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CVE-2026-64553

net: psample: fix info leak in PSAMPLE_ATTR_DATA PUBLISHED

Description (CNA)

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 (CNA)

Vendor / productVersions
Linux / Linuxaffected 6ae0a6286171154661b74f7f550f9441c6008424 before 0d3ea2ccddda442077fc44f11d873209c97ec50b; affected 6ae0a6286171154661b74f7f550f9441c6008424 before 7fe7e6949964aa8ee6305f09db2dc9eede977bb3; affected 6ae0a6286171154661b74f7f550f9441c6008424 before e2fa322782a2d7d8078f7bb20817e0aa9f7c32e9; affected 6ae0a6286171154661b74f7f550f9441c6008424 before befe1ebe7fc2c65c80074bc34ceeb0a721ed3cd2; affected 6ae0a6286171154661b74f7f550f9441c6008424 before 48930f6c59fd0056c2de46ce52bfe27d9c9e5eb6; affected 6ae0a6286171154661b74f7f550f9441c6008424 before a6cfb924ad74efce254e99c197d2e3863de70868; affected 6ae0a6286171154661b74f7f550f9441c6008424 before 794a0d8bdbb39e083ed42caccb86d687a9b53570; affected 6ae0a6286171154661b74f7f550f9441c6008424 before aedd02af1f8b0bceb7f42f5a21c41634ca9ed390
Linux / Linuxaffected 4.11; unaffected 0 before 4.11; unaffected 5.10.261 through 5.10.*; unaffected 5.15.212 through 5.15.*; unaffected 6.1.178 through 6.1.*; unaffected 6.6.145 through 6.6.*; unaffected 6.12.97 through 6.12.*; unaffected 6.18.40 through 6.18.*; unaffected 7.1.5 through 7.1.*; unaffected 7.2 through *

CWE

No CWE identifiers supplied.

References