CVE-2025-38645: debian debian_linux NULL Pointer Dereference

CVSS: 5.5v3.1MediumAnalyzed

AliasesUBUNTU-CVE-2025-38645DEBIAN-CVE-2025-38645

Published 22-08-2025Last modified 11-05-2026

Vulnerability summary

CVE-2025-38645 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in debian debian_linux. EPSS estimates a 0.16% chance of exploitation in the next 30 days, higher than 4.7% of scored vulnerabilities.

Overall risk

22/100

0100

Low · default modelHow is this calculated?

CVSS score

5.5/10

010

Medium · v3.1 (NVD)

EPSS score

0.16%

0%100%

Low · 0.00 pp in 30 days

KEVNot listedIn no KEV catalog

RansomwareNone recordedNo known use recorded

Public exploits0No public exploits recorded

Timeline

22-08-2025
PublishedVulnerability first disclosed.
11-05-2026
Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Check device memory pointer before usage Add a NULL check before accessing device memory to prevent a crash if dev->dm allocation in mlx5_init_once() fails.

CVSS metrics

3 scores · 3 sources · 1 version

v3.15.5

EPSS trend

Probability

0.16%

Chance of exploitation in the next 30 days

Percentile

Versus all other CVEs

30-day change

0.00 pp

From 0.16% on 19-09-2026

19-09-202619-10-2026

EPSS score

0.16%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

CWE-476NULL Pointer DereferenceThe product dereferences a pointer that it expects to be valid but is NULL.

Affected systems

Ubuntu143 products

linuxAll versions (No fix recorded) | < 5.15.0-163.173 | < 6.8.0-100.100
linux-allwinner-5.19All versions (No fix recorded)
linux-awsAll versions (No fix recorded) | < 5.15.0-1097.104 | < 6.8.0-1046.49
linux-aws-5.0All versions (No fix recorded)
linux-aws-5.11All versions (No fix recorded)

