CVE-2023-53803
Awaiting Analysis
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BaseFortify
Publication date: 2025-12-09
Last updated on: 2025-12-09
Assigner: kernel.org
Description
Description
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.
CVSS Scores
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Meta Information
Affected Vendors & Products
Currently, no data is known.
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-UNKNOWN |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a slab-out-of-bounds error in the Linux kernel's ses_enclosure_data_process() function related to the SCSI subsystem. It occurs because the code does not properly check the size before accessing addl_desc_ptr[1], which can lead to reading beyond the allocated memory page.
How can this vulnerability impact me? :
This vulnerability can cause a kernel memory access error, potentially leading to system instability, crashes, or security issues due to out-of-bounds memory reads in the kernel space.
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