{"id":"CVE-2026-64553","title":"net: psample: fix info leak in PSAMPLE_ATTR_DATA","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: psample: fix info leak in PSAMPLE_ATTR_DATA\n\npsample open codes nla_put() presumably to avoid wiping\nthe data with 0s just to override it with packet data.\nThis op…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 6ae0a6286171154661b74f7f550f9441c6008424 < 0d3ea2ccddda442077fc44f11d873209c97ec50b","Linux >= 6ae0a6286171154661b74f7f550f9441c6008424 < 7fe7e6949964aa8ee6305f09db2dc9eede977bb3","Linux >= 6ae0a6286171154661b74f7f550f9441c6008424 < e2fa322782a2d7d8078f7bb20817e0aa9f7c32e9","Linux >= 6ae0a6286171154661b74f7f550f9441c6008424 < befe1ebe7fc2c65c80074bc34ceeb0a721ed3cd2","Linux >= 6ae0a6286171154661b74f7f550f9441c6008424 < 48930f6c59fd0056c2de46ce52bfe27d9c9e5eb6","Linux >= 6ae0a6286171154661b74f7f550f9441c6008424 < a6cfb924ad74efce254e99c197d2e3863de70868","Linux >= 6ae0a6286171154661b74f7f550f9441c6008424 < 794a0d8bdbb39e083ed42caccb86d687a9b53570","Linux >= 6ae0a6286171154661b74f7f550f9441c6008424 < aedd02af1f8b0bceb7f42f5a21c41634ca9ed390","Linux 4.11"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-06T16:41:25.606986Z"},"published":"2026-07-27","updated":"2026-11-06","sourceUpdated":"2026-11-06T16:44:57.166Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-64553","references":[{"url":"https://git.kernel.org/stable/c/0d3ea2ccddda442077fc44f11d873209c97ec50b"},{"url":"https://git.kernel.org/stable/c/7fe7e6949964aa8ee6305f09db2dc9eede977bb3"},{"url":"https://git.kernel.org/stable/c/e2fa322782a2d7d8078f7bb20817e0aa9f7c32e9"},{"url":"https://git.kernel.org/stable/c/befe1ebe7fc2c65c80074bc34ceeb0a721ed3cd2"},{"url":"https://git.kernel.org/stable/c/48930f6c59fd0056c2de46ce52bfe27d9c9e5eb6"},{"url":"https://git.kernel.org/stable/c/a6cfb924ad74efce254e99c197d2e3863de70868"},{"url":"https://git.kernel.org/stable/c/794a0d8bdbb39e083ed42caccb86d687a9b53570"},{"url":"https://git.kernel.org/stable/c/aedd02af1f8b0bceb7f42f5a21c41634ca9ed390"}],"tags":["cve.org"],"epss":0.00177,"epssPercentile":0.07258,"ingestedAt":"2026-11-06T16:57:43.154Z","slug":"CVE-2026-64553","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nnet: psample: fix info leak in PSAMPLE_ATTR_DATA\n\npsample open codes nla_put() presumably to avoid wiping\nthe data with 0s just to override it with packet data.\nThis open coding is missing clearing the pad, however,\neach netlink attr is padded to 4B and data_len may\nnot be divisible by 4B.\n\n## Affected\n\n- `Linux >= 6ae0a6286171154661b74f7f550f9441c6008424 < 0d3ea2ccddda442077fc44f11d873209c97ec50b`\n- `Linux >= 6ae0a6286171154661b74f7f550f9441c6008424 < 7fe7e6949964aa8ee6305f09db2dc9eede977bb3`\n- `Linux >= 6ae0a6286171154661b74f7f550f9441c6008424 < e2fa322782a2d7d8078f7bb20817e0aa9f7c32e9`\n- `Linux >= 6ae0a6286171154661b74f7f550f9441c6008424 < befe1ebe7fc2c65c80074bc34ceeb0a721ed3cd2`\n- `Linux >= 6ae0a6286171154661b74f7f550f9441c6008424 < 48930f6c59fd0056c2de46ce52bfe27d9c9e5eb6`\n- `Linux >= 6ae0a6286171154661b74f7f550f9441c6008424 < a6cfb924ad74efce254e99c197d2e3863de70868`\n- `Linux >= 6ae0a6286171154661b74f7f550f9441c6008424 < 794a0d8bdbb39e083ed42caccb86d687a9b53570`\n- `Linux >= 6ae0a6286171154661b74f7f550f9441c6008424 < aedd02af1f8b0bceb7f42f5a21c41634ca9ed390`\n- `Linux 4.11`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}