pppoe: drop PFC frames

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/ppp/ppp_generic.c",
                        "drivers/net/ppp/pppoe.c",
                        "include/linux/ppp_defs.h"
                    ],
                    "versions": [
                        {
                            "version": "7fb1b8ca8fa1ee34ffc328f17f78da68c7cc04e6",
                            "lessThan": "cb3beef35ab5e0c1afca9fd7648c6ae499786377",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "7fb1b8ca8fa1ee34ffc328f17f78da68c7cc04e6",
                            "lessThan": "ba758fdf1399f310b30098b6faa3fd043de47dd2",
                            "status": "affected",
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                        },
                        {
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                            "status": "affected",
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                        },
                        {
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                            "status": "affected",
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                        },
                        {
                            "version": "7fb1b8ca8fa1ee34ffc328f17f78da68c7cc04e6",
                            "lessThan": "49e41b60ccd1bdbe9e218420f716dd5f9a2f9c71",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "7fb1b8ca8fa1ee34ffc328f17f78da68c7cc04e6",
                            "lessThan": "0cab5d077dd1efd2bd1a47271acc35894f945b4f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "7fb1b8ca8fa1ee34ffc328f17f78da68c7cc04e6",
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                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "7fb1b8ca8fa1ee34ffc328f17f78da68c7cc04e6",
                            "lessThan": "cc1ff87bce1ccd38410ab10960f576dcd17db679",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                }

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/ppp/ppp_generic.c",
                        "drivers/net/ppp/pppoe.c",
                        "include/linux/ppp_defs.h"
                    ],
                    "versions": [
                        {
                            "version": "5.0",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.0",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.258",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.209",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.175",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.141",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.91",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.33",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0.10",
                            "lessThanOrEqual": "7.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }