CVE-2025-38003
Vulnerability Summary
Timeline
Description
In the Linux kernel, the following vulnerability has been resolved: can: bcm: add missing rcu read protection for procfs content When the procfs content is generated for a bcm_op which is in the process to be removed the procfs output might show unreliable data (UAF). As the removal of bcm_op's is already implemented with rcu handling this patch adds the missing rcu_read_lock() and makes sure the list entries are properly removed under rcu protection.
CVSS Metrics
- v4.0•HIGH•Score: 7.3CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA: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
- v3.1•HIGH•Score: 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Trends
Current EPSS score: 0.25%• Percentile: 17%
Affected Systems
- debian•linux
< 5.10.244-1 | < 6.1.147-1 | < 6.12.32-1 | < 6.12.32-1
- debian•linux-6.1
< 6.1.153-1~deb11u1
- ubuntu•linux
all | < 5.15.0-152.162 | < 6.8.0-100.100
- ubuntu•linux-allwinner-5.19
all
- ubuntu•linux-aws
all | < 5.15.0-1090.97 | < 6.8.0-1046.49
- ubuntu•linux-aws-5.0
all
- ubuntu•linux-aws-5.11
all
- ubuntu•linux-aws-5.13
all
- ubuntu•linux-aws-5.15
< 5.15.0-1090.97~20.04.1
- 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
< 6.14.0-1013.13~24.04.1
- ubuntu•linux-aws-6.2
all
- ubuntu•linux-aws-6.5
all
- ubuntu•linux-aws-6.8
< 6.8.0-1046.49~22.04.1
- ubuntu•linux-aws-fips
all | < 5.15.0-1090.97+fips1 | < 6.8.0-1046.49+fips1
- ubuntu•linux-azure
all | all | < 5.15.0-1094.103 | < 6.8.0-1046.52
- ubuntu•linux-azure-5.11
all
- ubuntu•linux-azure-5.13
all
- ubuntu•linux-azure-5.15
< 5.15.0-1094.103~20.04.1
- 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
< 6.8.0-1051.57~22.04.1
- ubuntu•linux-azure-edge
all
- ubuntu•linux-azure-fde
all | all | all | all
- ubuntu•linux-azure-fde-5.19
all
- ubuntu•linux-azure-fde-6.2
all
- ubuntu•linux-azure-fde-6.8
all
- ubuntu•linux-azure-fips
all | < 5.15.0-1094.103+fips1 | < 6.8.0-1046.52+fips1
- ubuntu•linux-azure-nvidia
all
- ubuntu•linux-azure-nvidia-6.14
< 6.14.0-1007.7
- ubuntu•linux-bluefield
all | all | < 5.15.0-1074.76 | < 6.8.0-1016.20
- ubuntu•linux-fips
all | < 5.15.0-152.162+fips1 | < 6.8.0-100.100+fips1
- ubuntu•linux-gcp
all | all | < 5.15.0-1090.99 | < 6.8.0-1047.50
- ubuntu•linux-gcp-5.11
all
- ubuntu•linux-gcp-5.13
all
- ubuntu•linux-gcp-5.15
< 5.15.0-1090.99~20.04.1
- ubuntu•linux-gcp-5.19
all
- ubuntu•linux-gcp-5.3
all
- ubuntu•linux-gcp-5.4
all
- ubuntu•linux-gcp-5.8
all
- ubuntu•linux-gcp-6.11
all
- ubuntu•linux-gcp-6.14
< 6.14.0-1016.17~24.04.1
Showing first 50 affected entries in server-rendered view.
References (45)
- https://git.kernel.org/stable/c/19f553a1ddf260da6570ed8f8d91a8c87f49b63a
- https://git.kernel.org/stable/c/659701c0b954ccdb4a916a4ad59bbc16e726d42c
- https://git.kernel.org/stable/c/0622846db728a5332b917c797c733e202c4620ae
- https://git.kernel.org/stable/c/6d7d458c41b98a5c1670cbd36f2923c37de51cf5
- https://git.kernel.org/stable/c/1f912f8484e9c4396378c39460bbea0af681f319
- https://git.kernel.org/stable/c/63567ecd99a24495208dc860d50fb17440043006
- https://git.kernel.org/stable/c/7c9db92d5f0eadca30884af75c53d601edc512ee
- https://git.kernel.org/stable/c/dac5e6249159ac255dad9781793dbe5908ac9ddb
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html
- https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html
- https://ubuntu.com/security/CVE-2025-38003
- https://www.cve.org/CVERecord?id=CVE-2025-38003
- https://git.kernel.org/linus/dac5e6249159ac255dad9781793dbe5908ac9ddb
- https://ubuntu.com/security/notices/USN-7704-1
- https://ubuntu.com/security/notices/USN-7704-2
- https://ubuntu.com/security/notices/USN-7704-3
- https://ubuntu.com/security/notices/USN-7704-4
- https://ubuntu.com/security/notices/USN-7711-1
- https://ubuntu.com/security/notices/USN-7712-1
- https://ubuntu.com/security/notices/USN-7704-5
- https://ubuntu.com/security/notices/USN-7712-2
- https://ubuntu.com/security/notices/USN-7769-1
- https://ubuntu.com/security/notices/USN-7770-1
- https://ubuntu.com/security/notices/USN-7771-1
- https://ubuntu.com/security/notices/USN-7769-2
- https://ubuntu.com/security/notices/USN-7769-3
- https://ubuntu.com/security/notices/USN-7789-1
- https://ubuntu.com/security/notices/USN-7789-2
- https://ubuntu.com/security/notices/USN-8028-1
- https://ubuntu.com/security/notices/USN-8028-2
- https://ubuntu.com/security/notices/USN-8031-1
- https://ubuntu.com/security/notices/USN-8028-3
- https://ubuntu.com/security/notices/USN-8028-4
- https://ubuntu.com/security/notices/USN-8028-5
- https://ubuntu.com/security/notices/USN-8031-2
- https://ubuntu.com/security/notices/USN-8028-6
- https://ubuntu.com/security/notices/USN-8031-3
- https://ubuntu.com/security/notices/USN-8052-1
- https://ubuntu.com/security/notices/USN-8028-7
- https://ubuntu.com/security/notices/USN-8028-8
- https://ubuntu.com/security/notices/USN-8052-2
- https://ubuntu.com/security/notices/USN-8074-1
- https://ubuntu.com/security/notices/USN-8074-2
- https://ubuntu.com/security/notices/USN-8126-1
- https://security-tracker.debian.org/tracker/CVE-2025-38003