CVE-2024-53094 (GCVE-0-2024-53094)

Vulnerability from cvelistv5 – Published: 2024-11-21 18:17 – Updated: 2026-08-05 11:43
VLAI
Title
RDMA/siw: Add sendpage_ok() check to disable MSG_SPLICE_PAGES
Summary
In the Linux kernel, the following vulnerability has been resolved: RDMA/siw: Add sendpage_ok() check to disable MSG_SPLICE_PAGES While running ISER over SIW, the initiator machine encounters a warning from skb_splice_from_iter() indicating that a slab page is being used in send_page. To address this, it is better to add a sendpage_ok() check within the driver itself, and if it returns 0, then MSG_SPLICE_PAGES flag should be disabled before entering the network stack. A similar issue has been discussed for NVMe in this thread: https://lore.kernel.org/all/20240530142417.146696-1-ofir.gal@volumez.com/ WARNING: CPU: 0 PID: 5342 at net/core/skbuff.c:7140 skb_splice_from_iter+0x173/0x320 Call Trace: tcp_sendmsg_locked+0x368/0xe40 siw_tx_hdt+0x695/0xa40 [siw] siw_qp_sq_process+0x102/0xb00 [siw] siw_sq_resume+0x39/0x110 [siw] siw_run_sq+0x74/0x160 [siw] kthread+0xd2/0x100 ret_from_fork+0x34/0x40 ret_from_fork_asm+0x1a/0x30
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-01 20:11 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 0e935ae6afcdbe6f0c0aa457ae57feccc63bb9be , < 3406bfc813a9bbd9c3055795e985f527b7852e8c (git)
Affected: 0e935ae6afcdbe6f0c0aa457ae57feccc63bb9be , < bb5738957d92c8603a90c9664d34236641c221b2 (git)
Affected: 0e935ae6afcdbe6f0c0aa457ae57feccc63bb9be , < 4e1e3dd88a4cedd5ccc1a3fc3d71e03b70a7a791 (git)
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Linux Linux Affected: 5.3
Unaffected: 0 , < 5.3 (semver)
Unaffected: 6.6.62 , ≤ 6.6.* (semver)
Unaffected: 6.11.9 , ≤ 6.11.* (semver)
Unaffected: 6.12 , ≤ * (original_commit_for_fix)
Create a notification for this product.
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              "value": "AV:N - siw is an RDMA-over-TCP transport, and the vulnerable transmit path is driven by remote input \u2014 `siw_init_rresp()` takes the read length, local address and stag directly from a peer\u0027s RDMA Read Request off the TCP stream, and any length \u2265 PAGE_SIZE selects the `MSG_SPLICE_PAGES` zero-copy path. The reported failure also occurs in ordinary remote-peer-driven iSER-over-siw traffic.\nAC:L - No race or unpredictable state is involved; slab-backed kernel-ULP buffers are the normal case (the reporter hit it in routine ISER-over-SIW operation), and the peer simply issues a read/transfer of at least PAGE_SIZE against an advertised region. `zcopy_tx` is hardcoded true and READ_RESPONSE WQEs are always unsignalled, so the zero-copy path is taken deterministically.\nPR:N - iWARP/MPA has no in-kernel authentication, and the RX path processes an inbound RDMA Read Request and queues the READ_RESPONSE with `perms = 0` \u2014 no access-rights or credential check gates the vulnerable transmit path. A peer at the far end of the RDMA connection holds no privileges on the victim host.\nUI:N - Triggering requires only normal or attacker-generated RDMA traffic on an established connection; no action by a local user or administrator on the victim system is needed.\nS:U - The fault, the corrupted page references and the resulting crash all occur within the victim kernel\u0027s own security authority; no VM, IOMMU or sandbox boundary is crossed.\nC:H - Handing non-`sendpage_ok()` pages to the network stack is exactly the condition `sendpage_ok()` exists to prevent \u2014 TCP retains references to slab pages that the allocator may recycle, so retransmitted segments can leak recycled kernel slab contents to the remote peer, and the resulting refcount corruption is a memory-corruption class defect leverageable for disclosure.\nI:H - `get_page()`/`put_page()` on slab pages corrupts the page refcount and can release a page that is still in use (the \"delayed Oops\" documented in include/linux/net.h), a use-after-free-class primitive; data transmitted from buffers the ULP has already freed or reused also corrupts on-wire data and MPA CRCs.\nA:H - The bad page trips `WARN_ON_ONCE()` in `skb_splice_from_iter()`, which is a kernel panic on any system with `panic_on_warn=1`, and returns `-EIO`, which aborts the FPDU, drives the QP to error state and tears down the RDMA storage/NFS session \u2014 repeatably, at the remote peer\u0027s discretion."
