CVE-2024-38559 (GCVE-0-2024-38559)

Vulnerability from cvelistv5 – Published: 2024-06-19 13:35 – Updated: 2025-11-04 17:21
VLAI?
Title
scsi: qedf: Ensure the copied buf is NUL terminated
Summary
In the Linux kernel, the following vulnerability has been resolved: scsi: qedf: Ensure the copied buf is NUL terminated Currently, we allocate a count-sized kernel buffer and copy count from userspace to that buffer. Later, we use kstrtouint on this buffer but we don't ensure that the string is terminated inside the buffer, this can lead to OOB read when using kstrtouint. Fix this issue by using memdup_user_nul instead of memdup_user.
Severity ?
4.4 (Medium)
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 61d8658b4a435eac729966cc94cdda077a8df5cd , < 1f84a2744ad813be23fc4be99fb74bfb24aadb95 (git)
Affected: 61d8658b4a435eac729966cc94cdda077a8df5cd , < a75001678e1d38aa607d5b898ec7ff8ed0700d59 (git)
Affected: 61d8658b4a435eac729966cc94cdda077a8df5cd , < 769b9fd2af02c069451fe9108dba73355d9a021c (git)
Affected: 61d8658b4a435eac729966cc94cdda077a8df5cd , < dccd97b39ab2f2b1b9a47a1394647a4d65815255 (git)
Affected: 61d8658b4a435eac729966cc94cdda077a8df5cd , < d93318f19d1e1a6d5f04f5d965eaa9055bb7c613 (git)
Affected: 61d8658b4a435eac729966cc94cdda077a8df5cd , < 563e609275927c0b75fbfd0d90441543aa7b5e0d (git)
Affected: 61d8658b4a435eac729966cc94cdda077a8df5cd , < 4907f5ad246fa9b51093ed7dfc7da9ebbd3f20b8 (git)
Affected: 61d8658b4a435eac729966cc94cdda077a8df5cd , < 177f43c6892e6055de6541fe9391a8a3d1f95fc9 (git)
Affected: 61d8658b4a435eac729966cc94cdda077a8df5cd , < d0184a375ee797eb657d74861ba0935b6e405c62 (git)
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    Linux Linux Affected: 4.11
Unaffected: 0 , < 4.11 (semver)
Unaffected: 4.19.316 , ≤ 4.19.* (semver)
Unaffected: 5.4.278 , ≤ 5.4.* (semver)
Unaffected: 5.10.219 , ≤ 5.10.* (semver)
Unaffected: 5.15.161 , ≤ 5.15.* (semver)
Unaffected: 6.1.93 , ≤ 6.1.* (semver)
Unaffected: 6.6.33 , ≤ 6.6.* (semver)
Unaffected: 6.8.12 , ≤ 6.8.* (semver)
Unaffected: 6.9.3 , ≤ 6.9.* (semver)
Unaffected: 6.10 , ≤ * (original_commit_for_fix)
Create a notification for this product.
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Actualmente, asignamos un b\u00fafer del kernel del tama\u00f1o de un conteo y copiamos el conteo desde el espacio de usuario a ese b\u00fafer. M\u00e1s adelante, usamos kstrtouint en este b\u00fafer pero no nos aseguramos de que la cadena termine dentro del b\u00fafer, esto puede provocar una lectura OOB cuando usamos kstrtouint. 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