CVE-2024-38587
Medium
Elevated severity or exploit probability.
CVSS base
7.8
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS — probability of exploitation (30 days)
0.8%
54.6th percentile
CISA KEV
Not listed
Weakness / dates
CWE-129
Published 2024-06-19 · modified 2026-08-04
CVSS breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
| Attack Vector | L | Local |
| Attack Complexity | L | Low |
| Privileges Required | L | Low |
| User Interaction | N | None |
| Scope | U | Unchanged |
| Confidentiality | H | High |
| Integrity | H | High |
| Availability | H | High |
Timeline
- 2024-06-19 — Published (NVD)
- 2026-08-04 — Last modified (NVD)
Description
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
References
- https://git.kernel.org/stable/c/008ab3c53bc4f0b2f20013c8f6c204a3203d0b8b
- https://git.kernel.org/stable/c/07ef95cc7a579731198c93beed281e3a79a0e586
- https://git.kernel.org/stable/c/3726f75a1ccc16cd335c0ccfad1d92ee08ecba5e
- https://git.kernel.org/stable/c/42f0a3f67158ed6b2908d2b9ffbf7e96d23fd358
- https://git.kernel.org/stable/c/504178fb7d9f6cdb0496d5491efb05f45597e535
- https://git.kernel.org/stable/c/c6e1650cf5df1bd6638eeee231a683ef30c7d4eb
- https://git.kernel.org/stable/c/cd7f3978c2ec741aedd1d860b2adb227314cf996
- https://git.kernel.org/stable/c/d52c04474feac8e305814a5228e622afe481b2ef
- https://git.kernel.org/stable/c/eb1ea64328d4cc7d7a912c563f8523d5259716ef
- https://git.kernel.org/stable/c/008ab3c53bc4f0b2f20013c8f6c204a3203d0b8b
- https://git.kernel.org/stable/c/07ef95cc7a579731198c93beed281e3a79a0e586
- https://git.kernel.org/stable/c/3726f75a1ccc16cd335c0ccfad1d92ee08ecba5e
- https://git.kernel.org/stable/c/42f0a3f67158ed6b2908d2b9ffbf7e96d23fd358
- https://git.kernel.org/stable/c/504178fb7d9f6cdb0496d5491efb05f45597e535
- https://git.kernel.org/stable/c/c6e1650cf5df1bd6638eeee231a683ef30c7d4eb
- https://git.kernel.org/stable/c/cd7f3978c2ec741aedd1d860b2adb227314cf996
- https://git.kernel.org/stable/c/d52c04474feac8e305814a5228e622afe481b2ef
- https://git.kernel.org/stable/c/eb1ea64328d4cc7d7a912c563f8523d5259716ef
- https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html
- https://cert-portal.siemens.com/productcert/html/ssa-265688.html
- https://cert-portal.siemens.com/productcert/html/ssa-613116.html