{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-53398", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-09-17T14:54:09.738Z", "datePublished": "2025-09-18T13:33:38.842Z", "dateUpdated": "2025-09-18T13:33:38.842Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-09-18T13:33:38.842Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmlx5: fix possible ptp queue fifo use-after-free\n\nFifo indexes are not checked during pop operations and it leads to\npotential use-after-free when poping from empty queue. Such case was\npossible during re-sync action. WARN_ON_ONCE covers future cases.\n\nThere were out-of-order cqe spotted which lead to drain of the queue and\nuse-after-free because of lack of fifo pointers check. Special check and\ncounter are added to avoid resync operation if SKB could not exist in the\nfifo because of OOO cqe (skb_id must be between consumer and producer\nindex)."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/ethernet/mellanox/mlx5/core/en/ptp.c", "drivers/net/ethernet/mellanox/mlx5/core/en/txrx.h", "drivers/net/ethernet/mellanox/mlx5/core/en_stats.c", "drivers/net/ethernet/mellanox/mlx5/core/en_stats.h"], "versions": [{"version": "58a518948f60153e8f6cb8361d2712aa3a1af94a", "lessThan": "52e6e7a0bc04c85012a9251c7cf2d444a77eb966", "status": "affected", "versionType": "git"}, {"version": "58a518948f60153e8f6cb8361d2712aa3a1af94a", "lessThan": "6afdedc4e66e3846ce497744f01b95c34bf39d21", "status": "affected", "versionType": "git"}, {"version": "58a518948f60153e8f6cb8361d2712aa3a1af94a", "lessThan": "3a50cf1e8e5157b82268eee7e330dbe5736a0948", "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/ethernet/mellanox/mlx5/core/en/ptp.c", "drivers/net/ethernet/mellanox/mlx5/core/en/txrx.h", "drivers/net/ethernet/mellanox/mlx5/core/en_stats.c", "drivers/net/ethernet/mellanox/mlx5/core/en_stats.h"], "versions": [{"version": "6.0", "status": "affected"}, {"version": "0", "lessThan": "6.0", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.18", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.2.5", "lessThanOrEqual": "6.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.3", "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": "6.0", "versionEndExcluding": "6.1.18"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.2.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/52e6e7a0bc04c85012a9251c7cf2d444a77eb966"}, {"url": "https://git.kernel.org/stable/c/6afdedc4e66e3846ce497744f01b95c34bf39d21"}, {"url": "https://git.kernel.org/stable/c/3a50cf1e8e5157b82268eee7e330dbe5736a0948"}], "title": "mlx5: fix possible ptp queue fifo use-after-free", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmlx5: fix possible ptp queue fifo use-after-free\n\nFifo indexes are not checked during pop operations and it leads to\npotential use-after-free when poping from empty queue. Such case was\npossible during re-sync action. WARN_ON_ONCE covers future cases.\n\nThere were out-of-order cqe spotted which lead to drain of the queue and\nuse-after-free because of lack of fifo pointers check. Special check and\ncounter are added to avoid resync operation if SKB could not exist in the\nfifo because of OOO cqe (skb_id must be between consumer and producer\nindex)."}], "id": "CVE-2023-53398", "lastModified": "2025-09-18T14:15:43.050", "metrics": {}, "published": "2025-09-18T14:15:43.050", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3a50cf1e8e5157b82268eee7e330dbe5736a0948"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/52e6e7a0bc04c85012a9251c7cf2d444a77eb966"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6afdedc4e66e3846ce497744f01b95c34bf39d21"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: mlx5: fix possible ptp queue fifo use-after-free", "id": "2396421", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2396421"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "details": ["No description is available for this CVE."], "name": "CVE-2023-53398", "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": "Out of support scope", "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": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-09-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-53398\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-53398\nhttps://lore.kernel.org/linux-cve-announce/2025091859-CVE-2023-53398-2464@gregkh/T"], "threat_severity": "Moderate"}