{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-53660", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-10-07T15:16:59.662Z", "datePublished": "2025-10-07T15:21:20.307Z", "dateUpdated": "2025-10-07T15:21:20.307Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-10-07T15:21:20.307Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf, cpumap: Handle skb as well when clean up ptr_ring\n\nThe following warning was reported when running xdp_redirect_cpu with\nboth skb-mode and stress-mode enabled:\n\n ------------[ cut here ]------------\n Incorrect XDP memory type (-2128176192) usage\n WARNING: CPU: 7 PID: 1442 at net/core/xdp.c:405\n Modules linked in:\n CPU: 7 PID: 1442 Comm: kworker/7:0 Tainted: G 6.5.0-rc2+ #1\n Hardware name: QEMU Standard PC (i440FX + PIIX, 1996)\n Workqueue: events __cpu_map_entry_free\n RIP: 0010:__xdp_return+0x1e4/0x4a0\n ......\n Call Trace:\n <TASK>\n ? show_regs+0x65/0x70\n ? __warn+0xa5/0x240\n ? __xdp_return+0x1e4/0x4a0\n ......\n xdp_return_frame+0x4d/0x150\n __cpu_map_entry_free+0xf9/0x230\n process_one_work+0x6b0/0xb80\n worker_thread+0x96/0x720\n kthread+0x1a5/0x1f0\n ret_from_fork+0x3a/0x70\n ret_from_fork_asm+0x1b/0x30\n </TASK>\n\nThe reason for the warning is twofold. One is due to the kthread\ncpu_map_kthread_run() is stopped prematurely. Another one is\n__cpu_map_ring_cleanup() doesn't handle skb mode and treats skbs in\nptr_ring as XDP frames.\n\nPrematurely-stopped kthread will be fixed by the preceding patch and\nptr_ring will be empty when __cpu_map_ring_cleanup() is called. But\nas the comments in __cpu_map_ring_cleanup() said, handling and freeing\nskbs in ptr_ring as well to \"catch any broken behaviour gracefully\"."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/bpf/cpumap.c"], "versions": [{"version": "11941f8a85362f612df61f4aaab0e41b64d2111d", "lessThan": "b58d34068fd9f96bfc7d389988dfaf9a92a8fe00", "status": "affected", "versionType": "git"}, {"version": "11941f8a85362f612df61f4aaab0e41b64d2111d", "lessThan": "cbd000451885801e9bbfd9cf7a7946806a85cb5e", "status": "affected", "versionType": "git"}, {"version": "11941f8a85362f612df61f4aaab0e41b64d2111d", "lessThan": "937345720d18f1ad006ba3d5dcb3fa121037b8a2", "status": "affected", "versionType": "git"}, {"version": "11941f8a85362f612df61f4aaab0e41b64d2111d", "lessThan": "7c62b75cd1a792e14b037fa4f61f9b18914e7de1", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/bpf/cpumap.c"], "versions": [{"version": "5.15", "status": "affected"}, {"version": "0", "lessThan": "5.15", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.126", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.45", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.4.10", "lessThanOrEqual": "6.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.5", "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": "5.15", "versionEndExcluding": "5.15.126"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "6.1.45"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "6.4.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "6.5"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/b58d34068fd9f96bfc7d389988dfaf9a92a8fe00"}, {"url": "https://git.kernel.org/stable/c/cbd000451885801e9bbfd9cf7a7946806a85cb5e"}, {"url": "https://git.kernel.org/stable/c/937345720d18f1ad006ba3d5dcb3fa121037b8a2"}, {"url": "https://git.kernel.org/stable/c/7c62b75cd1a792e14b037fa4f61f9b18914e7de1"}], "title": "bpf, cpumap: Handle skb as well when clean up ptr_ring", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf, cpumap: Handle skb as well when clean up ptr_ring\n\nThe following warning was reported when running xdp_redirect_cpu with\nboth skb-mode and stress-mode enabled:\n\n ------------[ cut here ]------------\n Incorrect XDP memory type (-2128176192) usage\n WARNING: CPU: 7 PID: 1442 at net/core/xdp.c:405\n Modules linked in:\n CPU: 7 PID: 1442 Comm: kworker/7:0 Tainted: G 6.5.0-rc2+ #1\n Hardware name: QEMU Standard PC (i440FX + PIIX, 1996)\n Workqueue: events __cpu_map_entry_free\n RIP: 0010:__xdp_return+0x1e4/0x4a0\n ......\n Call Trace:\n <TASK>\n ? show_regs+0x65/0x70\n ? __warn+0xa5/0x240\n ? __xdp_return+0x1e4/0x4a0\n ......\n xdp_return_frame+0x4d/0x150\n __cpu_map_entry_free+0xf9/0x230\n process_one_work+0x6b0/0xb80\n worker_thread+0x96/0x720\n kthread+0x1a5/0x1f0\n ret_from_fork+0x3a/0x70\n ret_from_fork_asm+0x1b/0x30\n </TASK>\n\nThe reason for the warning is twofold. One is due to the kthread\ncpu_map_kthread_run() is stopped prematurely. Another one is\n__cpu_map_ring_cleanup() doesn't handle skb mode and treats skbs in\nptr_ring as XDP frames.\n\nPrematurely-stopped kthread will be fixed by the preceding patch and\nptr_ring will be empty when __cpu_map_ring_cleanup() is called. But\nas the comments in __cpu_map_ring_cleanup() said, handling and freeing\nskbs in ptr_ring as well to \"catch any broken behaviour gracefully\"."}], "id": "CVE-2023-53660", "lastModified": "2025-10-07T16:15:49.697", "metrics": {}, "published": "2025-10-07T16:15:49.697", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7c62b75cd1a792e14b037fa4f61f9b18914e7de1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/937345720d18f1ad006ba3d5dcb3fa121037b8a2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b58d34068fd9f96bfc7d389988dfaf9a92a8fe00"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/cbd000451885801e9bbfd9cf7a7946806a85cb5e"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: bpf, cpumap: Handle skb as well when clean up ptr_ring", "id": "2402238", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2402238"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["No description is available for this CVE."], "name": "CVE-2023-53660", "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:rhivos:1", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat In-Vehicle Operating System 1"}], "public_date": "2025-10-07T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-53660\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-53660\nhttps://lore.kernel.org/linux-cve-announce/2025100702-CVE-2023-53660-92d3@gregkh/T"], "threat_severity": "Low"}

{}