{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/netdevsim/dev.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "207edad5717e0a5709ce8467f0eff41c607835c9",
              "status": "affected",
              "version": "d3cbb907ae57fe5da314b51d949b617b538bdeae",
              "versionType": "git"
            },
            {
              "lessThan": "064bc7312bd09a48798418663090be0c776183db",
              "status": "affected",
              "version": "d3cbb907ae57fe5da314b51d949b617b538bdeae",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/netdevsim/dev.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.7"
            },
            {
              "lessThan": "5.7",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.0.*",
              "status": "unaffected",
              "version": "6.0.10",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetdevsim: Fix memory leak of nsim_dev-\u003efa_cookie\n\nkmemleak reports this issue:\n\nunreferenced object 0xffff8881bac872d0 (size 8):\n  comm \"sh\", pid 58603, jiffies 4481524462 (age 68.065s)\n  hex dump (first 8 bytes):\n    04 00 00 00 de ad be ef                          ........\n  backtrace:\n    [\u003c00000000c80b8577\u003e] __kmalloc+0x49/0x150\n    [\u003c000000005292b8c6\u003e] nsim_dev_trap_fa_cookie_write+0xc1/0x210 [netdevsim]\n    [\u003c0000000093d78e77\u003e] full_proxy_write+0xf3/0x180\n    [\u003c000000005a662c16\u003e] vfs_write+0x1c5/0xaf0\n    [\u003c000000007aabf84a\u003e] ksys_write+0xed/0x1c0\n    [\u003c000000005f1d2e47\u003e] do_syscall_64+0x3b/0x90\n    [\u003c000000006001c6ec\u003e] entry_SYSCALL_64_after_hwframe+0x63/0xcd\n\nThe issue occurs in the following scenarios:\n\nnsim_dev_trap_fa_cookie_write()\n  kmalloc() fa_cookie\n  nsim_dev-\u003efa_cookie = fa_cookie\n..\nnsim_drv_remove()\n\nThe fa_cookie allocked in nsim_dev_trap_fa_cookie_write() is not freed. To\nfix, add kfree(nsim_dev-\u003efa_cookie) to nsim_drv_remove()."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-01T14:09:30.971Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/207edad5717e0a5709ce8467f0eff41c607835c9"
        },
        {
          "url": "https://git.kernel.org/stable/c/064bc7312bd09a48798418663090be0c776183db"
        }
      ],
      "title": "netdevsim: Fix memory leak of nsim_dev-\u003efa_cookie",
      "x_generator": {
        "engine": "bippy-1.1.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-49803",
    "datePublished": "2025-05-01T14:09:30.971Z",
    "dateReserved": "2025-05-01T14:05:17.225Z",
    "dateUpdated": "2025-05-01T14:09:30.971Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-49803\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-05-01T15:16:03.617\",\"lastModified\":\"2025-05-01T15:16:03.617\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnetdevsim: Fix memory leak of nsim_dev-\u003efa_cookie\\n\\nkmemleak reports this issue:\\n\\nunreferenced object 0xffff8881bac872d0 (size 8):\\n  comm \\\"sh\\\", pid 58603, jiffies 4481524462 (age 68.065s)\\n  hex dump (first 8 bytes):\\n    04 00 00 00 de ad be ef                          ........\\n  backtrace:\\n    [\u003c00000000c80b8577\u003e] __kmalloc+0x49/0x150\\n    [\u003c000000005292b8c6\u003e] nsim_dev_trap_fa_cookie_write+0xc1/0x210 [netdevsim]\\n    [\u003c0000000093d78e77\u003e] full_proxy_write+0xf3/0x180\\n    [\u003c000000005a662c16\u003e] vfs_write+0x1c5/0xaf0\\n    [\u003c000000007aabf84a\u003e] ksys_write+0xed/0x1c0\\n    [\u003c000000005f1d2e47\u003e] do_syscall_64+0x3b/0x90\\n    [\u003c000000006001c6ec\u003e] entry_SYSCALL_64_after_hwframe+0x63/0xcd\\n\\nThe issue occurs in the following scenarios:\\n\\nnsim_dev_trap_fa_cookie_write()\\n  kmalloc() fa_cookie\\n  nsim_dev-\u003efa_cookie = fa_cookie\\n..\\nnsim_drv_remove()\\n\\nThe fa_cookie allocked in nsim_dev_trap_fa_cookie_write() is not freed. To\\nfix, add kfree(nsim_dev-\u003efa_cookie) to nsim_drv_remove().\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/064bc7312bd09a48798418663090be0c776183db\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/207edad5717e0a5709ce8467f0eff41c607835c9\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}