dccp: Fix out of bounds access in DCCP error handler
There was a previous attempt to fix an out-of-bounds access in the DCCP
error handlers, but that fix assumed that the error handlers only want
to access the first 8 bytes of the DCCP header. Actually, they also look
at the DCCP sequence number, which is stored beyond 8 bytes, so an
explicit pskb_may_pull() is required.
Analysis
Analysis and contextual insights are available on OpenCVE Cloud.
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
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| Linux | Linux | unaffected |
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| Linux | Linux | affected |
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No data.
No data.
No data available yet.
No vendor fix or workaround currently provided.
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Tracking
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Wed, 17 Dec 2025 12:15:00 +0000
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| Metrics |
threat_severity
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cvssV3_1
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Tue, 09 Dec 2025 00:30:00 +0000
| Type | Values Removed | Values Added |
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| Description | In the Linux kernel, the following vulnerability has been resolved: dccp: Fix out of bounds access in DCCP error handler There was a previous attempt to fix an out-of-bounds access in the DCCP error handlers, but that fix assumed that the error handlers only want to access the first 8 bytes of the DCCP header. Actually, they also look at the DCCP sequence number, which is stored beyond 8 bytes, so an explicit pskb_may_pull() is required. | |
| Title | dccp: Fix out of bounds access in DCCP error handler | |
| First Time appeared |
Linux
Linux linux Kernel |
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| CPEs | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Linux
Linux linux Kernel |
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| References |
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MITRE
Status: PUBLISHED
Assigner: Linux
Published:
Updated: 2026-05-23T15:30:57.721Z
Reserved: 2025-12-08T23:58:35.272Z
Link: CVE-2023-53782
Vulnrichment
No data.
NVD
Status : Deferred
Published: 2025-12-09T01:16:49.407
Modified: 2026-04-15T00:35:42.020
Link: CVE-2023-53782
Redhat
OpenCVE Enrichment
No data.
No weakness.