linux-aws-5.13All versions (No fix recorded)
linux-aws-5.15< 5.15.0-1097.104~20.04.1
linux-aws-5.19All versions (No fix recorded)
linux-aws-5.3All versions (No fix recorded)
linux-aws-5.4All versions (No fix recorded)
linux-aws-5.8All versions (No fix recorded)
linux-aws-6.14< 6.14.0-1017.17~24.04.1
linux-aws-6.2All versions (No fix recorded)
linux-aws-6.5All versions (No fix recorded)
linux-aws-6.8< 6.8.0-1046.49~22.04.1
linux-aws-fipsAll versions (No fix recorded) | < 5.15.0-1097.104+fips1 | < 6.8.0-1046.49+fips1
linux-azureAll versions (No fix recorded) | < 5.15.0-1101.110 | < 6.8.0-1046.52
linux-azure-5.11All versions (No fix recorded)
linux-azure-5.13All versions (No fix recorded)
linux-azure-5.15< 5.15.0-1102.111~20.04.1
linux-azure-5.19All versions (No fix recorded)
linux-azure-5.3All versions (No fix recorded)
linux-azure-5.4All versions (No fix recorded)
linux-azure-5.8All versions (No fix recorded)
linux-azure-6.11All versions (No fix recorded)
linux-azure-6.14< 6.14.0-1017.17~24.04.1
linux-azure-6.2All versions (No fix recorded)
linux-azure-6.5All versions (No fix recorded)
linux-azure-6.8< 6.8.0-1051.57~22.04.1
linux-azure-edgeAll versions (No fix recorded)
linux-azure-fdeAll versions (No fix recorded) | < 5.15.0-1102.111.1 | < 6.8.0-1046.53
linux-azure-fde-5.19All versions (No fix recorded)
linux-azure-fde-6.14All versions (No fix recorded)
linux-azure-fde-6.2All versions (No fix recorded)
linux-azure-fde-6.8< 6.8.0-1046.53~22.04.1
linux-azure-fipsAll versions (No fix recorded) | < 5.15.0-1101.110+fips1 | < 6.8.0-1046.52+fips1
linux-azure-nvidiaAll versions (No fix recorded)
linux-azure-nvidia-6.14All versions (No fix recorded)
linux-bluefieldAll versions (No fix recorded) | < 5.15.0-1081.83 | < 6.8.0-1016.20
linux-fipsAll versions (No fix recorded) | < 5.15.0-163.173+fips1 | < 6.8.0-100.100+fips1
linux-gcpAll versions (No fix recorded) | < 5.15.0-1097.106 | < 6.8.0-1047.50
linux-gcp-5.11All versions (No fix recorded)
linux-gcp-5.13All versions (No fix recorded)
linux-gcp-5.15< 5.15.0-1097.106~20.04.1
linux-gcp-5.19All versions (No fix recorded)
linux-gcp-5.3All versions (No fix recorded)
linux-gcp-5.4All versions (No fix recorded)
linux-gcp-5.8All versions (No fix recorded)
linux-gcp-6.11All versions (No fix recorded)
linux-gcp-6.14< 6.14.0-1020.21~24.04.1
linux-gcp-6.2All versions (No fix recorded)
linux-gcp-6.5All versions (No fix recorded)
linux-gcp-6.8< 6.8.0-1047.50~22.04.2
linux-gcp-fipsAll versions (No fix recorded) | < 5.15.0-1097.106+fips1 | < 6.8.0-1047.50+fips1
linux-gkeAll versions (No fix recorded) | < 5.15.0-1093.99 | < 6.8.0-1043.48
linux-gke-4.15All versions (No fix recorded)
linux-gke-5.15All versions (No fix recorded)
linux-gke-5.4All versions (No fix recorded)
linux-gkeopAll versions (No fix recorded) | < 5.15.0-1080.88 | < 6.8.0-1030.33
linux-gkeop-5.15All versions (No fix recorded)
linux-gkeop-5.4All versions (No fix recorded)
linux-hweAll versions (No fix recorded)
linux-hwe-5.11All versions (No fix recorded)
linux-hwe-5.13All versions (No fix recorded)
linux-hwe-5.15< 5.15.0-163.173~20.04.1
linux-hwe-5.19All versions (No fix recorded)
linux-hwe-5.4All versions (No fix recorded)
linux-hwe-5.8All versions (No fix recorded)
linux-hwe-6.11All versions (No fix recorded)
linux-hwe-6.2All versions (No fix recorded)
linux-hwe-6.5All versions (No fix recorded)
linux-hwe-6.8< 6.8.0-100.100~22.04.1
linux-hwe-edgeAll versions (No fix recorded)
linux-ibmAll versions (No fix recorded) | < 5.15.0-1091.94 | < 6.8.0-1044.44
linux-ibm-5.15< 5.15.0-1091.94~20.04.1
linux-ibm-5.4All versions (No fix recorded)
linux-ibm-6.8< 6.8.0-1044.44~22.04.1
linux-intelAll versions (No fix recorded)
linux-intel-5.13All versions (No fix recorded)
linux-intel-iot-realtimeAll versions (No fix recorded) | < 5.15.0-1089.91
linux-intel-iotg< 5.15.0-1092.98
linux-intel-iotg-5.15< 5.15.0-1092.98~20.04.1
linux-iotAll versions (No fix recorded)
linux-kvmAll versions (No fix recorded) | < 5.15.0-1089.94
linux-lowlatency< 5.15.0-163.173 | < 6.8.0-100.100.1
linux-lowlatency-hwe-5.15< 5.15.0-163.173~20.04.1
linux-lowlatency-hwe-5.19All versions (No fix recorded)
linux-lowlatency-hwe-6.11All versions (No fix recorded)
linux-lowlatency-hwe-6.2All versions (No fix recorded)
linux-lowlatency-hwe-6.5All versions (No fix recorded)
linux-lowlatency-hwe-6.8< 6.8.0-100.100.1~22.04.1
linux-nvidia< 5.15.0-1092.93 | < 6.8.0-1046.49
linux-nvidia-6.11All versions (No fix recorded)
linux-nvidia-6.2All versions (No fix recorded)
linux-nvidia-6.5All versions (No fix recorded)
linux-nvidia-6.8< 6.8.0-1046.49~22.04.1
linux-nvidia-lowlatency< 6.8.0-1046.49.1
linux-nvidia-tegra< 5.15.0-1049.49 | < 6.8.0-1020.20
linux-nvidia-tegra-5.15< 5.15.0-1049.49~20.04.1
linux-nvidia-tegra-igx< 5.15.0-1038.38
linux-oemAll versions (No fix recorded)
linux-oem-5.10All versions (No fix recorded)
linux-oem-5.13All versions (No fix recorded)
linux-oem-5.14All versions (No fix recorded)
linux-oem-5.17All versions (No fix recorded)
linux-oem-5.6All versions (No fix recorded)
linux-oem-6.0All versions (No fix recorded)
linux-oem-6.1All versions (No fix recorded)
linux-oem-6.11All versions (No fix recorded)
linux-oem-6.14< 6.14.0-1016.16
linux-oem-6.5All versions (No fix recorded)
linux-oem-6.8All versions (No fix recorded)
linux-oracleAll versions (No fix recorded) | < 5.15.0-1094.100 | < 6.8.0-1043.44
linux-oracle-5.0All versions (No fix recorded)
linux-oracle-5.11All versions (No fix recorded)
linux-oracle-5.13All versions (No fix recorded)
linux-oracle-5.15< 5.15.0-1094.100~20.04.1
linux-oracle-5.3All versions (No fix recorded)
linux-oracle-5.4All versions (No fix recorded)
linux-oracle-5.8All versions (No fix recorded)
linux-oracle-6.14< 6.14.0-1017.17~24.04.1
linux-oracle-6.5All versions (No fix recorded)
linux-oracle-6.8< 6.8.0-1043.44~22.04.1
linux-raspiAll versions (No fix recorded) | < 5.15.0-1091.94 | < 6.8.0-1047.51
linux-raspi-5.4All versions (No fix recorded)
linux-raspi-realtimeAll versions (No fix recorded) | < 6.8.0-2037.38
linux-raspi2All versions (No fix recorded)
linux-realtimeAll versions (No fix recorded) | < 5.15.0-1096.105 | < 6.8.1-1041.42
linux-realtime-6.14< 6.14.0-1016.16~24.04.1
linux-realtime-6.8< 6.8.1-1041.42~22.04.1
linux-riscvAll versions (No fix recorded)
linux-riscv-5.11All versions (No fix recorded)
linux-riscv-5.15< 5.15.0-1092.96~20.04.1
linux-riscv-5.19All versions (No fix recorded)
linux-riscv-5.8All versions (No fix recorded)
linux-riscv-6.14< 6.14.0-36.36.1~24.04.1
linux-riscv-6.5All versions (No fix recorded)
linux-riscv-6.8< 6.8.0-100.100~22.04.1
linux-starfive-5.19All versions (No fix recorded)
linux-starfive-6.2All versions (No fix recorded)
linux-starfive-6.5All versions (No fix recorded)
linux-xilinx< 6.8.0-1023.24
linux-xilinx-zynqmpAll versions (No fix recorded) | < 5.15.0-1061.65

