High 8.1Published Dec 8, 2025

CVE-2023-53803scsi: ses: Fix slab-out-of-bounds in ses_enclosure_data_process()

Updated under an hour ago (Oct 27, 2026, 3:50 AM ET)

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No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

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: 8.1 HIGH (v3.1, CNA)CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Deferred
Record last updated: Oct 15, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 21fab1d0595eacf781705ec3509012a28f298245 before da1a955c48a16e16e925d6544793914e52a6fa51; 21fab1d0595eacf781705ec3509012a28f298245 builds before 9e5c7d52085b8c84bc82a261580f0eb170039325; from 21fab1d0595eacf781705ec3509012a28f298245 before 467afb1dd630d8c6d172bd6cacc125199b5f4f2d; from 21fab1d0595eacf781705ec3509012a28f298245 before e4dd25da784b2e07dbfbf04509afa4c5a1375227; 21fab1d0595eacf781705ec3509012a28f298245 builds before 2b28a7d261cb309912596d6a2d383ca370483527; 21fab1d0595eacf781705ec3509012a28f298245 builds before 0dfe68394cbe1d4fe579fb325ecc813c50528c5a; from 21fab1d0595eacf781705ec3509012a28f298245 before 799e8dd2022d2e13f0c5c1906b40ceca07a23349; 21fab1d0595eacf781705ec3509012a28f298245 builds before 9b4f5028e493cb353a5c8f5c45073eeea0303abd	CNA record

References

References

https://git.kernel.org/stable/c/da1a955c48a16e16e925d6544793914e52a6fa51
https://git.kernel.org/stable/c/9e5c7d52085b8c84bc82a261580f0eb170039325
https://git.kernel.org/stable/c/467afb1dd630d8c6d172bd6cacc125199b5f4f2d
https://git.kernel.org/stable/c/e4dd25da784b2e07dbfbf04509afa4c5a1375227
https://git.kernel.org/stable/c/2b28a7d261cb309912596d6a2d383ca370483527
https://git.kernel.org/stable/c/0dfe68394cbe1d4fe579fb325ecc813c50528c5a
https://git.kernel.org/stable/c/799e8dd2022d2e13f0c5c1906b40ceca07a23349
https://git.kernel.org/stable/c/9b4f5028e493cb353a5c8f5c45073eeea0303abd

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.