CVE-2023-1077
Vulnerability Summary
Timeline
Description
In the Linux kernel, pick_next_rt_entity() may return a type confused entry, not detected by the BUG_ON condition, as the confused entry will not be NULL, but list_head.The buggy error condition would lead to a type confused entry with the list head,which would then be used as a type confused sched_rt_entity,causing memory corruption.
CVSS Metrics
- v3.1•HIGH•Score: 7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Trends
Current EPSS score: 0.28%• Percentile: 21%
Techniques & Countermeasures
- CWE-843•Access of Resource Using Incompatible Type ('Type Confusion')
The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.
Affected Systems
- debian•linux
< 5.10.178-1 | < 6.1.20-1 | < 6.1.20-1 | < 6.1.20-1
- ubuntu•linux
all | < 5.4.0-152.169 | < 5.15.0-75.82
- ubuntu•linux-aws
all | < 5.4.0-1104.112 | < 5.15.0-1038.43
- ubuntu•linux-aws-5.0
all
- ubuntu•linux-aws-5.11
all
- ubuntu•linux-aws-5.13
all
- ubuntu•linux-aws-5.15
< 5.15.0-1038.43~20.04.1
- ubuntu•linux-aws-5.3
all
- ubuntu•linux-aws-5.4
< 5.4.0-1104.112~18.04.1
- ubuntu•linux-aws-5.8
all
- ubuntu•linux-aws-fips
all | < 5.4.0-1104.112+fips1
- ubuntu•linux-aws-hwe
all
- ubuntu•linux-azure
all | all | < 5.4.0-1110.116 | < 5.15.0-1040.47
- ubuntu•linux-azure-4.15
all
- ubuntu•linux-azure-5.11
all
- ubuntu•linux-azure-5.13
all
- ubuntu•linux-azure-5.15
< 5.15.0-1040.47~20.04.1
- ubuntu•linux-azure-5.19
all
- ubuntu•linux-azure-5.3
all
- ubuntu•linux-azure-5.4
< 5.4.0-1110.116~18.04.1
- ubuntu•linux-azure-5.8
all
- ubuntu•linux-azure-edge
all
- ubuntu•linux-azure-fde
all | < 5.15.0-1041.48.1
- ubuntu•linux-azure-fde-5.19
all
- ubuntu•linux-azure-fips
all | < 5.4.0-1110.116+fips1
- ubuntu•linux-bluefield
all | < 5.4.0-1065.71 | < 5.15.0-1019.21
- ubuntu•linux-fips
all | < 5.4.0-1079.88
- ubuntu•linux-gcp
all | all | < 5.4.0-1107.116 | < 5.15.0-1036.44
- ubuntu•linux-gcp-4.15
all
- ubuntu•linux-gcp-5.11
all
- ubuntu•linux-gcp-5.13
all
- ubuntu•linux-gcp-5.15
< 5.15.0-1036.44~20.04.1
- ubuntu•linux-gcp-5.3
all
- ubuntu•linux-gcp-5.4
< 5.4.0-1107.116~18.04.1
- ubuntu•linux-gcp-5.8
all
- ubuntu•linux-gcp-fips
all | < 5.4.0-1107.116+fips1
- ubuntu•linux-gke
< 5.4.0-1102.109 | < 5.15.0-1036.41
- ubuntu•linux-gke-4.15
all
- ubuntu•linux-gke-5.15
< 5.15.0-1036.41~20.04.1
- ubuntu•linux-gke-5.4
all
- ubuntu•linux-gkeop
< 5.4.0-1071.75 | < 5.15.0-1022.27
- ubuntu•linux-gkeop-5.15
< 5.15.0-1022.27~20.04.1
- ubuntu•linux-gkeop-5.4
all
- ubuntu•linux-hwe
all | all
- ubuntu•linux-hwe-5.11
all
- ubuntu•linux-hwe-5.13
all
- ubuntu•linux-hwe-5.15
< 5.15.0-75.82~20.04.1
- ubuntu•linux-hwe-5.19
< 5.19.0-45.46~22.04.1
- ubuntu•linux-hwe-5.4
< 5.4.0-152.169~18.04.1
- ubuntu•linux-hwe-5.8
all
Showing first 50 affected entries in server-rendered view.
References (18)
- https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=7c4a5b89a0b5a57a64b601775b296abf77a9fe97
- https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html
- https://security.netapp.com/advisory/ntap-20230511-0002/
- https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html
- https://ubuntu.com/security/CVE-2023-1077
- https://git.kernel.org/linus/7c4a5b89a0b5a57a64b601775b296abf77a9fe97
- https://seclists.org/oss-sec/2023/q1/126
- https://ubuntu.com/security/notices/USN-6033-1
- https://ubuntu.com/security/notices/USN-6171-1
- https://ubuntu.com/security/notices/USN-6172-1
- https://ubuntu.com/security/notices/USN-6185-1
- https://ubuntu.com/security/notices/USN-6187-1
- https://ubuntu.com/security/notices/USN-6207-1
- https://ubuntu.com/security/notices/USN-6222-1
- https://ubuntu.com/security/notices/USN-6223-1
- https://ubuntu.com/security/notices/USN-6256-1
- https://www.cve.org/CVERecord?id=CVE-2023-1077
- https://security-tracker.debian.org/tracker/CVE-2023-1077