CVE-2025-38077

platform/x86: dell-wmi-sysman: Avoid buffer overflow in current_password_store()

HIGH
7.8
CVSS Score
Published: June 18, 2025 at 09:33 AM UTC
Updated: June 17, 2026 at 09:16 AM UTC
2 products affected across 2 vendorsLinux KernelDebian Linux

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Severity
HIGH7.8
Exploit prediction
EPSS 0.2%

Description

In the Linux kernel, the following vulnerability has been resolved: platform/x86: dell-wmi-sysman: Avoid buffer overflow in current_password_store() If the 'buf' array received from the user contains an empty string, the 'length' variable will be zero. Accessing the 'buf' array element with index 'length - 1' will result in a buffer overflow. Add a check for an empty string. Found by Linux Verification Center (linuxtesting.org) with SVACE.

Affected

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

5.11 ≤ v < 5.15.1855.11 ≤ v < 6.1.1415.11 ≤ v < 6.12.315.11 ≤ v < 6.14.95.11 ≤ v < 6.155.11 ≤ v < 6.6.935.16 ≤ v < 6.1.1416.13 ≤ v < 6.14.96.2 ≤ v < 6.6.936.7 ≤ v < 6.12.315.116.15 rc16.15 rc26.15 rc36.15 rc46.15 rc56.15 rc66.15 rc7e8a60aa7404bfef37705da5607c97737073ac38d
Vendor states this is fixed in 4e89a4077490f52cde652d17e32519b666abf3a6 (fixed)
Vendor states this is fixed in 60bd13f8c4b3de2c910ae1cdbef85b9bbc9685f5 (fixed)
Vendor states this is fixed in 8594a123cfa23d708582dc6fb36da34479ef8a5b (fixed)
Vendor states this is fixed in 97066373ffd55bd9af0b512ff3dd1f647620a3dc (fixed)
Vendor states this is fixed in f86465626917df3b8bdd2756ec0cc9d179c5af0f (fixed)
Vendor states this is fixed in fb7cde625872709b8cedad9b241e0ec3d82fa7d3 (fixed)
Vendor states this is fixed in 5.11 (unaffected)
Vendor states this is fixed in 5.15.185 (unaffected)
Vendor states this is fixed in 6.1.141 (unaffected)
Vendor states this is fixed in 6.12.31 (unaffected)
Vendor states this is fixed in 6.14.9 (unaffected)
Vendor states this is fixed in 6.15 (unaffected)
Vendor states this is fixed in 6.6.93 (unaffected)

References (7)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/4e89a4077490f52cde652d17e32519b666abf3a6
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/60bd13f8c4b3de2c910ae1cdbef85b9bbc9685f5
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/8594a123cfa23d708582dc6fb36da34479ef8a5b
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/97066373ffd55bd9af0b512ff3dd1f647620a3dc
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/f86465626917df3b8bdd2756ec0cc9d179c5af0f
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/fb7cde625872709b8cedad9b241e0ec3d82fa7d3
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html

CVSS

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

Quick Info

StatusANALYZED
CWE
CWE-787

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