github - ghsa-6r42-gm3x-9xx3

ghsa-6r42-gm3x-9xx3

Vulnerability from github

Published

2024-03-28 09:31

Modified

2024-07-05 09:33

Details

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

netfilter: nftables: exthdr: fix 4-byte stack OOB write

If priv->len is a multiple of 4, then dst[len / 4] can write past the destination array which leads to stack corruption.

This construct is necessary to clean the remainder of the register in case ->len is NOT a multiple of the register size, so make it conditional just like nft_payload.c does.

The bug was added in 4.1 cycle and then copied/inherited when tcp/sctp and ip option support was added.

Bug reported by Zero Day Initiative project (ZDI-CAN-21950, ZDI-CAN-21951, ZDI-CAN-21961).

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{
  "affected": [],
  "aliases": [
    "CVE-2023-52628"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-03-28T08:15:25Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nftables: exthdr: fix 4-byte stack OOB write\n\nIf priv-\u003elen is a multiple of 4, then dst[len / 4] can write past\nthe destination array which leads to stack corruption.\n\nThis construct is necessary to clean the remainder of the register\nin case -\u003elen is NOT a multiple of the register size, so make it\nconditional just like nft_payload.c does.\n\nThe bug was added in 4.1 cycle and then copied/inherited when\ntcp/sctp and ip option support was added.\n\nBug reported by Zero Day Initiative project (ZDI-CAN-21950,\nZDI-CAN-21951, ZDI-CAN-21961).",
  "id": "GHSA-6r42-gm3x-9xx3",
  "modified": "2024-07-05T09:33:43Z",
  "published": "2024-03-28T09:31:13Z",
  "references": [
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      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-52628"
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cve-2023-52628

Vulnerability from cvelistv5

Published

2024-03-28 07:33

Modified

2024-12-19 08:22

Severity ?

Summary

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: exthdr: fix 4-byte stack OOB write If priv->len is a multiple of 4, then dst[len / 4] can write past the destination array which leads to stack corruption. This construct is necessary to clean the remainder of the register in case ->len is NOT a multiple of the register size, so make it conditional just like nft_payload.c does. The bug was added in 4.1 cycle and then copied/inherited when tcp/sctp and ip option support was added. Bug reported by Zero Day Initiative project (ZDI-CAN-21950, ZDI-CAN-21951, ZDI-CAN-21961).

References

▼	URL	Tags
	https://git.kernel.org/stable/c/28a97c43c9e32f437ebb8d6126f9bb7f3ca9521a
	https://git.kernel.org/stable/c/cf39c4f77a773a547ac2bcf30ecdd303bb0c80cb
	https://git.kernel.org/stable/c/a7d86a77c33ba1c357a7504341172cc1507f0698
	https://git.kernel.org/stable/c/1ad7b189cc1411048434e8595ffcbe7873b71082
	https://git.kernel.org/stable/c/d9ebfc0f21377690837ebbd119e679243e0099cc
	https://git.kernel.org/stable/c/c8f292322ff16b9a2272a67de396c09a50e09dce
	https://git.kernel.org/stable/c/fd94d9dadee58e09b49075240fe83423eb1dcd36

Impacted products

Vendor

Product

Version

▼

Linux

Version: 49499c3e6e18b7677a63316f3ff54a16533dc28f
Version: 49499c3e6e18b7677a63316f3ff54a16533dc28f
Version: 49499c3e6e18b7677a63316f3ff54a16533dc28f
Version: 49499c3e6e18b7677a63316f3ff54a16533dc28f
Version: 49499c3e6e18b7677a63316f3ff54a16533dc28f
Version: 49499c3e6e18b7677a63316f3ff54a16533dc28f
Version: 49499c3e6e18b7677a63316f3ff54a16533dc28f

Linux

Version: 4.1

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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