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bpf: use kvfree() for replaced sysctl write buffer

cve-program · CVE-2026-63809

Published

Linux

Vendor product

Original vendor version evidence · not evaluated as a NuGet range
{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "kernel/bpf/cgroup.c"
                    ],
                    "versions": [
                        {
                            "version": "b7925acd82926ebbf94a0f0783a3961f4e558856",
                            "lessThan": "d0a81ed5ff5d0f9c3f63a4f9e5a4642c363ecd3e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4508943794efdd94171549c0bd52810e2f4ad9fe",
                            "lessThan": "77355ef7a9f6b0d2bdf65be3b37f2c1f365e20d2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4508943794efdd94171549c0bd52810e2f4ad9fe",
                            "lessThan": "e1d1e203a6000804c5d3b8a4aa4e52303c0c7ab2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4508943794efdd94171549c0bd52810e2f4ad9fe",
                            "lessThan": "81fc9a13acae99966232f0e055eb2e445263b89a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4508943794efdd94171549c0bd52810e2f4ad9fe",
                            "lessThan": "838fe9c28121777c59a9406710a68fcf77bb8017",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4508943794efdd94171549c0bd52810e2f4ad9fe",
                            "lessThan": "65bd0c0afb0e1bf3287458e342429b069624f7d4",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4508943794efdd94171549c0bd52810e2f4ad9fe",
                            "lessThan": "70df4de46577fab5e25418f014583155a147c902",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4508943794efdd94171549c0bd52810e2f4ad9fe",
                            "lessThan": "4c21b5927d4364bfe7365f2700da5fea0ed0d004",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "66258ab303588936ee1ee0794d9a271be24f73cb",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5.10.20",
                            "lessThan": "5.10.260",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.11.3",
                            "lessThan": "5.12",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                }

Linux

Vendor product

Original vendor version evidence · not evaluated as a NuGet range
{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "kernel/bpf/cgroup.c"
                    ],
                    "versions": [
                        {
                            "version": "5.12",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.12",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.260",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.211",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.177",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.144",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.95",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.38",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.3",
                            "lessThanOrEqual": "7.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON

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Sources read 8 Nov 18:59 UTC · 274 of 275 readable · 272 fully read · documentation 469/469 current