CVE-2022-49148 (GCVE-0-2022-49148)

Vulnerability from cvelistv5 – Published: 2025-02-26 01:55 – Updated: 2025-10-01 19:57
VLAI?
Title
watch_queue: Free the page array when watch_queue is dismantled
Summary
In the Linux kernel, the following vulnerability has been resolved: watch_queue: Free the page array when watch_queue is dismantled Commit 7ea1a0124b6d ("watch_queue: Free the alloc bitmap when the watch_queue is torn down") took care of the bitmap, but not the page array. BUG: memory leak unreferenced object 0xffff88810d9bc140 (size 32): comm "syz-executor335", pid 3603, jiffies 4294946994 (age 12.840s) hex dump (first 32 bytes): 40 a7 40 04 00 ea ff ff 00 00 00 00 00 00 00 00 @.@............. 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: kmalloc_array include/linux/slab.h:621 [inline] kcalloc include/linux/slab.h:652 [inline] watch_queue_set_size+0x12f/0x2e0 kernel/watch_queue.c:251 pipe_ioctl+0x82/0x140 fs/pipe.c:632 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:874 [inline] __se_sys_ioctl fs/ioctl.c:860 [inline] __x64_sys_ioctl+0xfc/0x140 fs/ioctl.c:860 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
Severity ?
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-401 - Missing Release of Memory after Effective Lifetime
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: c73be61cede5882f9605a852414db559c0ebedfd , < 7169f60110915c8b53bffd43741fa020a75eb87a (git)
Affected: c73be61cede5882f9605a852414db559c0ebedfd , < 4913daecd04addb41bc96a9175a885e1c19862a8 (git)
Affected: c73be61cede5882f9605a852414db559c0ebedfd , < 3963a5d1ff75585bddf0c3a918566a6be09d7520 (git)
Affected: c73be61cede5882f9605a852414db559c0ebedfd , < 375cd2536494cfbcdda84ae8b3e35bf19d0250b9 (git)
Affected: c73be61cede5882f9605a852414db559c0ebedfd , < b490207017ba237d97b735b2aa66dc241ccd18f5 (git)
Create a notification for this product.
    Linux Linux Affected: 5.8
Unaffected: 0 , < 5.8 (semver)
Unaffected: 5.10.110 , ≤ 5.10.* (semver)
Unaffected: 5.15.33 , ≤ 5.15.* (semver)
Unaffected: 5.16.19 , ≤ 5.16.* (semver)
Unaffected: 5.17.2 , ≤ 5.17.* (semver)
Unaffected: 5.18 , ≤ * (original_commit_for_fix)
Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 5.5,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2022-49148",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-10-01T19:47:50.624778Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-401",
                "description": "CWE-401 Missing Release of Memory after Effective Lifetime",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-10-01T19:57:01.488Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "kernel/watch_queue.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "7169f60110915c8b53bffd43741fa020a75eb87a",
              "status": "affected",
              "version": "c73be61cede5882f9605a852414db559c0ebedfd",
              "versionType": "git"
            },
            {
              "lessThan": "4913daecd04addb41bc96a9175a885e1c19862a8",
              "status": "affected",
              "version": "c73be61cede5882f9605a852414db559c0ebedfd",
              "versionType": "git"
            },
            {
              "lessThan": "3963a5d1ff75585bddf0c3a918566a6be09d7520",
              "status": "affected",
              "version": "c73be61cede5882f9605a852414db559c0ebedfd",
              "versionType": "git"
            },
            {
              "lessThan": "375cd2536494cfbcdda84ae8b3e35bf19d0250b9",
              "status": "affected",
              "version": "c73be61cede5882f9605a852414db559c0ebedfd",
              "versionType": "git"
            },
            {
              "lessThan": "b490207017ba237d97b735b2aa66dc241ccd18f5",
              "status": "affected",
              "version": "c73be61cede5882f9605a852414db559c0ebedfd",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "kernel/watch_queue.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.8"
            },
            {
              "lessThan": "5.8",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.110",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.33",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.16.*",
