CVE-2023-2612
Vulnerability Summary
Timeline
Description
Jean-Baptiste Cayrou discovered that the shiftfs file system in the Ubuntu Linux kernel contained a race condition when handling inode locking in some situations. A local attacker could use this to cause a denial of service (kernel deadlock).
CVSS Metrics
- v3.1•MEDIUM•Score: 4.4CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
- v3.1•MEDIUM•Score: 4.7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Trends
Current EPSS score: 0.28%• Percentile: 21%
Techniques & Countermeasures
- CWE-667•Improper Locking
The product does not properly acquire or release a lock on a resource, leading to unexpected resource state changes and behaviors.
Affected Systems
- canonical ltd.•ubuntu-linux
< 02b47547824b1cd0d55c6744f91886f04de8947e
- canonical•ubuntu_linux
20.04 | 22.04 | 22.10
- ubuntu•linux
< 5.4.0-150.167 | < 5.15.0-73.80
- ubuntu•linux-aws
< 5.4.0-1103.111 | < 5.15.0-1037.41
- ubuntu•linux-aws-5.0
all
- ubuntu•linux-aws-5.11
all
- ubuntu•linux-aws-5.13
all
- ubuntu•linux-aws-5.15
< 5.15.0-1037.41~20.04.1
- ubuntu•linux-aws-5.3
all
- ubuntu•linux-aws-5.4
< 5.4.0-1103.111~18.04.1
- ubuntu•linux-aws-5.8
all
- ubuntu•linux-aws-fips
< 5.4.0-1103.111+fips1 | all
- ubuntu•linux-azure
all | < 5.4.0-1109.115 | < 5.15.0-1039.46
- ubuntu•linux-azure-5.11
all
- ubuntu•linux-azure-5.13
all
- ubuntu•linux-azure-5.15
< 5.15.0-1039.46~20.04.1
- ubuntu•linux-azure-5.19
all
- ubuntu•linux-azure-5.3
all
- ubuntu•linux-azure-5.4
< 5.4.0-1109.115~18.04.1
- ubuntu•linux-azure-5.8
all
- ubuntu•linux-azure-edge
all
- ubuntu•linux-azure-fde
all | < 5.15.0-1039.46.1
- ubuntu•linux-azure-fips
< 5.4.0-1109.115+fips1 | all
- ubuntu•linux-bluefield
all | < 5.4.0-1064.70 | < 5.15.0-1017.19
- ubuntu•linux-fips
< 5.4.0-1078.87 | all
- ubuntu•linux-gcp
all | < 5.4.0-1106.115 | < 5.15.0-1035.43
- ubuntu•linux-gcp-5.11
all
- ubuntu•linux-gcp-5.13
all
- ubuntu•linux-gcp-5.15
< 5.15.0-1035.43~20.04.1
- ubuntu•linux-gcp-5.3
all
- ubuntu•linux-gcp-5.4
< 5.4.0-1106.115~18.04.1
- ubuntu•linux-gcp-5.8
all
- ubuntu•linux-gcp-fips
< 5.4.0-1106.115+fips1 | all
- ubuntu•linux-gke
< 5.4.0-1100.107 | < 5.15.0-1034.39
- ubuntu•linux-gke-4.15
all
- ubuntu•linux-gke-5.15
< 5.15.0-1034.39~20.04.1
- ubuntu•linux-gke-5.4
all
- ubuntu•linux-gkeop
< 5.4.0-1070.74 | < 5.15.0-1021.26
- ubuntu•linux-gkeop-5.15
< 5.15.0-1021.26~20.04.1
- ubuntu•linux-gkeop-5.4
all
- ubuntu•linux-hwe
all
- ubuntu•linux-hwe-5.11
all
- ubuntu•linux-hwe-5.13
all
- ubuntu•linux-hwe-5.15
< 5.15.0-73.80~20.04.1
- ubuntu•linux-hwe-5.19
< 5.19.0-43.44~22.04.1
- ubuntu•linux-hwe-5.4
< 5.4.0-150.167~18.04.1
- ubuntu•linux-hwe-5.8
all
- ubuntu•linux-hwe-edge
all | all
- ubuntu•linux-ibm
< 5.4.0-1050.55 | < 5.15.0-1031.34
- ubuntu•linux-ibm-5.4
< 5.4.0-1050.55~18.04.1
Showing first 50 affected entries in server-rendered view.
References (17)
- https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/kinetic/commit/?id=02b47547824b1cd0d55c6744f91886f04de8947e
- https://ubuntu.com/security/CVE-2023-2612
- https://ubuntu.com/security/notices/USN-6122-1
- https://ubuntu.com/security/notices/USN-6123-1
- https://ubuntu.com/security/notices/USN-6124-1
- https://ubuntu.com/security/notices/USN-6127-1
- http://packetstormsecurity.com/files/173087/Kernel-Live-Patch-Security-Notice-LSN-0095-1.html
- https://ubuntu.com/security/notices/USN-6131-1
- https://ubuntu.com/security/notices/USN-6132-1
- https://ubuntu.com/security/notices/USN-6135-1
- https://ubuntu.com/security/notices/USN-6150-1
- https://ubuntu.com/security/notices/USN-6162-1
- https://ubuntu.com/security/notices/USN-6175-1
- https://ubuntu.com/security/notices/USN-6186-1
- https://ubuntu.com/security/notices/USN-6222-1
- https://ubuntu.com/security/notices/USN-6256-1
- https://www.cve.org/CVERecord?id=CVE-2023-2612