CVE-2026-64553

net: psample: fix info leak in PSAMPLE_ATTR_DATA

N/A

Published: July 27, 2026 at 08:10 PM UTC

Updated: August 17, 2026 at 05:18 AM UTC

1 product affected across 1 vendorLinux Kernel

Using Linux by Linux?

Get instant alerts when new vulnerabilities affect Linux - before attackers find them.

Real-time alertsTrack your software stackFree plan available

Start Free Sign In

Severity

N/A

Exploit prediction

EPSS 0.2%

Description

In the Linux kernel, the following vulnerability has been resolved: net: psample: fix info leak in PSAMPLE_ATTR_DATA psample open codes nla_put() presumably to avoid wiping the data with 0s just to override it with packet data. This open coding is missing clearing the pad, however, each netlink attr is padded to 4B and data_len may not be divisible by 4B.

Affected

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

Linux Kernel · Linux

95%

4.11 ≤ v < 5.10.2614.11 ≤ v < 5.15.2124.11 ≤ v < 6.1.1784.11 ≤ v < 6.12.974.11 ≤ v < 6.18.404.11 ≤ v < 6.6.1454.11 ≤ v < 7.1.54.11 ≤ v < 7.24.116ae0a6286171154661b74f7f550f9441c6008424

Vendor states this is fixed in 0d3ea2ccddda442077fc44f11d873209c97ec50b (fixed)

Vendor states this is fixed in 48930f6c59fd0056c2de46ce52bfe27d9c9e5eb6 (fixed)

Vendor states this is fixed in 794a0d8bdbb39e083ed42caccb86d687a9b53570 (fixed)

Vendor states this is fixed in 7fe7e6949964aa8ee6305f09db2dc9eede977bb3 (fixed)

Vendor states this is fixed in a6cfb924ad74efce254e99c197d2e3863de70868 (fixed)

Vendor states this is fixed in aedd02af1f8b0bceb7f42f5a21c41634ca9ed390 (fixed)

Vendor states this is fixed in befe1ebe7fc2c65c80074bc34ceeb0a721ed3cd2 (fixed)

Vendor states this is fixed in e2fa322782a2d7d8078f7bb20817e0aa9f7c32e9 (fixed)

Vendor states this is fixed in 4.11 (unaffected)

Vendor states this is fixed in 5.10.261 (unaffected)

Vendor states this is fixed in 5.15.212 (unaffected)

Vendor states this is fixed in 6.1.178 (unaffected)