-5.3
all
- ubuntu•linux-aws-5.4
< 5.4.0-1071.76~18.04.1
- ubuntu•linux-aws-5.8
all
- ubuntu•linux-aws-fips
< 4.15.0-2065.68 | all | < 5.4.0-1071.76+fips1
- ubuntu•linux-aws-hwe
< 4.15.0-1126.135~16.04.2
- ubuntu•linux-azure
< 4.15.0-1136.149~14.04.1 | < 4.15.0-1136.149~16.04.1 | all | < 5.4.0-1074.77
- ubuntu•linux-azure-4.15
< 4.15.0-1136.149
- ubuntu•linux-azure-5.11
all
- ubuntu•linux-azure-5.13
< 5.13.0-1021.24~20.04.1
- ubuntu•linux-azure-5.3
all
- ubuntu•linux-azure-5.4
< 5.4.0-1074.77~18.04.1
- ubuntu•linux-azure-5.8
all
- ubuntu•linux-azure-edge
all
- ubuntu•linux-azure-fips
< 4.15.0-2047.51 | all | < 5.4.0-1074.77+fips1
- ubuntu•linux-bluefield
all | < 5.4.0-1032.35
- ubuntu•linux-dell300x
< 4.15.0-1040.45
- ubuntu•linux-fips
< 4.15.0-1083.92 | all | < 5.4.0-1047.53
- ubuntu•linux-gcp
< 4.15.0-1120.134~16.04.1 | all | < 5.4.0-1069.73
- ubuntu•linux-gcp-4.15
< 4.15.0-1120.134
- ubuntu•linux-gcp-5.11
all
- ubuntu•linux-gcp-5.13
< 5.13.0-1023.28~20.04.1
- ubuntu•linux-gcp-5.3
all
- ubuntu•linux-gcp-5.4
< 5.4.0-1069.73~18.04.1
- ubuntu•linux-gcp-5.8
all
- ubuntu•linux-gcp-fips
< 4.15.0-2030.33 | all | < 5.4.0-1069.73+fips2
- ubuntu•linux-gke
< 5.4.0-1067.70
- ubuntu•linux-gke-4.15
all
- ubuntu•linux-gke-5.4
< 5.4.0-1067.70~18.04.1
- ubuntu•linux-gkeop
< 5.4.0-1038.39
- ubuntu•linux-gkeop-5.4
< 5.4.0-1038.39~18.04.1
- ubuntu•linux-hwe
< 4.15.0-175.184~16.04.1 | all
- ubuntu•linux-hwe-5.11
all
- ubuntu•linux-hwe-5.13
< 5.13.0-39.44~20.04.1
- ubuntu•linux-hwe-5.4
< 5.4.0-107.121~18.04.1
- ubuntu•linux-hwe-5.8
all
- ubuntu•linux-hwe-edge
all | all
- ubuntu•linux-ibm
< 5.4.0-1019.21
- ubuntu•linux-ibm-5.4
< 5.4.0-1019.21~18.04.1
- ubuntu•linux-intel-5.13
all
- ubuntu•linux-intel-iot-realtime
all
- ubuntu•linux-intel-iotg-5.15
< 5.15.0-1008.11~20.04.1
- ubuntu•linux-iot
< 5.4.0-1004.6
- ubuntu•linux-kvm
< 4.15.0-1112.115 | < 5.4.0-1061.64
- ubuntu•linux-oem
all
Showing first 50 affected entries in server-rendered view.
References (18)
- https://bugzilla.redhat.com/show_bug.cgi?id=2061633
- https://github.com/torvalds/linux/commit/ebe48d368e97d007bfeb76fcb065d6cfc4c96645
- https://security.netapp.com/advisory/ntap-20220429-0001/
- https://www.debian.org/security/2022/dsa-5127
- https://www.debian.org/security/2022/dsa-5173
- https://ubuntu.com/security/CVE-2022-27666
- https://git.kernel.org/linus/ebe48d368e97d007bfeb76fcb065d6cfc4c96645
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ebe48d368e97d007bfeb76fcb065d6cfc4c96645
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.15
- https://ubuntu.com/security/notices/USN-5353-1
- https://ubuntu.com/security/notices/USN-5357-1
- https://ubuntu.com/security/notices/USN-5358-1
- https://ubuntu.com/security/notices/USN-5357-2
- https://ubuntu.com/security/notices/USN-5358-2
- https://ubuntu.com/security/notices/USN-5368-1
- https://ubuntu.com/security/notices/USN-5377-1
- https://www.cve.org/CVERecord?id=CVE-2022-27666
- https://security-tracker.debian.org/tracker/CVE-2022-27666