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DEBIAN-CVE-2025-40053

HighCVSS 7.5 / 10
Published Oct 28, 2025·Last modified Jul 30, 2026
Affected Components(0)

No affected components available

Description

In the Linux kernel, the following vulnerability has been resolved: net: dlink: handle copy_thresh allocation failure The driver did not handle failure of netdev_alloc_skb_ip_align(). If the allocation failed, dereferencing skb->protocol could lead to a NULL pointer dereference. This patch tries to allocate skb. If the allocation fails, it falls back to the normal path. Tested-on: D-Link DGE-550T Rev-A3

Risk Scores
Base Score
7.5

The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker does not need any special privileges or access rights. No user interaction is needed for the attacker to exploit this vulnerability. The impact is confined to the system where the vulnerability exists. There is a high impact on the availability of the system.

Threat Intelligence
6.9

Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.

EPSS
N/A

Probability that this vulnerability will be exploited in the wild within the next 30 days.

Exploit
Not available

We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.

Related Vulnerabilities
  • CVE-2025-40053
    Upstream
  • EUVD-2025-36475
    Upstream

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High severity
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