Show all 143

Debian2 products

linux< 6.1.148-1 | < 6.12.43-1 | < 6.16.3-1
debian_linuxEOL11.0

Linux2 products

linux≥ c9b9dcb430b3cd0ad2b04c360c4e528d73430481, < 9053a69abfb5680c2a95292b96df5d204bc0776f | ≥ c9b9dcb430b3cd0ad2b04c360c4e528d73430481, < eebb225fe6c9103293807b8edabcbad59f9589bc | ≥ c9b9dcb430b3cd0ad2b04c360c4e528d73430481, < 62d7cf455c887941ed6f105cd430ba04ee0b6c9f | ≥ c9b9dcb430b3cd0ad2b04c360c4e528d73430481, < 4249f1307932f1b6bbb8b7eba60d82f0b7e44430 | ≥ c9b9dcb430b3cd0ad2b04c360c4e528d73430481, < 3046b011d368162b1b9ca9453eee0fea930e0a93 | ≥ c9b9dcb430b3cd0ad2b04c360c4e528d73430481, < da899a1fd7c40e2e4302af1db7d0b8540fb22283 | ≥ c9b9dcb430b3cd0ad2b04c360c4e528d73430481, < 70f238c902b8c0461ae6fbb8d1a0bbddc4350eea | 5.4
linux_kernel≥ 5.4, < 5.15.190 | ≥ 5.16, < 6.1.148 | ≥ 6.2, < 6.6.102 | ≥ 6.7, < 6.12.42 | ≥ 6.13, < 6.15.10 | ≥ 6.16, < 6.16.1

3 vendors · 147 products