UBUNTU-CVE-2022-50048
Advisory lineage Upstream: 1 Downstream: 0
Upstream
Published: 18 Jun 2025, 11:15
Last modified:03 Jun 2026, 13:36
Vulnerability Summary
Overall Risk (default)
low
22/100 CVSS Score
5.5 MEDIUM
3.1 (osv_ubuntu)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
18 Jun 2025, 11:15
Published
Vulnerability first disclosed
03 Jun 2026, 13:36
Last Modified
Vulnerability information updated
Description
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: possible module reference underflow in error path dst->ops is set on when nft_expr_clone() fails, but module refcount has not been bumped yet, therefore nft_expr_destroy() leads to module reference underflow.
CVSS Metrics
- v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Systems
- ubuntu•linux
< 5.15.0-53.59
- ubuntu•linux-allwinner-5.19
all
- ubuntu•linux-aws
< 5.15.0-1023.27
- ubuntu•linux-aws-5.0
all
- ubuntu•linux-aws-5.11
all
- ubuntu•linux-aws-5.13
all
- ubuntu•linux-aws-5.15
< 5.15.0-1023.27~20.04.1
- ubuntu•linux-aws-5.19
all
- ubuntu•linux-aws-5.3
all
- ubuntu•linux-aws-5.8
all
- ubuntu•linux-aws-6.2
all
- ubuntu•linux-aws-6.5
all
- ubuntu•linux-azure
all | < 5.15.0-1023.29
- ubuntu•linux-azure-5.11
all
- ubuntu•linux-azure-5.13
all
- ubuntu•linux-azure-5.15
< 5.15.0-1023.29~20.04.1
- ubuntu•linux-azure-5.19
all
- ubuntu•linux-azure-5.3
all
- ubuntu•linux-azure-5.8
all
- ubuntu•linux-azure-6.2
all
- ubuntu•linux-azure-6.5
all
- ubuntu•linux-azure-edge
all
- ubuntu•linux-azure-fde
all | all
- ubuntu•linux-azure-fde-5.19
all
- ubuntu•linux-azure-fde-6.2
all
- ubuntu•linux-bluefield
all
- ubuntu•linux-gcp
all | < 5.15.0-1022.29
- ubuntu•linux-gcp-5.11
all
- ubuntu•linux-gcp-5.13
all
- ubuntu•linux-gcp-5.15
< 5.15.0-1022.29~20.04.1
- ubuntu•linux-gcp-5.19
all
- ubuntu•linux-gcp-5.3
all
- ubuntu•linux-gcp-5.8
all
- ubuntu•linux-gcp-6.2
all
- ubuntu•linux-gcp-6.5
all
- ubuntu•linux-gke
all | < 5.15.0-1020.25
- ubuntu•linux-gke-4.15
all
- ubuntu•linux-gke-5.15
all
- ubuntu•linux-gke-5.4
all
- ubuntu•linux-gkeop
all | < 5.15.0-1008.12
- ubuntu•linux-gkeop-5.15
all
- 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
< 5.15.0-53.59~20.04.1
- ubuntu•linux-hwe-5.19
all
- ubuntu•linux-hwe-5.8
all
- ubuntu•linux-hwe-6.2
all
- ubuntu•linux-hwe-6.5
all
Showing first 50 affected entries in server-rendered view.
References (5)
- https://ubuntu.com/security/CVE-2022-50048
- https://www.cve.org/CVERecord?id=CVE-2022-50048
- https://git.kernel.org/stable/c/1e52e6cfec6342c3d0df47dc3a76724fb3dabf56
- https://git.kernel.org/stable/c/b59bee8b05b0e789b5a298cacb09e8aaa3367a29
- https://git.kernel.org/stable/c/c485c35ff6783ccd12c160fcac6a0e504e83e0bf