CVE-2023-53125

net: usb: smsc75xx: Limit packet length to skb->len

MEDIUM

5.5

CVSS Score

Published: May 2, 2025 at 03:56 PM UTC

Updated: June 17, 2026 at 06:44 AM UTC

1 product affected across 1 vendorLinux Kernel

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Severity

MEDIUM5.5

Exploit prediction

EPSS 0.2%

Description

In the Linux kernel, the following vulnerability has been resolved: net: usb: smsc75xx: Limit packet length to skb->len Packet length retrieved from skb data may be larger than the actual socket buffer length (up to 9026 bytes). In such case the cloned skb passed up the network stack will leak kernel memory contents.

Affected

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

Linux Kernel · Linux

95%

2.6.34 ≤ v < 4.14.3112.6.34 ≤ v < 4.19.2792.6.34 ≤ v < 5.10.1762.6.34 ≤ v < 5.15.1042.6.34 ≤ v < 5.4.2382.6.34 ≤ v < 6.1.212.6.34 ≤ v < 6.2.82.6.34 ≤ v < 6.32.6.35 ≤ v < 4.14.3114.15 ≤ v < 4.19.2794.20 ≤ v < 5.4.2385.11 ≤ v < 5.15.1045.16 ≤ v < 6.1.215.5 ≤ v < 5.10.1766.2 ≤ v < 6.2.82.6.34 2.6.34 rc2 2.6.34 rc3 2.6.34 rc4 2.6.34 rc5 2.6.34 rc6 2.6.34 rc7 6.3 rc1 6.3 rc2d0cad871703b898a442e4049c532ec39168e5b57

Vendor states this is fixed in 105db6574281e1e03fcbf87983f4fee111682306 (fixed)

Vendor states this is fixed in 4a4de0a68b18485c68ab4f0cfa665b1633c6d277 (fixed)

Vendor states this is fixed in 53966d572d056d6b234cfe76a5f9d60049d3c178 (fixed)

Vendor states this is fixed in 8ee5df9c039e37b9d8eb5e3de08bfb7f53d31cb6 (fixed)

Vendor states this is fixed in 9fabdd79051a9fe51388df099aff6e4b660fedd2 (fixed)

Vendor states this is fixed in c7bdc137ca163b90917c1eeba4f1937684bd4f8b (fixed)

Vendor states this is fixed in d8b228318935044dafe3a5bc07ee71a1f1424b8d (fixed)

Vendor states this is fixed in e294f0aa47e4844f3d3c8766c02accd5a76a7d4e (fixed)

Vendor states this is fixed in 2.6.34 (unaffected)

Vendor states this is fixed in 4.14.311 (unaffected)

Vendor states this is fixed in 4.19.279 (unaffected)

Vendor states this is fixed in 5.10.176 (unaffected)