              "status": "unaffected",
              "version": "5.16.19",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.17.*",
              "status": "unaffected",
              "version": "5.17.2",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "5.18",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.110",
                  "versionStartIncluding": "5.8",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.33",
                  "versionStartIncluding": "5.8",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.16.19",
                  "versionStartIncluding": "5.8",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.17.2",
                  "versionStartIncluding": "5.8",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.18",
                  "versionStartIncluding": "5.8",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwatch_queue: Free the page array when watch_queue is dismantled\n\nCommit 7ea1a0124b6d (\"watch_queue: Free the alloc bitmap when the\nwatch_queue is torn down\") took care of the bitmap, but not the page\narray.\n\n  BUG: memory leak\n  unreferenced object 0xffff88810d9bc140 (size 32):\n  comm \"syz-executor335\", pid 3603, jiffies 4294946994 (age 12.840s)\n  hex dump (first 32 bytes):\n    40 a7 40 04 00 ea ff ff 00 00 00 00 00 00 00 00  @.@.............\n    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n  backtrace:\n     kmalloc_array include/linux/slab.h:621 [inline]\n     kcalloc include/linux/slab.h:652 [inline]\n     watch_queue_set_size+0x12f/0x2e0 kernel/watch_queue.c:251\n     pipe_ioctl+0x82/0x140 fs/pipe.c:632\n     vfs_ioctl fs/ioctl.c:51 [inline]\n     __do_sys_ioctl fs/ioctl.c:874 [inline]\n     __se_sys_ioctl fs/ioctl.c:860 [inline]\n     __x64_sys_ioctl+0xfc/0x140 fs/ioctl.c:860\n     do_syscall_x64 arch/x86/entry/common.c:50 [inline]"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-04T08:31:00.333Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/7169f60110915c8b53bffd43741fa020a75eb87a"
        },
        {
          "url": "https://git.kernel.org/stable/c/4913daecd04addb41bc96a9175a885e1c19862a8"
        },
        {
          "url": "https://git.kernel.org/stable/c/3963a5d1ff75585bddf0c3a918566a6be09d7520"
        },
        {
          "url": "https://git.kernel.org/stable/c/375cd2536494cfbcdda84ae8b3e35bf19d0250b9"
        },
        {
          "url": "https://git.kernel.org/stable/c/b490207017ba237d97b735b2aa66dc241ccd18f5"
        }
      ],
      "title": "watch_queue: Free the page array when watch_queue is dismantled",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-49148",
    "datePublished": "2025-02-26T01:55:15.872Z",
    "dateReserved": "2025-02-26T01:49:39.273Z",
    "dateUpdated": "2025-10-01T19:57:01.488Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "vulnrichment": {
      "containers": "{\"cna\": {\"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-05-04T08:31:00.333Z\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nwatch_queue: Free the page array when watch_queue is dismantled\\n\\nCommit 7ea1a0124b6d (\\\"watch_queue: Free the alloc bitmap when the\\nwatch_queue is torn down\\\") took care of the bitmap, but not the page\\narray.\\n\\n  BUG: memory leak\\n  unreferenced object 0xffff88810d9bc140 (size 32):\\n  comm \\\"syz-executor335\\\", pid 3603, jiffies 4294946994 (age 12.840s)\\n  hex dump (first 32 bytes):\\n    40 a7 40 04 00 ea ff ff 00 00 00 00 00 00 00 00  @.@.............\\n    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\\n  backtrace:\\n     kmalloc_array include/linux/slab.h:621 [inline]\\n     kcalloc include/linux/slab.h:652 [inline]\\n     watch_queue_set_size+0x12f/0x2e0 kernel/watch_queue.c:251\\n     pipe_ioctl+0x82/0x140 fs/pipe.c:632\\n     vfs_ioctl fs/ioctl.c:51 [inline]\\n     __do_sys_ioctl fs/ioctl.c:874 [inline]\\n     __se_sys_ioctl fs/ioctl.c:860 [inline]\\n     __x64_sys_ioctl+0xfc/0x140 fs/ioctl.c:860\\n     do_syscall_x64 arch/x86/entry/common.c:50 [inline]\"}], \"affected\": [{\"product\": \"Linux\", \"vendor\": \"Linux\", \"defaultStatus\": \"unaffected\", \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"programFiles\": [\"kernel/watch_queue.c\"], \"versions\": [{\"version\": \"c73be61cede5882f9605a852414db559c0ebedfd\", \"lessThan\": \"7169f60110915c8b53bffd43741fa020a75eb87a\", \"status\": \"affected\", \"versionType\": \"git\"}, {\"version\": \"c73be61cede5882f9605a852414db559c0ebedfd\", \"lessThan\": \"4913daecd04addb41bc96a9175a885e1c19862a8\", \"status\": \"affected\", \"versionType\": \"git\"}, {\"version\": \"c73be61cede5882f9605a852414db559c0ebedfd\", \"lessThan\": \"3963a5d1ff75585bddf0c3a918566a6be09d7520\", \"status\": \"affected\", \"versionType\": \"git\"}, {\"version\": \"c73be61cede5882f9605a852414db559c0ebedfd\", \"lessThan\": \"375cd2536494cfbcdda84ae8b3e35bf19d0250b9\", \"status\": \"affected\", \"versionType\": \"git\"}, {\"version\": \"c73be61cede5882f9605a852414db559c0ebedfd\", \"lessThan\": \"b490207017ba237d97b735b2aa66dc241ccd18f5\", \"status\": \"affected\", \"versionType\": \"git\"}]}, {\"product\": \"Linux\", \"vendor\": \"Linux\", \"defaultStatus\": \"affected\", \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"programFiles\": [\"kernel/watch_queue.c\"], \"versions\": [{\"version\": \"5.8\", \"status\": \"affected\"}, {\"version\": \"0\", \"lessThan\": \"5.8\", \"status\": \"unaffected\", \"versionType\": \"semver\"}, {\"version\": \"5.10.110\", \"lessThanOrEqual\": \"5.10.*\", \"status\": \"unaffected\", \"versionType\": \"semver\"}, {\"version\": \"5.15.33\", \"lessThanOrEqual\": \"5.15.*\", \"status\": \"unaffected\", \"versionType\": \"semver\"}, {\"version\": \"5.16.19\", \"lessThanOrEqual\": \"5.16.*\", \"status\": \"unaffected\", \"versionType\": \"semver\"}, {\"version\": \"5.17.2\", \"lessThanOrEqual\": \"5.17.*\", \"status\": \"unaffected\", \"versionType\": \"semver\"}, {\"version\": \"5.18\", \"lessThanOrEqual\": \"*\", \"status\": \"unaffected\", \"versionType\": \"original_commit_for_fix\"}]}], \"cpeApplicability\": [{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"5.8\", \"versionEndExcluding\": \"5.10.110\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"5.8\", \"versionEndExcluding\": \"5.15.33\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"5.8\", \"versionEndExcluding\": \"5.16.19\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"5.8\", \"versionEndExcluding\": \"5.17.2\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"5.8\", \"versionEndExcluding\": \"5.18\"}]}]}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/7169f60110915c8b53bffd43741fa020a75eb87a\"}, {\"url\": \"https://git.kernel.org/stable/c/4913daecd04addb41bc96a9175a885e1c19862a8\"}, {\"url\": \"https://git.kernel.org/stable/c/3963a5d1ff75585bddf0c3a918566a6be09d7520\"}, {\"url\": \"https://git.kernel.org/stable/c/375cd2536494cfbcdda84ae8b3e35bf19d0250b9\"}, {\"url\": \"https://git.kernel.org/stable/c/b490207017ba237d97b735b2aa66dc241ccd18f5\"}], \"title\": \"watch_queue: Free the page array when watch_queue is dismantled\", \"x_generator\": {\"engine\": \"bippy-1.2.0\"}}, \"adp\": [{\"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 5.5, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"NONE\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2022-49148\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-10-01T19:47:50.624778Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-401\", \"description\": \"CWE-401 Missing Release of Memory after Effective Lifetime\"}]}], \"providerMetadata\": {\"shortName\": \"CISA-ADP\", \"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"dateUpdated\": \"2025-10-01T16:07:41.819Z\"}, \"title\": \"CISA ADP Vulnrichment\"}]}",
      "cveMetadata": "{\"cveId\": \"CVE-2022-49148\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"state\": \"PUBLISHED\", \"assignerShortName\": \"Linux\", \"dateReserved\": \"2025-02-26T01:49:39.273Z\", \"datePublished\": \"2025-02-26T01:55:15.872Z\", \"dateUpdated\": \"2025-05-04T08:31:00.333Z\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

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.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • 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.