UBUNTU-CVE-2025-37926
Advisory lineage Upstream: 1 Downstream: 12
Upstream
Published: 20 May 2025, 16:15
Last modified:03 Jun 2026, 13:47
Vulnerability Summary
Overall Risk (default)
medium
31/100 CVSS Score
7.8 HIGH
3.1 (osv_ubuntu)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
20 May 2025, 16:15
Published
Vulnerability first disclosed
03 Jun 2026, 13:47
Last Modified
Vulnerability information updated
Description
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in ksmbd_session_rpc_open A UAF issue can occur due to a race condition between ksmbd_session_rpc_open() and __session_rpc_close(). Add rpc_lock to the session to protect it.
CVSS Metrics
- v3.1•HIGH•Score: 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Systems
- ubuntu•linux
all | all | all | < 6.8.0-117.117
- ubuntu•linux-allwinner-5.19
all
- ubuntu•linux-aws
all | all | all | < 6.8.0-1055.58
- ubuntu•linux-aws-5.0
all
- ubuntu•linux-aws-5.11
all
- ubuntu•linux-aws-5.13
all
- ubuntu•linux-aws-5.15
all
- ubuntu•linux-aws-5.19
all
- ubuntu•linux-aws-5.3
all
- ubuntu•linux-aws-5.4
all
- ubuntu•linux-aws-5.8
all
- ubuntu•linux-aws-6.14
< 6.14.0-1009.9~24.04.1
- ubuntu•linux-aws-6.2
all
- ubuntu•linux-aws-6.5
all
- ubuntu•linux-aws-6.8
all
- ubuntu•linux-aws-fips
all | < 6.8.0-1055.58+fips1
- ubuntu•linux-aws-hwe
all
- ubuntu•linux-azure
all | all | all | all | < 6.8.0-1056.62
- ubuntu•linux-azure-4.15
all
- ubuntu•linux-azure-5.11
all
- ubuntu•linux-azure-5.13
all
- ubuntu•linux-azure-5.15
all
- ubuntu•linux-azure-5.19
all
- ubuntu•linux-azure-5.3
all
- ubuntu•linux-azure-5.4
all
- ubuntu•linux-azure-5.8
all
- ubuntu•linux-azure-6.11
all
- ubuntu•linux-azure-6.2
all
- ubuntu•linux-azure-6.5
all
- ubuntu•linux-azure-6.8
all
- ubuntu•linux-azure-edge
all
- ubuntu•linux-azure-fde
all | all | all | all
- ubuntu•linux-azure-fde-5.15
all
- ubuntu•linux-azure-fde-5.19
all
- ubuntu•linux-azure-fde-6.17
all
- ubuntu•linux-azure-fde-6.2
all
- ubuntu•linux-azure-fde-6.8
all
- ubuntu•linux-azure-fips
all
- ubuntu•linux-azure-nvidia
all
- ubuntu•linux-bluefield
all | all | all
- ubuntu•linux-fips
all | < 6.8.0-116.116+fips1
- ubuntu•linux-gcp
all | all | all | all | < 6.8.0-1058.61
- ubuntu•linux-gcp-4.15
all
- ubuntu•linux-gcp-5.11
all
- ubuntu•linux-gcp-5.13
all
- ubuntu•linux-gcp-5.15
all
- ubuntu•linux-gcp-5.19
all
- ubuntu•linux-gcp-5.3
all
- ubuntu•linux-gcp-5.4
all
- ubuntu•linux-gcp-5.8
all
Showing first 50 affected entries in server-rendered view.
References (18)
- https://ubuntu.com/security/CVE-2025-37926
- https://www.cve.org/CVERecord?id=CVE-2025-37926
- https://git.kernel.org/linus/a1f46c99d9ea411f9bf30025b912d881d36fc709
- https://git.kernel.org/stable/c/6323fec65fe54b365961fed260dd579191e46121
- https://git.kernel.org/stable/c/8fb3b6c85b7e3127161623586b62abcc366caa20
- https://git.kernel.org/stable/c/a1f46c99d9ea411f9bf30025b912d881d36fc709
- https://ubuntu.com/security/notices/USN-7649-1
- https://ubuntu.com/security/notices/USN-7650-1
- https://ubuntu.com/security/notices/USN-7649-2
- https://ubuntu.com/security/notices/USN-7665-1
- https://ubuntu.com/security/notices/USN-7665-2
- https://ubuntu.com/security/notices/USN-7721-1
- https://ubuntu.com/security/notices/USN-8278-1
- https://ubuntu.com/security/notices/USN-8289-1
- https://ubuntu.com/security/notices/USN-8296-1
- https://ubuntu.com/security/notices/USN-8296-2
- https://ubuntu.com/security/notices/USN-8289-2
- https://ubuntu.com/security/notices/USN-8278-2