github - ghsa-5g7w-f343-53g9

ghsa-5g7w-f343-53g9

Vulnerability from github

Published

2024-05-01 06:31

Modified

2024-05-01 06:31

Details

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

kprobes/x86: Use copy_from_kernel_nofault() to read from unsafe address

Read from an unsafe address with copy_from_kernel_nofault() in arch_adjust_kprobe_addr() because this function is used before checking the address is in text or not. Syzcaller bot found a bug and reported the case if user specifies inaccessible data area, arch_adjust_kprobe_addr() will cause a kernel panic.

[ mingo: Clarified the comment. ]

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{
  "affected": [],
  "aliases": [
    "CVE-2024-26946"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-05-01T06:15:10Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nkprobes/x86: Use copy_from_kernel_nofault() to read from unsafe address\n\nRead from an unsafe address with copy_from_kernel_nofault() in\narch_adjust_kprobe_addr() because this function is used before checking\nthe address is in text or not. Syzcaller bot found a bug and reported\nthe case if user specifies inaccessible data area,\narch_adjust_kprobe_addr() will cause a kernel panic.\n\n[ mingo: Clarified the comment. ]",
  "id": "GHSA-5g7w-f343-53g9",
  "modified": "2024-05-01T06:31:41Z",
  "published": "2024-05-01T06:31:41Z",
  "references": [
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cve-2024-26946

Vulnerability from cvelistv5

Published

2024-05-01 05:18

Modified

2024-11-05 09:18

Severity ?

Summary

kprobes/x86: Use copy_from_kernel_nofault() to read from unsafe address

References

▼	URL	Tags
	https://git.kernel.org/stable/c/6417684315087904fffe8966d27ca74398c57dd6
	https://git.kernel.org/stable/c/f13edd1871d4fb4ab829aff629d47914e251bae3
	https://git.kernel.org/stable/c/20fdb21eabaeb8f78f8f701f56d14ea0836ec861
	https://git.kernel.org/stable/c/b69f577308f1070004cafac106dd1a44099e5483
	https://git.kernel.org/stable/c/4e51653d5d871f40f1bd5cf95cc7f2d8b33d063b

Impacted products

▼	Vendor	Product
	Linux	Linux
	Linux	Linux

Show details on NVD website

To clipboard

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