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      "descriptions": "[{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nRDMA/siw: Add sendpage_ok() check to disable MSG_SPLICE_PAGES\\n\\nWhile running ISER over SIW, the initiator machine encounters a warning\\nfrom skb_splice_from_iter() indicating that a slab page is being used in\\nsend_page. To address this, it is better to add a sendpage_ok() check\\nwithin the driver itself, and if it returns 0, then MSG_SPLICE_PAGES flag\\nshould be disabled before entering the network stack.\\n\\nA similar issue has been discussed for NVMe in this thread:\\nhttps://lore.kernel.org/all/20240530142417.146696-1-ofir.gal@volumez.com/\\n\\n  WARNING: CPU: 0 PID: 5342 at net/core/skbuff.c:7140 skb_splice_from_iter+0x173/0x320\\n  Call Trace:\\n   tcp_sendmsg_locked+0x368/0xe40\\n   siw_tx_hdt+0x695/0xa40 [siw]\\n   siw_qp_sq_process+0x102/0xb00 [siw]\\n   siw_sq_resume+0x39/0x110 [siw]\\n   siw_run_sq+0x74/0x160 [siw]\\n   kthread+0xd2/0x100\\n   ret_from_fork+0x34/0x40\\n   ret_from_fork_asm+0x1a/0x30\"}, {\"lang\": \"es\", \"value\": \"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: RDMA/siw: Agregar la comprobaci\\u00f3n sendpage_ok() para deshabilitar MSG_SPLICE_PAGES Mientras se ejecuta ISER sobre SIW, la m\\u00e1quina iniciadora encuentra una advertencia de skb_splice_from_iter() que indica que se est\\u00e1 utilizando una p\\u00e1gina slab en send_page. Para solucionar esto, es mejor agregar una comprobaci\\u00f3n sendpage_ok() dentro del propio controlador y, si devuelve 0, entonces se debe deshabilitar el indicador MSG_SPLICE_PAGES antes de ingresar a la pila de red. Se ha discutido un problema similar para NVMe en este hilo: https://lore.kernel.org/all/20240530142417.146696-1-ofir.gal@volumez.com/ ADVERTENCIA: CPU: 0 PID: 5342 en net/core/skbuff.c:7140 skb_splice_from_iter+0x173/0x320 Seguimiento de llamadas: tcp_sendmsg_locked+0x368/0xe40 siw_tx_hdt+0x695/0xa40 [siw] siw_qp_sq_process+0x102/0xb00 [siw] siw_sq_resume+0x39/0x110 [siw] siw_run_sq+0x74/0x160 [siw] kthread+0xd2/0x100 ret_de_la_bifurcaci\\u00f3n+0x34/0x40 ret_de_la_bifurcaci\\u00f3n_asm+0x1a/0x30\"}]",
      "id": "CVE-2024-53094",
      "lastModified": "2024-12-24T15:07:35.193",
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      "product_status:fixed": "2",
      "product_status:known_affected": "2",
      "product_status:under_investigation": "3",
      "source": "Microsoft CSAF VEX",
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      "title": "RDMA/siw: Add sendpage_ok() check to disable MSG_SPLICE_PAGES",
      "url": "https://msrc.microsoft.com/csaf/vex/2024/msrc_cve-2024-53094.json",
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To address this, it is better to add a sendpage_ok() check\\nwithin the driver itself, and if it returns 0, then MSG_SPLICE_PAGES flag\\nshould be disabled before entering the network stack.\\n\\nA similar issue has been discussed for NVMe in this thread:\\nhttps://lore.kernel.org/all/20240530142417.146696-1-ofir.gal@volumez.com/\\n\\n  WARNING: CPU: 0 PID: 5342 at net/core/skbuff.c:7140 skb_splice_from_iter+0x173/0x320\\n  Call Trace:\\n   tcp_sendmsg_locked+0x368/0xe40\\n   siw_tx_hdt+0x695/0xa40 [siw]\\n   siw_qp_sq_process+0x102/0xb00 [siw]\\n   siw_sq_resume+0x39/0x110 [siw]\\n   siw_run_sq+0x74/0x160 [siw]\\n   kthread+0xd2/0x100\\n   ret_from_fork+0x34/0x40\\n   ret_from_fork_asm+0x1a/0x30\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: RDMA/siw: Agregar la comprobaci\u00f3n sendpage_ok() para deshabilitar MSG_SPLICE_PAGES Mientras se ejecuta ISER sobre SIW, la m\u00e1quina iniciadora encuentra una advertencia de skb_splice_from_iter() que indica que se est\u00e1 utilizando una p\u00e1gina slab en send_page. Para solucionar esto, es mejor agregar una comprobaci\u00f3n sendpage_ok() dentro del propio controlador y, si devuelve 0, entonces se debe deshabilitar el indicador MSG_SPLICE_PAGES antes de ingresar a la pila de red. Se ha discutido un problema similar para NVMe en este hilo: https://lore.kernel.org/all/20240530142417.146696-1-ofir.gal@volumez.com/ ADVERTENCIA: CPU: 0 PID: 5342 en net/core/skbuff.c:7140 skb_splice_from_iter+0x173/0x320 Seguimiento de llamadas: tcp_sendmsg_locked+0x368/0xe40 siw_tx_hdt+0x695/0xa40 [siw] siw_qp_sq_process+0x102/0xb00 [siw] siw_sq_resume+0x39/0x110 [siw] siw_run_sq+0x74/0x160 [siw] kthread+0xd2/0x100 ret_de_la_bifurcaci\u00f3n+0x34/0x40 ret_de_la_bifurcaci\u00f3n_asm+0x1a/0x30\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"drivers/infiniband/sw/siw/siw_qp_tx.