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CVE-2023-53080

xsk: Add missing overflow check in xdp_umem_reg

MEDIUM
5.5
CVSS Score
Published: May 2, 2025 at 03:55 PM UTC
Updated: October 15, 2026 at 10:17 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
95%
4.18 ≤ v < 5.10.1775.11 ≤ v < 5.15.1055.16 ≤ v < 6.1.226.2 ≤ v < 6.2.96.36.3 rc16.3 rc26.3 rc3bbff2f321a864ee07c9d3d1245af498023146951
Vendor states this is fixed in 3cfc3564411acf96bf2fb791f706a1aa4f872c1d (fixed)
Vendor states this is fixed in 580634b03a55f04a3c1968bcbd97736c079c6601 (fixed)
Vendor states this is fixed in a069909acc4435eeb41d05ccc03baa447cc01b7e (fixed)
Vendor states this is fixed in bb2e3bfb2a79db0c2057c6f701b782954394c67f (fixed)
Vendor states this is fixed in c7df4813b149362248d6ef7be41a311e27bf75fe (fixed)
Vendor states this is fixed in 4.18 (unaffected)
Vendor states this is fixed in 5.10.177 (unaffected)
Vendor states this is fixed in 5.15.105 (unaffected)
Vendor states this is fixed in 6.1.22 (unaffected)
Vendor states this is fixed in 6.2.9 (unaffected)
Vendor states this is fixed in 6.3 (unaffected)

References (5)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/3cfc3564411acf96bf2fb791f706a1aa4f872c1d
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/580634b03a55f04a3c1968bcbd97736c079c6601
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/a069909acc4435eeb41d05ccc03baa447cc01b7e
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/bb2e3bfb2a79db0c2057c6f701b782954394c67f
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/c7df4813b149362248d6ef7be41a311e27bf75fe

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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