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CVE-2023-53372 Detail

Description

In the Linux kernel, the following vulnerability has been resolved: sctp: fix a potential overflow in sctp_ifwdtsn_skip Currently, when traversing ifwdtsn skips with _sctp_walk_ifwdtsn, it only checks the pos against the end of the chunk. However, the data left for the last pos may be < sizeof(struct sctp_ifwdtsn_skip), and dereference it as struct sctp_ifwdtsn_skip may cause coverflow. This patch fixes it by checking the pos against "the end of the chunk - sizeof(struct sctp_ifwdtsn_skip)" in sctp_ifwdtsn_skip, similar to sctp_fwdtsn_skip.


Metrics

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CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

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URL Source(s) Tag(s)
https://git.kernel.org/stable/c/32832a2caf82663870126c5186cf8f86c8b2a649 kernel.org
https://git.kernel.org/stable/c/4fbd094d4131a10d06a45d64158567052a35b3f4 kernel.org
https://git.kernel.org/stable/c/5c9367ac5a22d71841bcd00130f9146c9b227d57 kernel.org
https://git.kernel.org/stable/c/6109f5b13ce3e3e537db6f18976ec0e9118d1c6f kernel.org
https://git.kernel.org/stable/c/79b28f42214a3d0d6a8c514db3602260bd5d6cb5 kernel.org
https://git.kernel.org/stable/c/ad831a7079c99c01e801764b53bc9997c2e9c0f7 kernel.org
https://git.kernel.org/stable/c/ad988e9b5ff04607e624a459209e8c2d0c15fc73 kernel.org

Weakness Enumeration

CWE-ID CWE Name Source

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2023-53372
NVD Published Date:
09/18/2025
NVD Last Modified:
09/18/2025
Source:
kernel.org