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bpf: Reject negative optlen in cgroup getsockopt hook

cve-program · CVE-2026-90157

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": "08f61a34913558e06576e7b6318bf583f273c1be",
                            "lessThan": "5b09d984b38b018b123c3a9e02a96bbc6468dbe5",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9cacf81f8161111db25f98e78a7a0e32ae142b3f",
                            "lessThan": "554ba7195c4108726450e24480c8449990c2268c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9cacf81f8161111db25f98e78a7a0e32ae142b3f",
                            "lessThan": "d02a12b4085ffe41ea750b1007f7a9c7aee2875a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9cacf81f8161111db25f98e78a7a0e32ae142b3f",
                            "lessThan": "e6fbf0eba87f50084d67508898f6ad6fc7ff1ba2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9cacf81f8161111db25f98e78a7a0e32ae142b3f",
                            "lessThan": "f68671b1a98d426c57864bd457c125fee14ac1a5",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9cacf81f8161111db25f98e78a7a0e32ae142b3f",
                            "lessThan": "2bdbe00454200fcb0110f31eeca8d906a3515e74",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9cacf81f8161111db25f98e78a7a0e32ae142b3f",
                            "lessThan": "31a89af4f513d750fec196e2bb6195a7d4473e9f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9cacf81f8161111db25f98e78a7a0e32ae142b3f",
                            "lessThan": "1b5aacd5b2419b0790e955e466d389a61c79b4b1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5.10.188",
                            "lessThan": "5.10.270",
                            "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": "5.10.270",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.221",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.188",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.157",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.110",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.52",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.6",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "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 9 Nov 03:26 UTC · 275 of 275 readable · 272 fully read · documentation 456/469 current