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Review reviewHigh

CVE-2024-38587

Linux Linux, RUGGEDCOM RST2428P, SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family

In the Linux kernel, the following vulnerability has been resolved: speakup: Fix sizeof() vs ARRAY_SIZE() bug The "buf" pointer is an array of u16 values. This code should be using ARRAY_SIZE() (which is 256) instead of sizeof() (which is 512), otherwise it can the still got out of bounds.

CVSS
7.8
EPSS
0.79%
52.7% percentile
CISA KEV
Not listed
Published
2024.06.19
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.79%
Technical severityCVSS 7.8

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: speakup: Fix sizeof() vs ARRAY_SIZE() bug The "buf" pointer is an array of u16 values. This code should be using ARRAY_SIZE() (which is 256) instead of sizeof() (which is 512), otherwise it can the still got out of bounds.

Affected product and versions

Product
Linux Linux, RUGGEDCOM RST2428P, SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family
Affected versions
>= 756c5cb7c09e537b87b5d3acafcb101b2ccf394f < 42f0a3f67158ed6b2908d2b9ffbf7e96d23fd358, >= 8f6b62125befe1675446923e4171eac2c012959c < cd7f3978c2ec741aedd1d860b2adb227314cf996, >= 6401038acfa24cba9c28cce410b7505efadd0222 < 07ef95cc7a579731198c93beed281e3a79a0e586, >= 0d130158db29f5e0b3893154908cf618896450a8 < 504178fb7d9f6cdb0496d5491efb05f45597e535, >= 89af25bd4b4bf6a71295f07e07a8ae7dc03c6595 < 3726f75a1ccc16cd335c0ccfad1d92ee08ecba5e, >= 8defb1d22ba0395b81feb963b96e252b097ba76f < c6e1650cf5df1bd6638eeee231a683ef30c7d4eb, >= 0efb15c14c493263cb3a5f65f5ddfd4603d19a76 < eb1ea64328d4cc7d7a912c563f8523d5259716ef, >= c8d2f34ea96ea3bce6ba2535f867f0d4ee3b22e1 < d52c04474feac8e305814a5228e622afe481b2ef, >= c8d2f34ea96ea3bce6ba2535f867f0d4ee3b22e1 < 008ab3c53bc4f0b2f20013c8f6c204a3203d0b8b, >= 4.19.313 < 4.19.316, >= 5.4.275 < 5.4.278, >= 5.10.216 < 5.10.219, >= 5.15.157 < 5.15.161, >= 6.1.88 < 6.1.93, >= 6.6.29 < 6.6.33, >= 6.8.8 < 6.8.12, >= 6.9, < V3.1, >= 6.9 < 6.9.3
Fixed versions
4.19.316, 5.4.278, 5.10.219, 5.15.161, 6.1.93, 6.6.33, 6.8.12, 6.9.3

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Linux Linux, RUGGEDCOM RST2428P, SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-129