Bug 2363750 (CVE-2023-53080) - CVE-2023-53080 kernel: xsk: Add missing overflow check in xdp_umem_reg
Summary: CVE-2023-53080 kernel: xsk: Add missing overflow check in xdp_umem_reg
Keywords:
Status: NEW
Alias: CVE-2023-53080
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-05-02 16:04 UTC by OSIDB Bzimport
Modified: 2025-05-05 05:00 UTC (History)
4 users (show)

Fixed In Version:
Clone Of:
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Description OSIDB Bzimport 2025-05-02 16:04:14 UTC 
In the Linux kernel, the following vulnerability has been resolved:

xsk: Add missing overflow check in xdp_umem_reg

The number of chunks can overflow u32. Make sure to return -EINVAL on
overflow. Also remove a redundant u32 cast assigning umem->npgs.
Comment 1 Avinash Hanwate 2025-05-05 04:49:20 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025050216-CVE-2023-53080-1a45@gregkh/T
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