CVE-2024-38559

scsi: qedf: Ensure the copied buf is NUL terminated

State: Published
Severity: 4.4 Medium
Published: Jun 19, 2024
Updated: Oct 15, 2026
Reserved: Jun 18, 2024

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	4.4 Medium	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H	CISA-ADP

Weaknesses

CWE-476 NULL Pointer Dereference

Affected Products

Product	Versions
LinuxLinux	61d8658b4a435eac729966cc94cdda077a8df5cd to before 1f84a2744ad813be23fc4be99fb74bfb24aadb95Affected 61d8658b4a435eac729966cc94cdda077a8df5cd to before a75001678e1d38aa607d5b898ec7ff8ed0700d59Affected 61d8658b4a435eac729966cc94cdda077a8df5cd to before 769b9fd2af02c069451fe9108dba73355d9a021cAffected 61d8658b4a435eac729966cc94cdda077a8df5cd to before dccd97b39ab2f2b1b9a47a1394647a4d65815255Affected 61d8658b4a435eac729966cc94cdda077a8df5cd to before d93318f19d1e1a6d5f04f5d965eaa9055bb7c613Affected 61d8658b4a435eac729966cc94cdda077a8df5cd to before 563e609275927c0b75fbfd0d90441543aa7b5e0dAffected 61d8658b4a435eac729966cc94cdda077a8df5cd to before 4907f5ad246fa9b51093ed7dfc7da9ebbd3f20b8Affected 61d8658b4a435eac729966cc94cdda077a8df5cd to before 177f43c6892e6055de6541fe9391a8a3d1f95fc9Affected 61d8658b4a435eac729966cc94cdda077a8df5cd to before d0184a375ee797eb657d74861ba0935b6e405c62Affected
LinuxLinux	4.11Affected before 4.11Not affected 4.19.316 through 4.19.Not affected 5.4.278 through 5.4.Not affected 5.10.219 through 5.10.Not affected 5.15.161 through 5.15.Not affected 6.1.93 through 6.1.Not affected 6.6.33 through 6.6.Not affected 6.8.12 through 6.8.Not affected 6.9.3 through 6.9.Not affected 6.10 and laterNot affected

Product

Versions

LinuxLinux

61d8658b4a435eac729966cc94cdda077a8df5cd to before 1f84a2744ad813be23fc4be99fb74bfb24aadb95Affected
61d8658b4a435eac729966cc94cdda077a8df5cd to before a75001678e1d38aa607d5b898ec7ff8ed0700d59Affected
61d8658b4a435eac729966cc94cdda077a8df5cd to before 769b9fd2af02c069451fe9108dba73355d9a021cAffected
61d8658b4a435eac729966cc94cdda077a8df5cd to before dccd97b39ab2f2b1b9a47a1394647a4d65815255Affected
61d8658b4a435eac729966cc94cdda077a8df5cd to before d93318f19d1e1a6d5f04f5d965eaa9055bb7c613Affected
61d8658b4a435eac729966cc94cdda077a8df5cd to before 563e609275927c0b75fbfd0d90441543aa7b5e0dAffected
61d8658b4a435eac729966cc94cdda077a8df5cd to before 4907f5ad246fa9b51093ed7dfc7da9ebbd3f20b8Affected
61d8658b4a435eac729966cc94cdda077a8df5cd to before 177f43c6892e6055de6541fe9391a8a3d1f95fc9Affected
61d8658b4a435eac729966cc94cdda077a8df5cd to before d0184a375ee797eb657d74861ba0935b6e405c62Affected

LinuxLinux

4.11Affected
before 4.11Not affected
4.19.316 through 4.19.*Not affected
5.4.278 through 5.4.*Not affected
5.10.219 through 5.10.*Not affected
5.15.161 through 5.15.*Not affected
6.1.93 through 6.1.*Not affected
6.6.33 through 6.6.*Not affected
6.8.12 through 6.8.*Not affected
6.9.3 through 6.9.*Not affected
6.10 and laterNot affected

References

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