cve-2024-35901
Vulnerability from cvelistv5
Published
2024-05-19 08:34
Modified
2024-08-02 03:21
Severity
Summary
net: mana: Fix Rx DMA datasize and skb_over_panic
References
SourceURLTags
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/05cb7c41fa1a7a7b2c2a6b81bbe7c67f5c11932b
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c0de6ab920aafb56feab56058e46b688e694a246
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ca58927b00385005f488b6a9905ced7a4f719aad
Impacted products
VendorProduct
LinuxLinux
LinuxLinux
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                "id": "CVE-2024-35901",
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                "role": "CISA Coordinator",
                "timestamp": "2024-05-20T17:12:59.513048Z",
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    "cna": {
      "affected": [
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          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/microsoft/mana/mana_en.c",
            "include/net/mana/mana.h"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: mana: Fix Rx DMA datasize and skb_over_panic\n\nmana_get_rxbuf_cfg() aligns the RX buffer\u0027s DMA datasize to be\nmultiple of 64. So a packet slightly bigger than mtu+14, say 1536,\ncan be received and cause skb_over_panic.\n\nSample dmesg:\n[ 5325.237162] skbuff: skb_over_panic: text:ffffffffc043277a len:1536 put:1536 head:ff1100018b517000 data:ff1100018b517100 tail:0x700 end:0x6ea dev:\u003cNULL\u003e\n[ 5325.243689] ------------[ cut here ]------------\n[ 5325.245748] kernel BUG at net/core/skbuff.c:192!\n[ 5325.247838] invalid opcode: 0000 [#1] PREEMPT SMP NOPTI\n[ 5325.258374] RIP: 0010:skb_panic+0x4f/0x60\n[ 5325.302941] Call Trace:\n[ 5325.304389]  \u003cIRQ\u003e\n[ 5325.315794]  ? skb_panic+0x4f/0x60\n[ 5325.317457]  ? asm_exc_invalid_op+0x1f/0x30\n[ 5325.319490]  ? skb_panic+0x4f/0x60\n[ 5325.321161]  skb_put+0x4e/0x50\n[ 5325.322670]  mana_poll+0x6fa/0xb50 [mana]\n[ 5325.324578]  __napi_poll+0x33/0x1e0\n[ 5325.326328]  net_rx_action+0x12e/0x280\n\nAs discussed internally, this alignment is not necessary. To fix\nthis bug, remove it from the code. So oversized packets will be\nmarked as CQE_RX_TRUNCATED by NIC, and dropped."
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        "dateUpdated": "2024-05-29T05:30:58.225Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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        {
          "url": "https://git.kernel.org/stable/c/c0de6ab920aafb56feab56058e46b688e694a246"
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      ],
      "title": "net: mana: Fix Rx DMA datasize and skb_over_panic",
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  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-35901",
    "datePublished": "2024-05-19T08:34:54.879Z",
    "dateReserved": "2024-05-17T13:50:33.114Z",
    "dateUpdated": "2024-08-02T03:21:48.589Z",
    "state": "PUBLISHED"
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  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-35901\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-05-19T09:15:10.967\",\"lastModified\":\"2024-05-20T13:00:04.957\",\"vulnStatus\":\"Awaiting Analysis\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnet: mana: Fix Rx DMA datasize and skb_over_panic\\n\\nmana_get_rxbuf_cfg() aligns the RX buffer\u0027s DMA datasize to be\\nmultiple of 64. So a packet slightly bigger than mtu+14, say 1536,\\ncan be received and cause skb_over_panic.\\n\\nSample dmesg:\\n[ 5325.237162] skbuff: skb_over_panic: text:ffffffffc043277a len:1536 put:1536 head:ff1100018b517000 data:ff1100018b517100 tail:0x700 end:0x6ea dev:\u003cNULL\u003e\\n[ 5325.243689] ------------[ cut here ]------------\\n[ 5325.245748] kernel BUG at net/core/skbuff.c:192!\\n[ 5325.247838] invalid opcode: 0000 [#1] PREEMPT SMP NOPTI\\n[ 5325.258374] RIP: 0010:skb_panic+0x4f/0x60\\n[ 5325.302941] Call Trace:\\n[ 5325.304389]  \u003cIRQ\u003e\\n[ 5325.315794]  ? skb_panic+0x4f/0x60\\n[ 5325.317457]  ? asm_exc_invalid_op+0x1f/0x30\\n[ 5325.319490]  ? skb_panic+0x4f/0x60\\n[ 5325.321161]  skb_put+0x4e/0x50\\n[ 5325.322670]  mana_poll+0x6fa/0xb50 [mana]\\n[ 5325.324578]  __napi_poll+0x33/0x1e0\\n[ 5325.326328]  net_rx_action+0x12e/0x280\\n\\nAs discussed internally, this alignment is not necessary. To fix\\nthis bug, remove it from the code. So oversized packets will be\\nmarked as CQE_RX_TRUNCATED by NIC, and dropped.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: mana: Fix Rx DMA datasize y skb_over_panic mana_get_rxbuf_cfg() alinea el tama\u00f1o de datos DMA del buffer RX para que sea m\u00faltiplo de 64. Entonces, un paquete ligeramente m\u00e1s grande que mtu+14, digamos 1536, se puede recibir y causar skb_over_panic. Dmesg de muestra: [5325.237162] skbuff: skb_over_panic: text:ffffffffc043277a len:1536 put:1536 head:ff1100018b517000 data:ff1100018b517100 tail:0x700 end:0x6ea dev: [ 689] ----------- -[ cortar aqu\u00ed ]------------ \u00a1BUG del kernel [5325.245748] en net/core/skbuff.c:192! [ 5325.247838] c\u00f3digo de operaci\u00f3n no v\u00e1lido: 0000 [#1] PREEMPT SMP NOPTI [ 5325.258374] RIP: 0010:skb_panic+0x4f/0x60 [ 5325.302941] Seguimiento de llamadas: [ 5325.304389]  [ 5325.315794] ? skb_panic+0x4f/0x60 [5325.317457]? asm_exc_invalid_op+0x1f/0x30 [5325.319490]? skb_panic+0x4f/0x60 [ 5325.321161] skb_put+0x4e/0x50 [ 5325.322670] mana_poll+0x6fa/0xb50 [mana] [ 5325.324578] __napi_poll+0x33/0x1e0 [ 5325.326328 ] net_rx_action+0x12e/0x280 Como se analiz\u00f3 internamente, esta alineaci\u00f3n no es necesaria. Para corregir este error, elim\u00ednelo del c\u00f3digo. Por lo tanto, los paquetes de gran tama\u00f1o ser\u00e1n marcados como CQE_RX_TRUNCATED por NIC y descartados.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/05cb7c41fa1a7a7b2c2a6b81bbe7c67f5c11932b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/c0de6ab920aafb56feab56058e46b688e694a246\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/ca58927b00385005f488b6a9905ced7a4f719aad\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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