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CVE-2025-40345— usb: storage: sddr55: Reject out-of-bound new_pba

Quick assessment

Affected
Linux Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于sddr55驱动拒绝超出范围的new_pba，可能导致堆内存损坏。

AI Predicted 5.9 Difficulty: Hard EPSS 0.20% · P9

Affected Version Matrix 16

VendorProduct Version RangeStatus
Linux Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< d00a6c04a502cd52425dbf35588732c652b16490 affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< 26e9b5da3231da7dc357b363883b5b7b51a64092 affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< aa64e0e17e3a5991a25e6a46007770c629039869 affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< 04a8a6393f3f2f471e05eacca33282dd30b01432 affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< a20f1dd19d21dcb70140ea5a71b1f8cbe0c7e68f affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< 5ebe8d479aaf4f41ac35e6955332304193c646f6 affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< b59d4fda7e7d0aff1043a7f742487cb829f5aac1 affected
2.6.12 affected
… +8 more rows
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I. Basic Information for CVE-2025-40345

Vulnerability Information
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Vulnerability Title
usb: storage: sddr55: Reject out-of-bound new_pba
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于sddr55驱动拒绝超出范围的new_pba，可能导致堆内存损坏。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Linux Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 ~ d00a6c04a502cd52425dbf35588732c652b16490 -
Linux Linux 2.6.12 -

II. Public POCs for CVE-2025-40345

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III. Intelligence Information for CVE-2025-40345

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Other References for CVE-2025-40345 (7)

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2025-40345

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