CVE-2025-38482 Affecting kernel-source-coco package, versions <6.4.0-15061.28.coco15sp6.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.04% (9th percentile)

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  • Snyk IDSNYK-SLES156-KERNELSOURCECOCO-12100523
  • published21 Aug 2025
  • disclosed20 Aug 2025

Introduced: 20 Aug 2025

CVE-2025-38482  (opens in a new tab)

How to fix?

Upgrade SLES:15.6 kernel-source-coco to version 6.4.0-15061.28.coco15sp6.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-source-coco package and not the kernel-source-coco package as distributed by SLES. See How to fix? for SLES:15.6 relevant fixed versions and status.

In the Linux kernel, the following vulnerability has been resolved:

comedi: das6402: Fix bit shift out of bounds

When checking for a supported IRQ number, the following test is used:

/* IRQs 2,3,5,6,7, 10,11,15 are valid for &#34;enhanced&#34; mode */
if ((1 &lt;&lt; it-&gt;options[1]) &amp; 0x8cec) {

However, it-&gt;options[i] is an unchecked int value from userspace, so the shift amount could be negative or out of bounds. Fix the test by requiring it-&gt;options[1] to be within bounds before proceeding with the original test. Valid it-&gt;options[1] values that select the IRQ will be in the range [1,15]. The value 0 explicitly disables the use of interrupts.

CVSS Base Scores

version 3.1