CVE-2023-53372
BaseFortify
Publication date: 2025-09-18
Last updated on: 2025-12-12
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 | From 4.16 (inc) to 4.19.281 (exc) |
| linux | linux_kernel | From 4.20 (inc) to 5.4.241 (exc) |
| linux | linux_kernel | From 5.5 (inc) to 5.10.178 (exc) |
| linux | linux_kernel | From 5.11 (inc) to 5.15.108 (exc) |
| linux | linux_kernel | From 5.16 (inc) to 6.1.25 (exc) |
| linux | linux_kernel | From 6.2 (inc) to 6.2.12 (exc) |
| linux | linux_kernel | 6.3 |
| linux | linux_kernel | 6.3 |
| linux | linux_kernel | 6.3 |
| linux | linux_kernel | 6.3 |
| linux | linux_kernel | 6.3 |
| linux | linux_kernel | 6.3 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-787 | The product writes data past the end, or before the beginning, of the intended buffer. |
Attack-Flow Graph
AI Powered Q&A
How can this vulnerability impact me? :
This vulnerability could lead to memory corruption or overflow in the Linux kernel when handling SCTP packets, potentially causing system instability, crashes, or enabling an attacker to execute arbitrary code or escalate privileges.
Can you explain this vulnerability to me?
This vulnerability is a potential overflow in the Linux kernel's SCTP (Stream Control Transmission Protocol) implementation. Specifically, when processing certain data structures called ifwdtsn skips, the code does not properly check the size of the remaining data before dereferencing it as a struct sctp_ifwdtsn_skip. This can cause an overflow because the last position may have less data than the size of the structure, leading to unsafe memory access. The fix involves adding a proper boundary check to prevent this overflow.