CVE-2025-38653

HIGH EPSS 4.9%
Published Aug 22, 202510mo ago · Modified Jun 17, 20261w ago
7.8 CVSS 3.1
High
Find Similar
Published Aug 22, 2025 10mo ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: proc: use the same treatment to check proc_lseek as ones for proc_read_iter et.al Check pde->proc_ops->proc_lseek directly may cause UAF in rmmod scenario. It's a gap in proc_reg_open() after commit 654b33ada4ab("proc: fix UAF in proc_get_inode()"). Followed by AI Viro's suggestion, fix it in same manner.

CVSS Details

Base Score
7.8
Exploitability
1.8
Impact
5.9
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
4.9% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-416 Use After Free Memory Safety

Affected Products 6

VendorProductVersionRange
linuxlinux_kernel*≥6.0  –  <6.1.148
linuxlinux_kernel*≥6.2  –  <6.6.102
linuxlinux_kernel*≥6.7  –  <6.12.42
linuxlinux_kernel*≥6.13  –  <6.15.10
linuxlinux_kernel*≥6.16  –  <6.16.1
debiandebian_linux11.0any

References 7

  • git.kernel.org https://git.kernel.org/stable/c/1fccbfbae1dd36198dc47feac696563244ad81d3
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/33c778ea0bd0fa62ff590497e72562ff90f82b13
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/c35b0feb80b48720dfbbf4e33759c7be3faaebb6
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/d136502e04d8853a9aecb335d07bbefd7a1519a8
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/fc1072d934f687e1221d685cf1a49a5068318f34
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/ff7ec8dc1b646296f8d94c39339e8d3833d16c05
    Patch
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html
    Third Party Advisory

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/1fccbfbae1dd36198dc47feac696563244ad81d3
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/33c778ea0bd0fa62ff590497e72562ff90f82b13
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/c35b0feb80b48720dfbbf4e33759c7be3faaebb6
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/d136502e04d8853a9aecb335d07bbefd7a1519a8
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/fc1072d934f687e1221d685cf1a49a5068318f34
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/ff7ec8dc1b646296f8d94c39339e8d3833d16c05
    Patch