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CVE-2025-68289 (GCVE-0-2025-68289)

Vulnerability from cvelistv5 – Published: 2025-12-16 15:06 – Updated: 2026-05-23 16:02
VLAI
Title
usb: gadget: f_eem: Fix memory leak in eem_unwrap
Summary
In the Linux kernel, the following vulnerability has been resolved: usb: gadget: f_eem: Fix memory leak in eem_unwrap The existing code did not handle the failure case of usb_ep_queue in the command path, potentially leading to memory leaks. Improve error handling to free all allocated resources on usb_ep_queue failure. This patch continues to use goto logic for error handling, as the existing error handling is complex and not easily adaptable to auto-cleanup helpers. kmemleak results: unreferenced object 0xffffff895a512300 (size 240): backtrace: slab_post_alloc_hook+0xbc/0x3a4 kmem_cache_alloc+0x1b4/0x358 skb_clone+0x90/0xd8 eem_unwrap+0x1cc/0x36c unreferenced object 0xffffff8a157f4000 (size 256): backtrace: slab_post_alloc_hook+0xbc/0x3a4 __kmem_cache_alloc_node+0x1b4/0x2dc kmalloc_trace+0x48/0x140 dwc3_gadget_ep_alloc_request+0x58/0x11c usb_ep_alloc_request+0x40/0xe4 eem_unwrap+0x204/0x36c unreferenced object 0xffffff8aadbaac00 (size 128): backtrace: slab_post_alloc_hook+0xbc/0x3a4 __kmem_cache_alloc_node+0x1b4/0x2dc __kmalloc+0x64/0x1a8 eem_unwrap+0x218/0x36c unreferenced object 0xffffff89ccef3500 (size 64): backtrace: slab_post_alloc_hook+0xbc/0x3a4 __kmem_cache_alloc_node+0x1b4/0x2dc kmalloc_trace+0x48/0x140 eem_unwrap+0x238/0x36c
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 3b545788505b2e2883aff13bdddeacaf88942a4f , < a9985a88b2fc29fbe1657fe8518908e261d6889c (git)
Affected: 4249d6fbc10fd997abdf8a1ea49c0389a0edf706 , < 5a1628283cd9dccf1e44acfb74e77504f4dc7472 (git)
Affected: 4249d6fbc10fd997abdf8a1ea49c0389a0edf706 , < 0ac07e476944a5e4c2b8b087dd167dec248c1bdf (git)
Affected: 4249d6fbc10fd997abdf8a1ea49c0389a0edf706 , < 41434488ca714ab15cb2a4d0378418d1be8052d2 (git)
Affected: 4249d6fbc10fd997abdf8a1ea49c0389a0edf706 , < e72c963177c708a167a7e17ed6c76320815157cf (git)
Affected: 4249d6fbc10fd997abdf8a1ea49c0389a0edf706 , < 0dea2e0069a7e9aa034696f8065945b7be6dd6b7 (git)
Affected: 4249d6fbc10fd997abdf8a1ea49c0389a0edf706 , < e4f5ce990818d37930cd9fb0be29eee0553c59d9 (git)
Affected: d55a236f1bab102e353ea5abb7b7b6ff7e847294 (git)
Affected: 8e275d3d5915a8f7db3786e3f84534bb48245f4c (git)
Affected: 3680a6ff9a9ccd3c664663da04bef2534397d591 (git)
Affected: d654be97e1b679616e3337b871a9ec8f31a88841 (git)
Affected: 8bdef7f21cb6e53c0ce3e1cbcb05975aa0dd0fe9 (git)
Affected: 77d7f071883cf2921a7547f82e41f15f7f860e35 (git)
Affected: a55093941e38113dd6f5f5d5d2705fec3018f332 (git)
Affected: 5.10.50 , < 5.10.247 (semver)
Affected: 4.4.276 , < 4.5 (semver)
Affected: 4.9.276 , < 4.10 (semver)
Affected: 4.14.240 , < 4.15 (semver)
Affected: 4.19.198 , < 4.20 (semver)
Affected: 5.4.132 , < 5.5 (semver)
Affected: 5.12.17 , < 5.13 (semver)
Affected: 5.13.2 , < 5.14 (semver)
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Linux Linux Affected: 5.14
Unaffected: 0 , < 5.14 (semver)
Unaffected: 5.10.247 , ≤ 5.10.* (semver)
Unaffected: 5.15.197 , ≤ 5.15.* (semver)
Unaffected: 6.1.159 , ≤ 6.1.* (semver)
Unaffected: 6.6.119 , ≤ 6.6.* (semver)
Unaffected: 6.12.61 , ≤ 6.12.* (semver)
Unaffected: 6.17.11 , ≤ 6.17.* (semver)
