CVE-2025-38196Improper Validation of Specified Index, Position, or Offset in Input in Linux

Severity
5.5MEDIUMNVD
OSV5.6
EPSS
0.1%
top 77.93%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedJul 4
Latest updateNov 4

Description

In the Linux kernel, the following vulnerability has been resolved: io_uring/rsrc: validate buffer count with offset for cloning syzbot reports that it can trigger a WARN_ON() for kmalloc() attempt that's too big: WARNING: CPU: 0 PID: 6488 at mm/slub.c:5024 __kvmalloc_node_noprof+0x520/0x640 mm/slub.c:5024 Modules linked in: CPU: 0 UID: 0 PID: 6488 Comm: syz-executor312 Not tainted 6.15.0-rc7-syzkaller-gd7fa1af5b33e #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine,

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages3 packages

NVDlinux/linux_kernel6.136.15.4+1
CVEListV5linux/linuxb16e920a1909da6799c43000db730d8fcdcae9070e23ac818f3afb16660b0ba384875d56a7013879+2
debiandebian/linux

Patches

🔴Vulnerability Details

8
OSV
linux-hwe-6.14 vulnerabilities2025-11-04
OSV
linux-gcp-6.14 vulnerabilities2025-10-31
OSV
linux-aws-6.14 vulnerabilities2025-10-24
OSV
linux-realtime-6.14 vulnerabilities2025-10-22
OSV
linux-azure, linux-azure-6.14, linux-azure-nvidia-6.14 vulnerabilities2025-10-22

📋Vendor Advisories

8
Ubuntu
Linux kernel (HWE) vulnerabilities2025-11-04
Ubuntu
Linux kernel (GCP) vulnerabilities2025-10-31
Ubuntu
Linux kernel (AWS) vulnerabilities2025-10-24
Ubuntu
Linux kernel (Azure) vulnerabilities2025-10-22
Ubuntu
Linux kernel (Real-time) vulnerabilities2025-10-22
CVE-2025-38196 — Linux vulnerability | cvebase