netfilter: nf_conntrack_h323: check for zero length in DecodeQ931()

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/netfilter/nf_conntrack_h323_asn1.c"
                    ],
                    "versions": [
                        {
                            "version": "5e35941d990123f155b02d5663e51a24f816b6f3",
                            "lessThan": "2121f5fbe88daff0f1fc5bc47d359426c74b86b0",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5e35941d990123f155b02d5663e51a24f816b6f3",
                            "lessThan": "65fa92f79677858b14b9e4b7275f26639afe2710",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5e35941d990123f155b02d5663e51a24f816b6f3",
                            "lessThan": "495e97af9e7249ee02b72bb1d0848a6efc3700f4",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5e35941d990123f155b02d5663e51a24f816b6f3",
                            "lessThan": "f5e4f4e4cdb75ec36802059a94195a31f193da60",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5e35941d990123f155b02d5663e51a24f816b6f3",
                            "lessThan": "633e8f87dad32263f6a57dccdb873f042c062111",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5e35941d990123f155b02d5663e51a24f816b6f3",
                            "lessThan": "9d00fe7d6d7c5b5f1065a6e042b54f2e44bd6df8",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5e35941d990123f155b02d5663e51a24f816b6f3",
                            "lessThan": "b652b05d51003ac074b912684f9ec7486231717b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5e35941d990123f155b02d5663e51a24f816b6f3",
                            "lessThan": "f173d0f4c0f689173f8cdac79991043a4a89bf66",
                            "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/netfilter/nf_conntrack_h323_asn1.c"
                    ],
                    "versions": [
                        {
                            "version": "2.6.17",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "2.6.17",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.253",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.203",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.167",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.130",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.78",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.20",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.19.10",
                            "lessThanOrEqual": "6.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }