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🛡️ CVE-2025-38298 — debian-linux

🟠 CVSS 7.8 — High ✅ No Known Exploit CWE-787 NVD
7.8
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

EDAC/skx_common: Fix general protection fault

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

EDAC/skx_common: Fix general protection fault

After loading i10nm_edac (which automatically loads skx_edac_common), if

unload only i10nm_edac, then reload it and perform error injection testing,

a general protection fault may occur:

mce: [Hardware Error]: Machine check events logged

Oops: general protection fault ...

...

Workqueue: events mce_gen_pool_process

RIP: 0010:string+0x53/0xe0

...

Call Trace:

<TASK>

? die_addr+0x37/0x90

? exc_general_protection+0x1e7/0x3f0

? asm_exc_general_protection+0x26/0x30

? string+0x53/0xe0

vsnprintf+0x23e/0x4c0

snprintf+0x4d/0x70

skx_adxl_decode+0x16a/0x330 [skx_edac_common]

skx_mce_check_error.part.0+0xf8/0x220 [skx_edac_common]

skx_mce_check_error+0x17/0x20 [skx_edac_common]

...

The issue arose was because the variable 'adxl_component_count' (inside

skx_edac_common), which counts the ADXL components, was not reset. During

the reloading of i10nm_edac, the count was incremented by the actual number

of ADXL components again, resulting in a count that was double the real

number of ADXL components. This led to an out-of-bounds reference to the

ADXL component array, causing the general protection fault above.

Fix this issue by resetting the 'adxl_component_count' in adxl_put(),

which is called during the unloading of {skx,i10nm}_edac.

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

CVE-2025-38298 is classified as CWE-787: Out-of-bounds Write. Data is written past the end or before the start of a buffer, corrupting whatever is stored there.

Affected software

CVE-2025-38298 is recorded against 3 packages.

  • debian-linux
  • kernel (from 6.11.0 up to 6.15.3)
  • linux-kernel (from 6.13 up to 6.15.3)

Timeline and source

Published on 10 July 2025 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. A vendor advisory or fix has been published. Record sourced from NVD.

References

git.kernel.org
git.kernel.org
git.kernel.org
git.kernel.org
git.kernel.org
git.kernel.org
git.kernel.org
git.kernel.org
lists.debian.org
lists.debian.org

CVE-2025-38298 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity HIGH
CVSS Score 7.8
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE CWE-787
Public Exploit ✅ No
Source NVD
Published 2025-07-10
Updated 2026-08-20
Modified 2026-06-17

Affected Packages

Software From version Fixed in
debian-linux — —
kernel 6.11.0 6.15.3
linux-kernel 6.13 6.15.3

References

Similar Threats

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