{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/sunrpc/sysfs.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "d59722d088a9d86ce6d9d39979e5d1d669d249f7",
              "status": "affected",
              "version": "baea99445dd4675a834e8a5987d2f368adb62e6c",
              "versionType": "git"
            },
            {
              "lessThan": "7b189b0aa8dab14b49c31c65af8a982e96e25b62",
              "status": "affected",
              "version": "baea99445dd4675a834e8a5987d2f368adb62e6c",
              "versionType": "git"
            },
            {
              "lessThan": "cbdeaee94a415800c65a8c3fa04d9664a8b8fb3a",
              "status": "affected",
              "version": "baea99445dd4675a834e8a5987d2f368adb62e6c",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "net/sunrpc/sysfs.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.14"
            },
            {
              "lessThan": "5.14",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.78",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.0.*",
              "status": "unaffected",
              "version": "6.0.8",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.78",
                  "versionStartIncluding": "5.14",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.0.8",
                  "versionStartIncluding": "5.14",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1",
                  "versionStartIncluding": "5.14",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nSUNRPC: Fix null-ptr-deref when xps sysfs alloc failed\n\nThere is a null-ptr-deref when xps sysfs alloc failed:\n  BUG: KASAN: null-ptr-deref in sysfs_do_create_link_sd+0x40/0xd0\n  Read of size 8 at addr 0000000000000030 by task gssproxy/457\n\n  CPU: 5 PID: 457 Comm: gssproxy Not tainted 6.0.0-09040-g02357b27ee03 #9\n  Call Trace:\n   \u003cTASK\u003e\n   dump_stack_lvl+0x34/0x44\n   kasan_report+0xa3/0x120\n   sysfs_do_create_link_sd+0x40/0xd0\n   rpc_sysfs_client_setup+0x161/0x1b0\n   rpc_new_client+0x3fc/0x6e0\n   rpc_create_xprt+0x71/0x220\n   rpc_create+0x1d4/0x350\n   gssp_rpc_create+0xc3/0x160\n   set_gssp_clnt+0xbc/0x140\n   write_gssp+0x116/0x1a0\n   proc_reg_write+0xd6/0x130\n   vfs_write+0x177/0x690\n   ksys_write+0xb9/0x150\n   do_syscall_64+0x35/0x80\n   entry_SYSCALL_64_after_hwframe+0x46/0xb0\n\nWhen the xprt_switch sysfs alloc failed, should not add xprt and\nswitch sysfs to it, otherwise, maybe null-ptr-deref; also initialize\nthe \u0027xps_sysfs\u0027 to NULL to avoid oops when destroy it."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-04T08:48:58.505Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/d59722d088a9d86ce6d9d39979e5d1d669d249f7"
        },
        {
          "url": "https://git.kernel.org/stable/c/7b189b0aa8dab14b49c31c65af8a982e96e25b62"
        },
        {
          "url": "https://git.kernel.org/stable/c/cbdeaee94a415800c65a8c3fa04d9664a8b8fb3a"
        }
      ],
      "title": "SUNRPC: Fix null-ptr-deref when xps sysfs alloc failed",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-49928",
    "datePublished": "2025-05-01T14:11:06.068Z",
    "dateReserved": "2025-05-01T14:05:17.253Z",
    "dateUpdated": "2025-05-04T08:48:58.505Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-49928\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-05-01T15:16:18.783\",\"lastModified\":\"2025-05-02T13:52:51.693\",\"vulnStatus\":\"Undergoing Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nSUNRPC: Fix null-ptr-deref when xps sysfs alloc failed\\n\\nThere is a null-ptr-deref when xps sysfs alloc failed:\\n  BUG: KASAN: null-ptr-deref in sysfs_do_create_link_sd+0x40/0xd0\\n  Read of size 8 at addr 0000000000000030 by task gssproxy/457\\n\\n  CPU: 5 PID: 457 Comm: gssproxy Not tainted 6.0.0-09040-g02357b27ee03 #9\\n  Call Trace:\\n   \u003cTASK\u003e\\n   dump_stack_lvl+0x34/0x44\\n   kasan_report+0xa3/0x120\\n   sysfs_do_create_link_sd+0x40/0xd0\\n   rpc_sysfs_client_setup+0x161/0x1b0\\n   rpc_new_client+0x3fc/0x6e0\\n   rpc_create_xprt+0x71/0x220\\n   rpc_create+0x1d4/0x350\\n   gssp_rpc_create+0xc3/0x160\\n   set_gssp_clnt+0xbc/0x140\\n   write_gssp+0x116/0x1a0\\n   proc_reg_write+0xd6/0x130\\n   vfs_write+0x177/0x690\\n   ksys_write+0xb9/0x150\\n   do_syscall_64+0x35/0x80\\n   entry_SYSCALL_64_after_hwframe+0x46/0xb0\\n\\nWhen the xprt_switch sysfs alloc failed, should not add xprt and\\nswitch sysfs to it, otherwise, maybe null-ptr-deref; also initialize\\nthe \u0027xps_sysfs\u0027 to NULL to avoid oops when destroy it.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: SUNRPC: Se corrige null-ptr-deref cuando falla la asignaci\u00f3n de sysfs en XPS. Hay un null-ptr-deref cuando falla la asignaci\u00f3n de sysfs en XPS: ERROR: KASAN: null-ptr-deref en sysfs_do_create_link_sd+0x40/0xd0 Lectura de tama\u00f1o 8 en la direcci\u00f3n 0000000000000030 por la tarea gssproxy/457 CPU: 5 PID: 457 Comm: gssproxy No contaminado 6.0.0-09040-g02357b27ee03 #9 Rastreo de llamadas:   dump_stack_lvl+0x34/0x44 kasan_report+0xa3/0x120 sysfs_do_create_link_sd+0x40/0xd0 rpc_sysfs_client_setup+0x161/0x1b0 rpc_new_client+0x3fc/0x6e0 rpc_create_xprt+0x71/0x220 rpc_create+0x1d4/0x350 gssp_rpc_create+0xc3/0x160 set_gssp_clnt+0xbc/0x140 write_gssp+0x116/0x1a0 proc_reg_write+0xd6/0x130 vfs_write+0x177/0x690 ksys_write+0xb9/0x150 do_syscall_64+0x35/0x80 entry_SYSCALL_64_after_hwframe+0x46/0xb0 Cuando la asignaci\u00f3n sysfs xprt_switch falla, no se debe agregar xprt y switch sysfs a \u00e9l, de lo contrario, tal vez null-ptr-deref; tambi\u00e9n inicialice \u0027xps_sysfs\u0027 a NULL para evitar errores al destruirlo.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/7b189b0aa8dab14b49c31c65af8a982e96e25b62\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/cbdeaee94a415800c65a8c3fa04d9664a8b8fb3a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/d59722d088a9d86ce6d9d39979e5d1d669d249f7\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}