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"0e935ae6afcdbe6f0c0aa457ae57feccc63bb9be\",\"lessThan\":\"3406bfc813a9bbd9c3055795e985f527b7852e8c\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"0e935ae6afcdbe6f0c0aa457ae57feccc63bb9be\",\"lessThan\":\"bb5738957d92c8603a90c9664d34236641c221b2\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"0e935ae6afcdbe6f0c0aa457ae57feccc63bb9be\",\"lessThan\":\"4e1e3dd88a4cedd5ccc1a3fc3d71e03b70a7a791\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"drivers/infiniband/sw/siw/siw_qp_tx.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"5.3\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"5.3\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.6.62\",\"lessThanOrEqual\":\"6.6.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.11.9\",\"lessThanOrEqual\":\"6.11.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.12\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":9.8,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":5.9},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2025-10-01T20:11:21.053170Z\",\"id\":\"CVE-2024-53094\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"6.6.62\",\"matchCriteriaId\":\"E6074648-EE3E-4378-87E7-509F45D0245A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.11.9\",\"matchCriteriaId\":\"759504D4-BE53-492C-BA9B-70F6A9F409CA\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.12:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"7F361E1D-580F-4A2D-A509-7615F73167A1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.12:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"925478D0-3E3D-4E6F-ACD5-09F28D5DF82C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.12:rc3:*:*:*:*:*:*\",\"matchCriteriaId\":\"3C95E234-D335-4B6C-96BF-E2CEBD8654ED\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/3406bfc813a9bbd9c3055795e985f527b7852e8c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/4e1e3dd88a4cedd5ccc1a3fc3d71e03b70a7a791\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/bb5738957d92c8603a90c9664d34236641c221b2\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}",
    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-08-04T22:40:51+00:00",
      "cve": "CVE-2024-53094",
      "id": "CVE-2024-53094",
      "initial_release_date": "2024-11-21T00:00:00+00:00",
      "product_status:known_affected": "156",
      "product_status:known_not_affected": "42",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: RDMA/siw: Add sendpage_ok() check to disable MSG_SPLICE_PAGES",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-53094.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-07-25T01:23:29Z",
      "cve": "CVE-2024-53094",
      "id": "CVE-2024-53094",
      "initial_release_date": "2024-11-22T03:48:12Z",
      "product_status:known_affected": "394",
      "product_status:known_not_affected": "310",
      "product_status:recommended": "310",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2024-53094",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2024-53094.json",
      "version": "49"
    },
    "vulnrichment": {
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      "cveMetadata": "{\"cveId\": \"CVE-2024-53094\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"state\": \"PUBLISHED\", \"assignerShortName\": \"Linux\", \"dateReserved\": \"2024-11-19T17:17:24.982Z\", \"datePublished\": \"2024-11-21T18:17:10.600Z\", \"dateUpdated\": \"2025-05-04T09:52:54.089Z\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
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  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.