CVE-2024-56602 (GCVE-0-2024-56602)

Vulnerability from cvelistv5 – Published: 2024-12-27 14:51 – Updated: 2026-08-05 11:45
VLAI
Title
net: ieee802154: do not leave a dangling sk pointer in ieee802154_create()
Summary
In the Linux kernel, the following vulnerability has been resolved: net: ieee802154: do not leave a dangling sk pointer in ieee802154_create() sock_init_data() attaches the allocated sk object to the provided sock object. If ieee802154_create() fails later, the allocated sk object is freed, but the dangling pointer remains in the provided sock object, which may allow use-after-free. Clear the sk pointer in the sock object on error.
Severity
7 (High)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-02-11 15:42 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 9ec7671603573ede31207eb5b0b3e1aa211b2854 , < 1d5fe782c0ff068d80933f9cfd0fd39d5434bbc9 (git)
Affected: 9ec7671603573ede31207eb5b0b3e1aa211b2854 , < 14959fd7538b3be6d7617d9e60e404d6a8d4fd1f (git)
Affected: 9ec7671603573ede31207eb5b0b3e1aa211b2854 , < 2b46994a6e76c8cc5556772932b9b60d03a55cd8 (git)
Affected: 9ec7671603573ede31207eb5b0b3e1aa211b2854 , < e8bd6c5f5dc2234b4ea714380aedeea12a781754 (git)
Affected: 9ec7671603573ede31207eb5b0b3e1aa211b2854 , < b4982fbf13042e3bb33e04eddfea8b1506b5ea65 (git)
Affected: 9ec7671603573ede31207eb5b0b3e1aa211b2854 , < 03caa9bfb9fde97fb53d33decd7364514e6825cb (git)
Affected: 9ec7671603573ede31207eb5b0b3e1aa211b2854 , < b4fcd63f6ef79c73cafae8cf4a114def5fc3d80d (git)
guessed Create a notification for this product.
Linux Linux Affected: 2.6.31
Unaffected: 0 , < 2.6.31 (semver)
Unaffected: 5.4.287 , ≤ 5.4.* (semver)
Unaffected: 5.10.231 , ≤ 5.10.* (semver)
Unaffected: 5.15.174 , ≤ 5.15.* (semver)
Unaffected: 6.1.120 , ≤ 6.1.* (semver)
Unaffected: 6.6.66 , ≤ 6.6.* (semver)
Unaffected: 6.12.5 , ≤ 6.12.* (semver)
Unaffected: 6.13 , ≤ * (original_commit_for_fix)
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              "value": "AV:L - The vulnerable code is the `socket(AF_IEEE802154, ...)` creation path, reached only through a local syscall via `__sock_create()`; no network- or radio-received data reaches it. Despite the subsystem being a wireless PAN stack, the defect itself is in socket setup, not in frame processing.\nAC:H - The dangling pointer is only produced when `sk-\u003esk_prot-\u003ehash()` or `-\u003einit()` returns non-zero, but `raw_hash()`, `dgram_hash()` and `dgram_init()` all unconditionally `return 0` in every affected version (2.6.31\u20136.12) and the raw proto has no `.init`, so the error branch is unreachable and the attacker cannot influence it.\nPR:L - Creating a `SOCK_DGRAM` AF_IEEE802154 socket needs no capability at all, so any unprivileged local user reaches `ieee802154_create()`; note the `!net_eq(net, \u0026init_net)` guard means the call must be made in the initial netns, so user namespaces do not lower this further but also are not needed.\nUI:N - The attacker performs the whole sequence with a single `socket()` syscall from its own process. No victim action or interaction is involved.\nS:U - The freed `struct sock`/`struct dgram_sock` and the stale `sock-\u003esk` reference both live entirely within the kernel\u0027s own security authority. No VM, IOMMU, or sandbox boundary is crossed.\nC:H - Per the use-after-free rubric, a stale `sock-\u003esk` reference to a freed `dgram_sock` in the kmalloc-general caches would let an attacker reclaim the slab and read back attacker-shaped or leftover kernel data through subsequent socket operations.\nI:H - The same dangling reference would allow heap spraying of the reclaimed slot, giving control over function-pointer-bearing fields (`sk_prot`, `sk_destruct`, `sk_wq`) and thus a control-flow-hijack primitive rather than a mere data corruption.\nA:H - Any dereference of the freed `sock-\u003esk` would fault or corrupt the socket hash lists, producing an oops or panic; the rubric treats all use-after-free conditions as high availability impact even when only partially exploited."
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    "dateUpdated": "2026-08-05T11:45:22.776Z",
    "state": "PUBLISHED"
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      "date": "2026-09-23",
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        {
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ieee802154: do not leave a dangling sk pointer in ieee802154_create()\n\nsock_init_data() attaches the allocated sk object to the provided sock\nobject. If ieee802154_create() fails later, the allocated sk object is\nfreed, but the dangling pointer remains in the provided sock object, which\nmay allow use-after-free.\n\nClear the sk pointer in the sock object on error."
        },
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          "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: ieee802154: no deje un puntero sk colgando en ieee802154_create() sock_init_data() adjunta el objeto sk asignado al objeto sock proporcionado. Si ieee802154_create() falla m\u00e1s tarde, el objeto sk asignado se libera, pero el puntero colgando permanece en el objeto sock proporcionado, lo que puede permitir el use-after-free. Borre el puntero sk en el objeto sock en caso de error."
        }
      ],
      "id": "CVE-2024-56602",
      "lastModified": "2024-12-27T15:15:19.650",
      "published": "2024-12-27T15:15:19.650",
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}



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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

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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.



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.