{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-64553", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-19T15:36:31.796Z", "datePublished": "2026-07-27T20:10:41.159Z", "dateUpdated": "2026-07-27T20:10:41.159Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-07-27T20:10:41.159Z"}, "descriptions": [{"lang": "en", "value": "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 open coding is missing clearing the pad, however,\neach netlink attr is padded to 4B and data_len may\nnot be divisible by 4B."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/psample/psample.c"], "versions": [{"version": "6ae0a6286171154661b74f7f550f9441c6008424", "lessThan": "0d3ea2ccddda442077fc44f11d873209c97ec50b", "status": "affected", "versionType": "git"}, {"version": "6ae0a6286171154661b74f7f550f9441c6008424", "lessThan": "7fe7e6949964aa8ee6305f09db2dc9eede977bb3", "status": "affected", "versionType": "git"}, {"version": "6ae0a6286171154661b74f7f550f9441c6008424", "lessThan": "e2fa322782a2d7d8078f7bb20817e0aa9f7c32e9", "status": "affected", "versionType": "git"}, {"version": "6ae0a6286171154661b74f7f550f9441c6008424", "lessThan": "befe1ebe7fc2c65c80074bc34ceeb0a721ed3cd2", "status": "affected", "versionType": "git"}, {"version": "6ae0a6286171154661b74f7f550f9441c6008424", "lessThan": "48930f6c59fd0056c2de46ce52bfe27d9c9e5eb6", "status": "affected", "versionType": "git"}, {"version": "6ae0a6286171154661b74f7f550f9441c6008424", "lessThan": "a6cfb924ad74efce254e99c197d2e3863de70868", "status": "affected", "versionType": "git"}, {"version": "6ae0a6286171154661b74f7f550f9441c6008424", "lessThan": "794a0d8bdbb39e083ed42caccb86d687a9b53570", "status": "affected", "versionType": "git"}, {"version": "6ae0a6286171154661b74f7f550f9441c6008424", "lessThan": "aedd02af1f8b0bceb7f42f5a21c41634ca9ed390", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/psample/psample.c"], "versions": [{"version": "4.11", "status": "affected"}, {"version": "0", "lessThan": "4.11", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.261", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.212", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.178", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.145", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.97", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.40", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.5", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2-rc1", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.11", "versionEndExcluding": "5.10.261"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.11", "versionEndExcluding": "5.15.212"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.11", "versionEndExcluding": "6.1.178"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.11", "versionEndExcluding": "6.6.145"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.11", "versionEndExcluding": "6.12.97"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.11", "versionEndExcluding": "6.18.40"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.11", "versionEndExcluding": "7.1.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.11", "versionEndExcluding": "7.2-rc1"}]}]}], "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"}], "title": "net: psample: fix info leak in PSAMPLE_ATTR_DATA", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{}

{"bugzilla": {"description": "kernel: net: psample: fix info leak in PSAMPLE_ATTR_DATA", "id": "2507720", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2507720"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-212", "details": ["A flaw was found in the Linux kernel's packet sampling (psample) network module. This vulnerability, specifically within the PSAMPLE_ATTR_DATA attribute handling, occurs because the nla_put() function does not properly clear padding bytes. When the data length is not a multiple of four bytes, uninitialized memory from the kernel can be exposed. A local attacker could exploit this information leak to potentially gain access to sensitive data."], "name": "CVE-2026-64553", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "impact": "low", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "impact": "low", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "impact": "low", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "impact": "low", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "impact": "low", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "impact": "low", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "impact": "low", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "impact": "low", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-07-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-64553\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-64553\nhttps://lore.kernel.org/linux-cve-announce/2026072738-CVE-2026-64553-87c9@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[6ae0a6286171154661b74f7f550f9441c6008424,0d3ea2ccddda442077fc44f11d873209c97ec50b)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[6ae0a6286171154661b74f7f550f9441c6008424,7fe7e6949964aa8ee6305f09db2dc9eede977bb3)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[6ae0a6286171154661b74f7f550f9441c6008424,e2fa322782a2d7d8078f7bb20817e0aa9f7c32e9)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[6ae0a6286171154661b74f7f550f9441c6008424,befe1ebe7fc2c65c80074bc34ceeb0a721ed3cd2)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[6ae0a6286171154661b74f7f550f9441c6008424,48930f6c59fd0056c2de46ce52bfe27d9c9e5eb6)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[6ae0a6286171154661b74f7f550f9441c6008424,a6cfb924ad74efce254e99c197d2e3863de70868)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[6ae0a6286171154661b74f7f550f9441c6008424,794a0d8bdbb39e083ed42caccb86d687a9b53570)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[6ae0a6286171154661b74f7f550f9441c6008424,aedd02af1f8b0bceb7f42f5a21c41634ca9ed390)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "4.11"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,4.11)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[5.10.261,5.10.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[5.15.212,5.15.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.1.178,6.1.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.6.145,6.6.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.12.97,6.12.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.18.40,6.18.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.1.5,7.1.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2-rc1,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-07-28T02:45:16.783100+00:00", "updated": "2026-07-28T14:45:17.078073+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-200"]}