CVE-2023-53803

CVE-2023-53803

High · published December 9, 2025

CVSS v3.1
8.1
EPSS
0%
Percentile
20.4
In the wild
Unconfirmed
What it is

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

scsi: ses: Fix slab-out-of-bounds in ses_enclosure_data_process()

A fix for:

BUG: KASAN: slab-out-of-bounds in ses_enclosure_data_process+0x949/0xe30 [ses]

Read of size 1 at addr ffff88a1b043a451 by task systemd-udevd/3271

Checking after (and before in next loop) addl_desc_ptr[1] is sufficient, we

expect the size to be sanitized before first access to addl_desc_ptr[1].

Make sure we don't walk beyond end of page.

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00289 · 20.4th percentile
Published
2025-12-09T06:16Z
References (8)
EPSS history
Timeline
  • 09 DEC 00:00Z
    scsi: ses: Fix slab-out-of-bounds in ses_enclosure_data_process()
    cvelistv5