UnratedFix available
dccp: Fix out of bounds access in DCCP error handler
Type: advisorySources: OSV
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.
- Products
- Kernel
- Affected versions
- Not specified
- Fixed versions
- 4.14.326, 4.19.295, 5.10.195, 5.15.132, 5.4.257, 6.1.53, 6.4.16, 6.5.3
- CVEs
- CVE-2023-53782
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 28 Oct 2026, 08:57 UTC · Revision 1
Source evidence
dccp: Fix out of bounds access in DCCP error handler
core-osv · Original sourcePublished 9 Dec 2025, 00:00 UTC
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.
osv:CVE-2023-53782
Kernel
Fixed versions: 4.14.326, 4.19.295, 5.4.257, 5.10.195, 5.15.132, 6.1.53, 6.4.16, 6.5.3
Complete source record
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"title": "dccp: Fix out of bounds access in DCCP error handler",
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