Unaffected: 6.18 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: gadget: f_eem: Fix memory leak in eem_unwrap\n\nThe existing code did not handle the failure case of usb_ep_queue in the\ncommand path, potentially leading to memory leaks.\n\nImprove error handling to free all allocated resources on usb_ep_queue\nfailure. This patch continues to use goto logic for error handling, as the\nexisting error handling is complex and not easily adaptable to auto-cleanup\nhelpers.\n\nkmemleak results:\n  unreferenced object 0xffffff895a512300 (size 240):\n    backtrace:\n      slab_post_alloc_hook+0xbc/0x3a4\n      kmem_cache_alloc+0x1b4/0x358\n      skb_clone+0x90/0xd8\n      eem_unwrap+0x1cc/0x36c\n  unreferenced object 0xffffff8a157f4000 (size 256):\n    backtrace:\n      slab_post_alloc_hook+0xbc/0x3a4\n      __kmem_cache_alloc_node+0x1b4/0x2dc\n      kmalloc_trace+0x48/0x140\n      dwc3_gadget_ep_alloc_request+0x58/0x11c\n      usb_ep_alloc_request+0x40/0xe4\n      eem_unwrap+0x204/0x36c\n  unreferenced object 0xffffff8aadbaac00 (size 128):\n    backtrace:\n      slab_post_alloc_hook+0xbc/0x3a4\n      __kmem_cache_alloc_node+0x1b4/0x2dc\n      __kmalloc+0x64/0x1a8\n      eem_unwrap+0x218/0x36c\n  unreferenced object 0xffffff89ccef3500 (size 64):\n    backtrace:\n      slab_post_alloc_hook+0xbc/0x3a4\n      __kmem_cache_alloc_node+0x1b4/0x2dc\n      kmalloc_trace+0x48/0x140\n      eem_unwrap+0x238/0x36c"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-23T16:02:32.799Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/a9985a88b2fc29fbe1657fe8518908e261d6889c"
        },
        {
          "url": "https://git.kernel.org/stable/c/5a1628283cd9dccf1e44acfb74e77504f4dc7472"
        },
        {
          "url": "https://git.kernel.org/stable/c/0ac07e476944a5e4c2b8b087dd167dec248c1bdf"
        },
        {
          "url": "https://git.kernel.org/stable/c/41434488ca714ab15cb2a4d0378418d1be8052d2"
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        {
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        },
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        },
        {
          "url": "https://git.kernel.org/stable/c/e4f5ce990818d37930cd9fb0be29eee0553c59d9"
        }
      ],
      "title": "usb: gadget: f_eem: Fix memory leak in eem_unwrap",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-68289",
    "datePublished": "2025-12-16T15:06:10.450Z",
    "dateReserved": "2025-12-16T14:48:05.292Z",
    "dateUpdated": "2026-05-23T16:02:32.799Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2025-68289",
      "date": "2026-09-17",
      "epss": "0.00207",
      "percentile": "0.11033"
    },
    "microsoft_vex": {
      "current_release_date": "2026-01-13T14:37:17.000Z",
      "cve": "CVE-2025-68289",
      "id": "msrc_CVE-2025-68289",
      "initial_release_date": "2025-12-02T00:00:00.000Z",
      "product_status:known_not_affected": "1",
      "source": "Microsoft CSAF VEX",
      "status": "final",
      "title": "usb: gadget: f_eem: Fix memory leak in eem_unwrap",
      "url": "https://msrc.microsoft.com/csaf/vex/2025/msrc_cve-2025-68289.json",
      "version": "3"
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    "nvd": {
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                ]
              },
              {
                "defaultStatus": "affected",
                "product": "Linux",
                "programFiles": [
                  "drivers/usb/gadget/function/f_eem.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": "5.10.*",
                    "status": "unaffected",
                    "version": "5.10.247",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "5.15.*",
                    "status": "unaffected",
                    "version": "5.15.197",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "6.1.*",
                    "status": "unaffected",
                    "version": "6.1.159",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "6.6.*",
                    "status": "unaffected",
                    "version": "6.6.119",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "6.12.*",
                    "status": "unaffected",
                    "version": "6.12.61",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "6.17.*",
