{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-52997", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-03-27T16:40:15.742Z", "datePublished": "2025-03-27T16:43:31.164Z", "dateUpdated": "2025-05-04T07:47:11.359Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T07:47:11.359Z"}, "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."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/ipv4/metrics.c"], "versions": [{"version": "6cf9dfd3bd62edfff69f11c0f111bc261166e4c7", "lessThan": "ef050cf5fb70d995a0d03244e25179b7c66a924a", "status": "affected", "versionType": "git"}, {"version": "6cf9dfd3bd62edfff69f11c0f111bc261166e4c7", "lessThan": "746db9ec1e672eee13965625ddac0d97e16fa20c", "status": "affected", "versionType": "git"}, {"version": "6cf9dfd3bd62edfff69f11c0f111bc261166e4c7", "lessThan": "34c6142f0df9cd75cba5a7aa9df0960d2854b415", "status": "affected", "versionType": "git"}, {"version": "6cf9dfd3bd62edfff69f11c0f111bc261166e4c7", "lessThan": "d50e7348b44f1e046121ff5be01b7fb6978a1149", "status": "affected", "versionType": "git"}, {"version": "6cf9dfd3bd62edfff69f11c0f111bc261166e4c7", "lessThan": "6850fe301d015a7d2012d1de8caf43dafb7cc2f6", "status": "affected", "versionType": "git"}, {"version": "6cf9dfd3bd62edfff69f11c0f111bc261166e4c7", "lessThan": "1d1d63b612801b3f0a39b7d4467cad0abd60e5c8", "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/ipv4/metrics.c"], "versions": [{"version": "4.3", "status": "affected"}, {"version": "0", "lessThan": "4.3", "status": "unaffected", "versionType": "semver"}, {"version": "4.19.272", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.231", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.166", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.91", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.9", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.2", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.3", "versionEndExcluding": "4.19.272"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.3", "versionEndExcluding": "5.4.231"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.3", "versionEndExcluding": "5.10.166"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.3", "versionEndExcluding": "5.15.91"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.3", "versionEndExcluding": "6.1.9"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.3", "versionEndExcluding": "6.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/ef050cf5fb70d995a0d03244e25179b7c66a924a"}, {"url": "https://git.kernel.org/stable/c/746db9ec1e672eee13965625ddac0d97e16fa20c"}, {"url": "https://git.kernel.org/stable/c/34c6142f0df9cd75cba5a7aa9df0960d2854b415"}, {"url": "https://git.kernel.org/stable/c/d50e7348b44f1e046121ff5be01b7fb6978a1149"}, {"url": "https://git.kernel.org/stable/c/6850fe301d015a7d2012d1de8caf43dafb7cc2f6"}, {"url": "https://git.kernel.org/stable/c/1d1d63b612801b3f0a39b7d4467cad0abd60e5c8"}], "title": "ipv4: prevent potential spectre v1 gadget in ip_metrics_convert()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"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."}], "id": "CVE-2023-52997", "lastModified": "2025-03-28T18:11:49.747", "metrics": {}, "published": "2025-03-27T17:15:48.433", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1d1d63b612801b3f0a39b7d4467cad0abd60e5c8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/34c6142f0df9cd75cba5a7aa9df0960d2854b415"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6850fe301d015a7d2012d1de8caf43dafb7cc2f6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/746db9ec1e672eee13965625ddac0d97e16fa20c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d50e7348b44f1e046121ff5be01b7fb6978a1149"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ef050cf5fb70d995a0d03244e25179b7c66a924a"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"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"}