CVE-2023-4569
Vulnerability Summary
Timeline
Description
A memory leak flaw was found in nft_set_catchall_flush in net/netfilter/nf_tables_api.c in the Linux Kernel. This issue may allow a local attacker to cause double-deactivations of catchall elements, which can result in a memory leak.
CVSS Metrics
- v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Trends
Current EPSS score: 0.28%• Percentile: 21%
Techniques & Countermeasures
- CWE-402•Transmission of Private Resources into a New Sphere ('Resource Leak')
The product makes resources available to untrusted parties when those resources are only intended to be accessed by the product.
- CWE-401•Missing Release of Memory after Effective Lifetime
The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.
Affected Systems
- debian•linux
all | < 6.1.52-1 | < 6.4.13-1 | < 6.4.13-1
- ubuntu•linux
< 5.15.0-84.93
- ubuntu•linux-allwinner-5.19
all
- ubuntu•linux-aws
< 5.15.0-1045.50
- ubuntu•linux-aws-5.0
all
- ubuntu•linux-aws-5.11
all
- ubuntu•linux-aws-5.13
all
- ubuntu•linux-aws-5.15
< 5.15.0-1045.50~20.04.1
- ubuntu•linux-aws-5.19
all
- ubuntu•linux-aws-5.3
all
- ubuntu•linux-aws-5.8
all
- ubuntu•linux-aws-6.2
< 6.2.0-1012.12~22.04.1
- ubuntu•linux-azure
all | < 5.15.0-1047.54
- ubuntu•linux-azure-5.11
all
- ubuntu•linux-azure-5.13
all
- ubuntu•linux-azure-5.15
< 5.15.0-1047.54~20.04.1
- ubuntu•linux-azure-5.19
all
- ubuntu•linux-azure-5.3
all
- ubuntu•linux-azure-5.8
all
- ubuntu•linux-azure-6.2
< 6.2.0-1012.12~22.04.1
- ubuntu•linux-azure-edge
all
- ubuntu•linux-azure-fde
all | < 5.15.0-1047.54.1
- ubuntu•linux-azure-fde-5.19
all
- ubuntu•linux-bluefield
all | < 5.15.0-1024.26
- ubuntu•linux-fips
all
- ubuntu•linux-gcp
all | < 5.15.0-1042.50
- ubuntu•linux-gcp-5.11
all
- ubuntu•linux-gcp-5.13
all
- ubuntu•linux-gcp-5.15
< 5.15.0-1042.50~20.04.1
- ubuntu•linux-gcp-5.19
all
- ubuntu•linux-gcp-5.3
all
- ubuntu•linux-gcp-5.8
all
- ubuntu•linux-gcp-6.2
< 6.2.0-1014.14~22.04.1
- ubuntu•linux-gke
all | < 5.15.0-1042.47
- ubuntu•linux-gke-4.15
all
- ubuntu•linux-gke-5.15
all
- ubuntu•linux-gke-5.4
all
- ubuntu•linux-gkeop
< 5.15.0-1028.33
- ubuntu•linux-gkeop-5.15
< 5.15.0-1028.33~20.04.1
- 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
< 5.15.0-84.93~20.04.1
- ubuntu•linux-hwe-5.19
all
- ubuntu•linux-hwe-5.8
all
- ubuntu•linux-hwe-6.2
< 6.2.0-33.33~22.04.1
- ubuntu•linux-hwe-edge
all
- ubuntu•linux-ibm
< 5.15.0-1038.41
- ubuntu•linux-ibm-5.15
< 5.15.0-1038.41~20.04.1
Showing first 50 affected entries in server-rendered view.
References (14)
- https://access.redhat.com/security/cve/CVE-2023-4569
- https://bugzilla.redhat.com/show_bug.cgi?id=2235470
- https://patchwork.ozlabs.org/project/netfilter-devel/patch/20230812110526.49808-1-fw@strlen.de/
- https://www.debian.org/security/2023/dsa-5492
- https://ubuntu.com/security/CVE-2023-4569
- https://ubuntu.com/security/notices/USN-6383-1
- https://ubuntu.com/security/notices/USN-6384-1
- https://ubuntu.com/security/notices/USN-6385-1
- https://ubuntu.com/security/notices/USN-6386-1
- https://ubuntu.com/security/notices/USN-6386-2
- https://ubuntu.com/security/notices/USN-6386-3
- https://ubuntu.com/security/notices/USN-6466-1
- https://www.cve.org/CVERecord?id=CVE-2023-4569
- https://security-tracker.debian.org/tracker/CVE-2023-4569