github - ghsa-3w59-vx6f-4274

ghsa-3w59-vx6f-4274

Vulnerability from github

Published

2024-05-21 15:31

Modified

2024-05-21 15:31

Details

In the Linux kernel, the following vulnerability has been resolved:

net: cdc_eem: fix tx fixup skb leak

when usbnet transmit a skb, eem fixup it in eem_tx_fixup(), if skb_copy_expand() failed, it return NULL, usbnet_start_xmit() will have no chance to free original skb.

fix it by free orginal skb in eem_tx_fixup() first, then check skb clone status, if failed, return NULL to usbnet.

Show details on source website

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{
  "affected": [],
  "aliases": [
    "CVE-2021-47236"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-05-21T15:15:12Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: cdc_eem: fix tx fixup skb leak\n\nwhen usbnet transmit a skb, eem fixup it in eem_tx_fixup(),\nif skb_copy_expand() failed, it return NULL,\nusbnet_start_xmit() will have no chance to free original skb.\n\nfix it by free orginal skb in eem_tx_fixup() first,\nthen check skb clone status, if failed, return NULL to usbnet.",
  "id": "GHSA-3w59-vx6f-4274",
  "modified": "2024-05-21T15:31:40Z",
  "published": "2024-05-21T15:31:40Z",
  "references": [
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      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-47236"
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cve-2021-47236

Vulnerability from cvelistv5

Published

2024-05-21 14:19

Modified

2024-11-04 12:02

Severity ?

Summary

net: cdc_eem: fix tx fixup skb leak

References

▼	URL	Tags
	https://git.kernel.org/stable/c/f12554b0ff639e74612cc01b3b4a049e098d2d65
	https://git.kernel.org/stable/c/14184ec5c958b589ba934da7363a2877879204df
	https://git.kernel.org/stable/c/1bcacd6088d61c0ac6a990d87975600a81f3247e
	https://git.kernel.org/stable/c/f4e6a7f19c82f39b1803e91c54718f0d7143767d
	https://git.kernel.org/stable/c/81de2ed06df8b5451e050fe6a318af3263dbff3f
	https://git.kernel.org/stable/c/05b2b9f7d24b5663d9b47427fe1555bdafd3ea02
	https://git.kernel.org/stable/c/b4f7a9fc9d094c0c4a66f2ad7c37b1dbe9e78f88
	https://git.kernel.org/stable/c/c3b26fdf1b32f91c7a3bc743384b4a298ab53ad7

Impacted products

Vendor

Product

Version

▼

Linux

Version: 9f722c0978b0
Version: 9f722c0978b0
Version: 9f722c0978b0
Version: 9f722c0978b0
Version: 9f722c0978b0
Version: 9f722c0978b0
Version: 9f722c0978b0
Version: 9f722c0978b0

Linux

Version: 2.6.30

Show details on NVD website

JSON

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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