CVE-2025-37803

udmabuf: fix a buf size overflow issue during udmabuf creation

HIGH
7.8
CVSS Score
Published: May 8, 2025 at 06:26 AM UTC
Updated: June 17, 2026 at 09:15 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH7.8
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: udmabuf: fix a buf size overflow issue during udmabuf creation by casting size_limit_mb to u64 when calculate pglimit.

Affected

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

v < 5.4.2934.20 ≤ v < 5.10.2374.20 ≤ v < 5.15.1814.20 ≤ v < 5.4.2934.20 ≤ v < 6.1.1364.20 ≤ v < 6.12.574.20 ≤ v < 6.14.54.20 ≤ v < 6.154.20 ≤ v < 6.6.895.11 ≤ v < 5.15.1815.16 ≤ v < 6.1.1365.5 ≤ v < 5.10.2376.2 ≤ v < 6.6.896.7 ≤ v < 6.14.56.15 rc1fbb0de795078190a9834b3409e4b009cfb18a6d4
Vendor states this is fixed in 021ba7f1babd029e714d13a6bf2571b08af96d0f (fixed)
Vendor states this is fixed in 13fe12c037b470321436deec393030c6153cfeb9 (fixed)
Vendor states this is fixed in 29b65a3171a49c9b69f31035146be966cec40b7a (fixed)
Vendor states this is fixed in 2b8419c6ecf69007dcff54ea0b9f0b215282c55a (fixed)
Vendor states this is fixed in 373512760e13fdaa726faa9502d0f5be2abb3d33 (fixed)
Vendor states this is fixed in 3f6c9d66e0f8eb9679b57913aa64b4d2266f6fbe (fixed)
Vendor states this is fixed in b2ff4e9c599b000833d16a917f519aa2e4a75de2 (fixed)
Vendor states this is fixed in e84a08fc7e25cdad5d9a3def42cc770ff711193f (fixed)
Vendor states this is fixed in 4.20 (unaffected)
Vendor states this is fixed in 5.10.237 (unaffected)
Vendor states this is fixed in 5.15.181 (unaffected)
Vendor states this is fixed in 5.4.293 (unaffected)
Vendor states this is fixed in 6.1.136 (unaffected)
Vendor states this is fixed in 6.12.57 (unaffected)
Vendor states this is fixed in 6.14.5 (unaffected)
Vendor states this is fixed in 6.15 (unaffected)
Vendor states this is fixed in 6.6.89 (unaffected)

References (10)

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

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

CVSS

7.8HIGHCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-120

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