CVE-2023-53432
BaseFortify
Publication date: 2025-09-18
Last updated on: 2025-12-11
Assigner: kernel.org
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| linux | linux_kernel | to 5.15.128 (exc) |
| linux | linux_kernel | From 5.16 (inc) to 6.1.47 (exc) |
| linux | linux_kernel | From 6.2 (inc) to 6.4.12 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-416 | The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a use-after-free issue in the Linux kernel's FireWire networking code, specifically in the function fwnet_finish_incoming_packet(). The problem occurs because the netif_rx() function frees a network buffer (skb), but the code attempts to access the freed buffer's length afterwards, which can lead to undefined behavior or crashes.
How can this vulnerability impact me? :
The use-after-free vulnerability can cause system instability, crashes, or potentially allow an attacker to execute arbitrary code or cause denial of service by exploiting the improper handling of network packets in the FireWire networking subsystem.