CVE-2023-52997

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["net/ipv4/metrics.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "ef050cf5fb70d995a0d03244e25179b7c66a924a", "status": "affected", "version": "6cf9dfd3bd62edfff69f11c0f111bc261166e4c7", "versionType": "git"}, {"lessThan": "746db9ec1e672eee13965625ddac0d97e16fa20c", "status": "affected", "version": "6cf9dfd3bd62edfff69f11c0f111bc261166e4c7", "versionType": "git"}, {"lessThan": "34c6142f0df9cd75cba5a7aa9df0960d2854b415", "status": "affected", "version": "6cf9dfd3bd62edfff69f11c0f111bc261166e4c7", "versionType": "git"}, {"lessThan": "d50e7348b44f1e046121ff5be01b7fb6978a1149", "status": "affected", "version": "6cf9dfd3bd62edfff69f11c0f111bc261166e4c7", "versionType": "git"}, {"lessThan": "6850fe301d015a7d2012d1de8caf43dafb7cc2f6", "status": "affected", "version": "6cf9dfd3bd62edfff69f11c0f111bc261166e4c7", "versionType": "git"}, {"lessThan": "1d1d63b612801b3f0a39b7d4467cad0abd60e5c8", "status": "affected", "version": "6cf9dfd3bd62edfff69f11c0f111bc261166e4c7", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["net/ipv4/metrics.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "4.3"}, {"lessThan": "4.3", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "4.19.*", "status": "unaffected", "version": "4.19.272", "versionType": "semver"}, {"lessThanOrEqual": "5.4.*", "status": "unaffected", "version": "5.4.231", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.166", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.91", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.9", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "6.2", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "2747E53A-B785-4611-ADA8-5E618D64C066", "versionEndExcluding": "4.19.272", "versionStartIncluding": "4.3", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "79CA608C-BC5E-4BB5-9250-771AEC44F412", "versionEndExcluding": "5.4.231", "versionStartIncluding": "4.20", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "A44D9D24-661C-40D4-8735-4CEB1C7C02F2", "versionEndExcluding": "5.10.166", "versionStartIncluding": "5.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "91C2E92D-CC25-4FBD-8824-56A148119D7E", "versionEndExcluding": "5.15.91", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "ED5B6045-B1D2-4E03-B194-9005A351BCAE", "versionEndExcluding": "6.1.9", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.2:rc1:*:*:*:*:*:*", "matchCriteriaId": "FF501633-2F44-4913-A8EE-B021929F49F6", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.2:rc2:*:*:*:*:*:*", "matchCriteriaId": "2BDA597B-CAC1-4DF0-86F0-42E142C654E9", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.2:rc3:*:*:*:*:*:*", "matchCriteriaId": "725C78C9-12CE-406F-ABE8-0813A01D66E8", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.2:rc4:*:*:*:*:*:*", "matchCriteriaId": "A127C155-689C-4F67-B146-44A57F4BFD85", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.2:rc5:*:*:*:*:*:*", "matchCriteriaId": "D34127CC-68F5-4703-A5F6-5006F803E4AE", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nipv4: prevent potential spectre v1 gadget in ip_metrics_convert()\n\nif (!type)\n\t\tcontinue;\n\tif (type > RTAX_MAX)\n\t\treturn -EINVAL;\n\t...\n\tmetrics[type - 1] = val;\n\n@type being used as an array index, we need to prevent\ncpu speculation or risk leaking kernel memory content."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ipv4: evitar un potencial gadget spectre v1 en ip_metrics_convert() if (!type) continue; if (type > RTAX_MAX) return -EINVAL; ... metrics[type - 1] = val; @type se utiliza como un \u00edndice de matriz, debemos evitar la especulaci\u00f3n de la CPU o el riesgo de filtrar el contenido de la memoria del kernel."}], "id": "CVE-2023-52997", "lastModified": "2026-11-05T21:17:06.607", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-52997", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-11-05T20:14:16.390465Z", "version": "2.0.3"}}]}, "published": "2025-03-27T17:15:48.433", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1d1d63b612801b3f0a39b7d4467cad0abd60e5c8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/34c6142f0df9cd75cba5a7aa9df0960d2854b415"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6850fe301d015a7d2012d1de8caf43dafb7cc2f6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/746db9ec1e672eee13965625ddac0d97e16fa20c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d50e7348b44f1e046121ff5be01b7fb6978a1149"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ef050cf5fb70d995a0d03244e25179b7c66a924a"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2023:7077", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "kernel-0:4.18.0-513.5.1.el8_9", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2023-11-14T00:00:00Z"}, {"advisory": "RHSA-2023:6583", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-362.8.1.el9_3", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-11-07T00:00:00Z"}, {"advisory": "RHSA-2023:6583", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-362.8.1.el9_3", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-11-07T00:00:00Z"}], "bugzilla": {"description": "kernel: ipv4: prevent potential spectre v1 gadget in ip_metrics_convert()", "id": "2355468", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2355468"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.7", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N", "status": "verified"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nipv4: prevent potential spectre v1 gadget in ip_metrics_convert()\nif (!type)\ncontinue;\nif (type > RTAX_MAX)\nreturn -EINVAL;\n...\nmetrics[type - 1] = val;\n@type being used as an array index, we need to prevent\ncpu speculation or risk leaking kernel memory content.", "A vulnerability was found in the Linux kernel's `ip_metrics_convert()` function, where improper handling of user input can potentially leak kernel memory via side channels. This issue is caused by the use of `@type`, a user-controlled input, which is an array within this function. If a CPU speculatively executes instructions past the conditional branch before the branch condition is resolved, the line `metrics[type - 1] = val` may be evaluated. A situation where `type` is out-of-bounds could lead to improper kernel memory access."], "name": "CVE-2023-52997", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-03-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-52997\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-52997\nhttps://lore.kernel.org/linux-cve-announce/2025032710-CVE-2023-52997-dbca@gregkh/T"], "threat_severity": "Moderate"}

{}