{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "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's 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:<NULL>\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]  <IRQ>\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."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "drivers/net/ethernet/microsoft/mana/mana_en.c",
                  "include/net/mana/mana.h"
               ],
               "versions": [
                  {
                     "version": "2fbbd712baf1",
                     "lessThan": "ca58927b0038",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "2fbbd712baf1",
                     "lessThan": "05cb7c41fa1a",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "2fbbd712baf1",
                     "lessThan": "c0de6ab920aa",
                     "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/microsoft/mana/mana_en.c",
                  "include/net/mana/mana.h"
               ],
               "versions": [
                  {
                     "version": "6.4",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "6.4",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.6.26",
                     "lessThanOrEqual": "6.6.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.8.5",
                     "lessThanOrEqual": "6.8.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.9",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/ca58927b00385005f488b6a9905ced7a4f719aad"
            },
            {
               "url": "https://git.kernel.org/stable/c/05cb7c41fa1a7a7b2c2a6b81bbe7c67f5c11932b"
            },
            {
               "url": "https://git.kernel.org/stable/c/c0de6ab920aafb56feab56058e46b688e694a246"
            }
         ],
         "title": "net: mana: Fix Rx DMA datasize and skb_over_panic",
         "x_generator": {
            "engine": "bippy-a5840b7849dd"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2024-35901",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}