Vulnerability-Lookup

GHSA-P73W-X3R8-72C9

Vulnerability from github – Published: 2025-03-14 00:30 – Updated: 2025-03-14 00:30

Details

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

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{
  "affected": [],
  "aliases": [
    "CVE-2022-49148"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-401"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-02-26T07:00:51Z",
    "severity": "MODERATE"
  },
  "details": "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]",
  "id": "GHSA-p73w-x3r8-72c9",
  "modified": "2025-03-14T00:30:50Z",
  "published": "2025-03-14T00:30:50Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-49148"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/375cd2536494cfbcdda84ae8b3e35bf19d0250b9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3963a5d1ff75585bddf0c3a918566a6be09d7520"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4913daecd04addb41bc96a9175a885e1c19862a8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7169f60110915c8b53bffd43741fa020a75eb87a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b490207017ba237d97b735b2aa66dc241ccd18f5"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

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

Vulnerability from cvelistv5 – Published: 2025-02-26 01:55 – Updated: 2026-05-11 18:54

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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-10-01 19:47 UTC

CWE

CWE-401 - Missing Release of Memory after Effective Lifetime

Assigner

Linux mitre root Scorecard

References

5 references

URL	Tags
https://git.kernel.org/stable/c/7169f60110915c8b5…
https://git.kernel.org/stable/c/4913daecd04addb41…
https://git.kernel.org/stable/c/3963a5d1ff75585bd…
https://git.kernel.org/stable/c/375cd2536494cfbcd…
https://git.kernel.org/stable/c/b490207017ba237d9…

Impacted products

2 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)
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)

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JSON

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{
  "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"
                  },
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                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-10-01T19:47:50.624778Z",
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              },
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            }
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        "problemTypes": [
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                "description": "CWE-401 Missing Release of Memory after Effective Lifetime",
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              }
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        ],
        "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",
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          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
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          ]
        }
      ],
      "cpeApplicability": [
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}

Sightings

Author	Source	Type	Date	Other

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.

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GHSA-P73W-X3R8-72C9

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

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