                    "status": "unaffected",
                    "version": "6.17.11",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "*",
                    "status": "unaffected",
                    "version": "6.18",
                    "versionType": "original_commit_for_fix"
                  }
                ]
              }
            ],
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: gadget: f_eem: Fix memory leak in eem_unwrap\n\nThe existing code did not handle the failure case of usb_ep_queue in the\ncommand path, potentially leading to memory leaks.\n\nImprove error handling to free all allocated resources on usb_ep_queue\nfailure. This patch continues to use goto logic for error handling, as the\nexisting error handling is complex and not easily adaptable to auto-cleanup\nhelpers.\n\nkmemleak results:\n  unreferenced object 0xffffff895a512300 (size 240):\n    backtrace:\n      slab_post_alloc_hook+0xbc/0x3a4\n      kmem_cache_alloc+0x1b4/0x358\n      skb_clone+0x90/0xd8\n      eem_unwrap+0x1cc/0x36c\n  unreferenced object 0xffffff8a157f4000 (size 256):\n    backtrace:\n      slab_post_alloc_hook+0xbc/0x3a4\n      __kmem_cache_alloc_node+0x1b4/0x2dc\n      kmalloc_trace+0x48/0x140\n      dwc3_gadget_ep_alloc_request+0x58/0x11c\n      usb_ep_alloc_request+0x40/0xe4\n      eem_unwrap+0x204/0x36c\n  unreferenced object 0xffffff8aadbaac00 (size 128):\n    backtrace:\n      slab_post_alloc_hook+0xbc/0x3a4\n      __kmem_cache_alloc_node+0x1b4/0x2dc\n      __kmalloc+0x64/0x1a8\n      eem_unwrap+0x218/0x36c\n  unreferenced object 0xffffff89ccef3500 (size 64):\n    backtrace:\n      slab_post_alloc_hook+0xbc/0x3a4\n      __kmem_cache_alloc_node+0x1b4/0x2dc\n      kmalloc_trace+0x48/0x140\n      eem_unwrap+0x238/0x36c"
          }
        ],
        "id": "CVE-2025-68289",
        "lastModified": "2026-06-17T09:58:52.687",
        "metrics": {},
        "published": "2025-12-16T16:16:07.747",
        "references": [
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/0ac07e476944a5e4c2b8b087dd167dec248c1bdf"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/0dea2e0069a7e9aa034696f8065945b7be6dd6b7"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/41434488ca714ab15cb2a4d0378418d1be8052d2"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/5a1628283cd9dccf1e44acfb74e77504f4dc7472"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/a9985a88b2fc29fbe1657fe8518908e261d6889c"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/e4f5ce990818d37930cd9fb0be29eee0553c59d9"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/e72c963177c708a167a7e17ed6c76320815157cf"
          }
        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Deferred"
      }
    },
    "redhat_vex": {
      "aggregate_severity": "None",
      "current_release_date": "2026-06-30T10:23:31+00:00",
      "cve": "CVE-2025-68289",
      "id": "CVE-2025-68289",
      "initial_release_date": "2025-12-16T00:00:00+00:00",
      "product_status:known_not_affected": "274",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: usb: gadget: f_eem: Fix memory leak in eem_unwrap",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-68289.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-08-31T00:15:32Z",
      "cve": "CVE-2025-68289",
      "id": "CVE-2025-68289",
      "initial_release_date": "2025-12-19T00:24:35Z",
      "product_status:first_fixed": "2",
      "product_status:known_affected": "595",
      "product_status:known_not_affected": "234",
      "product_status:recommended": "384",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2025-68289",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2025-68289.json",
      "version": "29"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.