🛡️ CVE-2025-38053 — kernel

🟡 CVSS 5.5 — Medium ✅ No Known Exploit NVD
5.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

idpf: fix null-ptr-deref in idpf_features_check

In the Linux kernel, the following vulnerability has been resolved:

idpf: fix null-ptr-deref in idpf_features_check

idpf_features_check is used to validate the TX packet. skb header

length is compared with the hardware supported value received from

the device control plane. The value is stored in the adapter structure

and to access it, vport pointer is used. During reset all the vports

are released and the vport pointer that the netdev private structure

points to is NULL.

To avoid null-ptr-deref, store the max header length value in netdev

private structure. This also helps to cache the value and avoid

accessing adapter pointer in hot path.

BUG: kernel NULL pointer dereference, address: 0000000000000068

...

RIP: 0010:idpf_features_check+0x6d/0xe0 [idpf]

Call Trace:

<TASK>

? __die+0x23/0x70

? page_fault_oops+0x154/0x520

? exc_page_fault+0x76/0x190

? asm_exc_page_fault+0x26/0x30

? idpf_features_check+0x6d/0xe0 [idpf]

netif_skb_features+0x88/0x310

validate_xmit_skb+0x2a/0x2b0

validate_xmit_skb_list+0x4c/0x70

sch_direct_xmit+0x19d/0x3a0

__dev_queue_xmit+0xb74/0xe70

...

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.

Affected software

CVE-2025-38053 is recorded against 2 packages.

  • kernel (from 6.13.0 up to 6.14.9)
  • linux-kernel

Timeline and source

Published on 18 June 2025 and last revised on 15 July 2026. No public exploit is currently recorded for this entry. A vendor advisory or fix has been published. Record sourced from NVD.

References

git.kernel.org (Web)
git.kernel.org (Web)
git.kernel.org (Web)
github.com (Advisory)
nvd.nist.gov (Advisory)
git.kernel.org (Package)

CVE-2025-38053 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity Medium
CVSS Score 5.5
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE N/A
Public Exploit ✅ No
Source NVD
Published 2025-06-18
Updated 2026-08-12
Modified 2026-07-15

Affected Packages

Software From version Fixed in
kernel 6.13.0 6.14.9
linux-kernel — —

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