CVE-2025-38095

MEDIUM EPSS 6.3%
Published Jul 3, 202512mo ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Jul 3, 2025 12mo ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: dma-buf: insert memory barrier before updating num_fences smp_store_mb() inserts memory barrier after storing operation. It is different with what the comment is originally aiming so Null pointer dereference can be happened if memory update is reordered.

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
6.3% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-476 NULL Pointer Dereference Memory Safety

Affected Products 13

VendorProductVersionRange
linuxlinux_kernel*≥5.0  –  <5.10.241
linuxlinux_kernel*≥5.11  –  <5.15.192
linuxlinux_kernel*≥5.16  –  <6.1.140
linuxlinux_kernel*≥6.2  –  <6.6.92
linuxlinux_kernel*≥6.7  –  <6.12.30
linuxlinux_kernel*≥6.13  –  <6.14.8
linuxlinux_kernel6.15any
linuxlinux_kernel6.15any
linuxlinux_kernel6.15any
linuxlinux_kernel6.15any
linuxlinux_kernel6.15any
linuxlinux_kernel6.15any
debiandebian_linux11.0any

References 9

  • git.kernel.org https://git.kernel.org/stable/c/08680c4dadc6e736c75bc2409d833f03f9003c51
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/3becc659f9cb76b481ad1fb71f54d5c8d6332d3f
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/72c7d62583ebce7baeb61acce6057c361f73be4a
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/90eb79c4ed98a4e24a62ccf61c199ab0f680fa8f
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/c9d2b9a80d06a58f37e0dc8c827075639b443927
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/d0b7f11dd68b593bd970e5735be00e8d89bace30
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/fe1bebd0edb22e3536cbc920ec713331d1367ad4
    Patch
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/08/msg00010.html
    Mailing ListThird Party Advisory
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html
    Mailing ListThird Party Advisory

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/08680c4dadc6e736c75bc2409d833f03f9003c51
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/3becc659f9cb76b481ad1fb71f54d5c8d6332d3f
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/72c7d62583ebce7baeb61acce6057c361f73be4a
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/90eb79c4ed98a4e24a62ccf61c199ab0f680fa8f
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/c9d2b9a80d06a58f37e0dc8c827075639b443927
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/d0b7f11dd68b593bd970e5735be00e8d89bace30
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/fe1bebd0edb22e3536cbc920ec713331d1367ad4
    Patch