CVE-2025-38203NULL Pointer Dereference in Linux

Severity
5.5MEDIUMNVD
OSV5.6
EPSS
0.0%
top 92.84%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedJul 4
Latest updateDec 3

Description

In the Linux kernel, the following vulnerability has been resolved: jfs: Fix null-ptr-deref in jfs_ioc_trim [ Syzkaller Report ] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000087: 0000 [#1 KASAN: null-ptr-deref in range [0x0000000000000438-0x000000000000043f] CPU: 2 UID: 0 PID: 10614 Comm: syz-executor.0 Not tainted 6.13.0-rc6-gfbfd64d25c7a-dirty #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014 Sched_ext: serialise (enabled

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 Packages4 packages

NVDlinux/linux_kernel3.75.4.295+3
Debianlinux/linux_kernel< 5.10.244-1+1
Ubuntulinux/linux_kernel< 5.15.0-156.166
CVEListV5linux/linuxb40c2e665cd552eae5fbdbb878bc29a34357668e0d50231d473f89024158dc62624930de45d13718+5

Also affects: Debian Linux 11.0

Patches

🔴Vulnerability Details

18
OSV
linux, linux-aws, linux-aws-5.15, linux-gcp, linux-gcp-5.15, linux-gke, linux-gkeop, linux-hwe-5.15, linux-ibm, linux-ibm-5.15, linux-intel-iotg, linux-intel-iotg-5.15, linux-lowlatency, linux-lowlate2025-12-03
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

📋Vendor Advisories

19
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-2025-38203 — NULL Pointer Dereference in Linux | cvebase