CVE-2025-38441 — Use of Uninitialized Resource in Linux

CWE-908 — Use of Uninitialized Resource66 documents8 sources
Severity
5.5MEDIUMNVD
OSV3.2
EPSS
0.0%
top 93.75%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
LinuxLinux KernelDebian Linux
Timeline
PublishedJul 25
Latest updateMar 25

Description

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: account for Ethernet header in nf_flow_pppoe_proto() syzbot found a potential access to uninit-value in nf_flow_pppoe_proto() Blamed commit forgot the Ethernet header. BUG: KMSAN: uninit-value in nf_flow_offload_inet_hook+0x7e4/0x940 net/netfilter/nf_flow_table_inet.c:27 nf_flow_offload_inet_hook+0x7e4/0x940 net/netfilter/nf_flow_table_inet.c:27 nf_hook_entry_hookfn include/linux/netfilter.h:157 [inline…

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_kernel5.15.157 — 5.15.189+7
▶Debianlinux/linux_kernel< 6.1.147-1+2
▶Ubuntulinux/linux_kernel< 5.15.0-156.166+1
▶CVEListV5linux/linuxd06977b9a4109f8738bb276125eb6a0b772bc433 — a3aea97d55964e70a1e6426aa4cafdc036e8a2dd+7

Also affects: Debian Linux 11.0

Patches

Patch: git.kernel.org ↗Patch: git.kernel.org ↗Patch: git.kernel.org ↗

🔴Vulnerability Details

34
OSV
linux-azure-6.8 vulnerabilities↗2026-03-25
▶
OSV
linux-azure-fips vulnerabilities↗2026-03-04
▶
OSV
linux-azure vulnerabilities↗2026-03-04
▶
OSV
linux-ibm, linux-ibm-6.8 vulnerabilities↗2026-02-24
▶
OSV
linux-xilinx vulnerabilities↗2026-02-24
▶

📋Vendor Advisories

31
Ubuntu
Linux kernel (Azure) vulnerabilities↗2026-03-25
▶
Ubuntu
Linux kernel (Azure) vulnerabilities↗2026-03-04
▶
Ubuntu
Linux kernel (Azure FIPS) vulnerabilities↗2026-03-04
▶
Ubuntu
Linux kernel (Xilinx) vulnerabilities↗2026-02-24
▶
Ubuntu
Linux kernel (IBM) vulnerabilities↗2026-02-24
▶
CVE-2025-38441 — Use of Uninitialized Resource in Linux | cvebase