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CVE-2025-40345

usb: storage: sddr55: Reject out-of-bound new_pba

N/A
Published: December 12, 2025 at 05:53 PM UTC
Updated: October 14, 2026 at 01:10 PM UTC
2 products affected across 2 vendorsLinux KernelRUGGEDCOM RST2428P Firmware

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Severity
N/A
Exploit prediction
EPSS 0.2%

Description

In the Linux kernel, the following vulnerability has been resolved: usb: storage: sddr55: Reject out-of-bound new_pba Discovered by Atuin - Automated Vulnerability Discovery Engine. new_pba comes from the status packet returned after each write. A bogus device could report values beyond the block count derived from info->capacity, letting the driver walk off the end of pba_to_lba[] and corrupt heap memory. Reject PBAs that exceed the computed block count and fail the transfer so we avoid touching out-of-range mapping entries.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
90%
1da177e4c3f41524e886b7f1b8a0c1fc7321cac22.6.12
Vendor states this is fixed in 04a8a6393f3f2f471e05eacca33282dd30b01432 (fixed)
Vendor states this is fixed in 26e9b5da3231da7dc357b363883b5b7b51a64092 (fixed)
Vendor states this is fixed in 5ebe8d479aaf4f41ac35e6955332304193c646f6 (fixed)
Vendor states this is fixed in a20f1dd19d21dcb70140ea5a71b1f8cbe0c7e68f (fixed)
Vendor states this is fixed in aa64e0e17e3a5991a25e6a46007770c629039869 (fixed)
Vendor states this is fixed in b59d4fda7e7d0aff1043a7f742487cb829f5aac1 (fixed)
Vendor states this is fixed in d00a6c04a502cd52425dbf35588732c652b16490 (fixed)
Vendor states this is fixed in 2.6.12 (unaffected)
Vendor states this is fixed in 5.10.247 (unaffected)
Vendor states this is fixed in 5.15.197 (unaffected)
Vendor states this is fixed in 6.1.159 (unaffected)
Vendor states this is fixed in 6.12.61 (unaffected)
Vendor states this is fixed in 6.17.11 (unaffected)
Vendor states this is fixed in 6.18 (unaffected)
Vendor states this is fixed in 6.6.119 (unaffected)
RUGGEDCOM RST2428P Firmware· Siemens
60%
v < V4.0
Affected range stops below V4.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (8)

Source: cverecord
https://git.kernel.org/stable/c/d00a6c04a502cd52425dbf35588732c652b16490
Source: cverecord
https://git.kernel.org/stable/c/26e9b5da3231da7dc357b363883b5b7b51a64092
Source: cverecord
https://git.kernel.org/stable/c/aa64e0e17e3a5991a25e6a46007770c629039869
Source: cverecord
https://git.kernel.org/stable/c/04a8a6393f3f2f471e05eacca33282dd30b01432
Source: cverecord
https://git.kernel.org/stable/c/a20f1dd19d21dcb70140ea5a71b1f8cbe0c7e68f
Source: cverecord
https://git.kernel.org/stable/c/5ebe8d479aaf4f41ac35e6955332304193c646f6
Source: cverecord
https://git.kernel.org/stable/c/b59d4fda7e7d0aff1043a7f742487cb829f5aac1
Source: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
https://cert-portal.siemens.com/productcert/html/ssa-253495.html

Quick Info

StatusDEFERRED

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