CVE-2025-39876
Vulnerability Summary
Timeline
Description
In the Linux kernel, the following vulnerability has been resolved: net: fec: Fix possible NPD in fec_enet_phy_reset_after_clk_enable() The function of_phy_find_device may return NULL, so we need to take care before dereferencing phy_dev.
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
EPSS Trends
Current EPSS score: 0.15%• Percentile: 5%
Techniques & Countermeasures
- CWE-476•NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.
Affected Systems
- debian•linux
< 5.10.247-1 | < 6.1.153-1 | < 6.12.48-1 | < 6.16.8-1
- debian•linux-6.1
< 6.1.153-1~deb11u1
- ubuntu•linux
all | < 5.15.0-170.180 | < 6.8.0-106.106
- ubuntu•linux-allwinner-5.19
all
- ubuntu•linux-aws
all | < 5.15.0-1100.107 | < 6.8.0-1050.53
- ubuntu•linux-aws-5.0
all
- ubuntu•linux-aws-5.11
all
- ubuntu•linux-aws-5.13
all
- ubuntu•linux-aws-5.15
< 5.15.0-1100.107~20.04.2
- 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
all
- ubuntu•linux-aws-6.2
all
- ubuntu•linux-aws-6.5
all
- ubuntu•linux-aws-6.8
< 6.8.0-1050.53~22.04.1
- ubuntu•linux-aws-fips
all | < 5.15.0-1100.107+fips1 | < 6.8.0-1050.53+fips1
- ubuntu•linux-azure
all | all | < 5.15.0-1109.118 | < 6.8.0-1051.57
- ubuntu•linux-azure-5.11
all
- ubuntu•linux-azure-5.13
all
- ubuntu•linux-azure-5.15
< 5.15.0-1110.119~20.04.1
- 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-6.14
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-6.14
all
- ubuntu•linux-azure-fde-6.2
all
- ubuntu•linux-azure-fde-6.8
all
- ubuntu•linux-azure-fips
all | < 5.15.0-1109.118+fips1 | < 6.8.0-1052.58+fips1
- ubuntu•linux-azure-nvidia
all
- ubuntu•linux-azure-nvidia-6.14
all
- ubuntu•linux-bluefield
all | all | < 5.15.0-1084.86 | < 6.8.0-1017.21
- ubuntu•linux-fips
all | < 5.15.0-170.180+fips1 | < 6.8.0-106.106+fips1
- ubuntu•linux-gcp
all | all | < 5.15.0-1100.109 | < 6.8.0-1052.55
- ubuntu•linux-gcp-5.11
all
- ubuntu•linux-gcp-5.13
all
- ubuntu•linux-gcp-5.15
< 5.15.0-1100.109~20.04.1
- ubuntu•linux-gcp-5.19
all
- ubuntu•linux-gcp-5.3
all
- ubuntu•linux-gcp-5.4
all
- ubuntu•linux-gcp-5.8
all
Showing first 50 affected entries in server-rendered view.
References (37)
- https://git.kernel.org/stable/c/8c60d12bba14dc655d2d948b1dbf390b3ae39cb8
- https://git.kernel.org/stable/c/20a3433d31c2d2bf70ab0abec75f3136b42ae66c
- https://git.kernel.org/stable/c/93a699d6e92cfdfa9eb9dbb8c653b5322542ca4f
- https://git.kernel.org/stable/c/5f1bb554a131e59b28482abad21f691390651752
- https://git.kernel.org/stable/c/fe78891f296ac05bf4e5295c9829ef822f3c32e7
- https://git.kernel.org/stable/c/4fe53aaa4271a72fe5fe3e88a45ce01646b68dc5
- https://git.kernel.org/stable/c/eb148d85e126c47d65be34f2a465d69432ca5541
- https://git.kernel.org/stable/c/03e79de4608bdd48ad6eec272e196124cefaf798
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html
- https://ubuntu.com/security/CVE-2025-39876
- https://www.cve.org/CVERecord?id=CVE-2025-39876
- https://git.kernel.org/linus/03e79de4608bdd48ad6eec272e196124cefaf798
- https://ubuntu.com/security/notices/USN-8033-1
- https://ubuntu.com/security/notices/USN-8033-2
- https://ubuntu.com/security/notices/USN-8033-3
- https://ubuntu.com/security/notices/USN-8034-1
- https://ubuntu.com/security/notices/USN-8033-4
- https://ubuntu.com/security/notices/USN-8033-5
- https://ubuntu.com/security/notices/USN-8034-2
- https://ubuntu.com/security/notices/USN-8033-6
- https://ubuntu.com/security/notices/USN-8033-7
- https://ubuntu.com/security/notices/USN-8033-8
- https://ubuntu.com/security/notices/USN-8095-1
- https://ubuntu.com/security/notices/USN-8100-1
- https://ubuntu.com/security/notices/USN-8095-2
- https://ubuntu.com/security/notices/USN-8095-3
- https://ubuntu.com/security/notices/USN-8095-4
- https://ubuntu.com/security/notices/USN-8125-1
- https://ubuntu.com/security/notices/USN-8126-1
- https://ubuntu.com/security/notices/USN-8095-5
- https://ubuntu.com/security/notices/USN-8141-1
- https://ubuntu.com/security/notices/USN-8163-1
- https://ubuntu.com/security/notices/USN-8165-1
- https://ubuntu.com/security/notices/USN-8163-2
- https://ubuntu.com/security/notices/USN-8243-1
- https://ubuntu.com/security/notices/USN-8261-1
- https://security-tracker.debian.org/tracker/CVE-2025-39876