ima: Check for ERR_PTR from dentry_path() in validate_hash_algo()

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "security/integrity/ima/ima_appraise.c"
                    ],
                    "versions": [
                        {
                            "version": "4f2946aa0c45c78b4f4ef101bab9694e38c68db0",
                            "lessThan": "d6fade89903c8fd0af6c956242aec8b927040e02",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4f2946aa0c45c78b4f4ef101bab9694e38c68db0",
                            "lessThan": "0de5b525c0cd7d202848b8adfde3c01c287fb1a6",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4f2946aa0c45c78b4f4ef101bab9694e38c68db0",
                            "lessThan": "30b5c0e17dcad72b6b2f987319aa645570e6376d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4f2946aa0c45c78b4f4ef101bab9694e38c68db0",
                            "lessThan": "9e69d683ebd7def04557fe758ff123105d7d9840",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4f2946aa0c45c78b4f4ef101bab9694e38c68db0",
                            "lessThan": "f8a2f2a4602318eb93d49d27fd0d0fdaab17edde",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4f2946aa0c45c78b4f4ef101bab9694e38c68db0",
                            "lessThan": "d62a84a78de5f29c642fa3bd4eee072ba7289cb4",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4f2946aa0c45c78b4f4ef101bab9694e38c68db0",
                            "lessThan": "8861f6d5c0678a7c5089c7b272509fc5931b8437",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                }

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "security/integrity/ima/ima_appraise.c"
                    ],
                    "versions": [
                        {
                            "version": "5.15",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.15",
                            "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": "6.18.51",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.5",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }