github - ghsa-fpgv-fc8m-fmmm

ghsa-fpgv-fc8m-fmmm

Vulnerability from github

Published

2024-05-17 15:31

Modified

2024-11-08 00:30

Severity ?

5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Details

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

icmp: prevent possible NULL dereferences from icmp_build_probe()

First problem is a double call to __in_dev_get_rcu(), because the second one could return NULL.

if (__in_dev_get_rcu(dev) && __in_dev_get_rcu(dev)->ifa_list)

Second problem is a read from dev->ip6_ptr with no NULL check:

if (!list_empty(&rcu_dereference(dev->ip6_ptr)->addr_list))

Use the correct RCU API to fix these.

v2: add missing include

Show details on source website

JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2024-35857"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-476"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-05-17T15:15:23Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nicmp: prevent possible NULL dereferences from icmp_build_probe()\n\nFirst problem is a double call to __in_dev_get_rcu(), because\nthe second one could return NULL.\n\nif (__in_dev_get_rcu(dev) \u0026\u0026 __in_dev_get_rcu(dev)-\u003eifa_list)\n\nSecond problem is a read from dev-\u003eip6_ptr with no NULL check:\n\nif (!list_empty(\u0026rcu_dereference(dev-\u003eip6_ptr)-\u003eaddr_list))\n\nUse the correct RCU API to fix these.\n\nv2: add missing include \u003cnet/addrconf.h\u003e",
  "id": "GHSA-fpgv-fc8m-fmmm",
  "modified": "2024-11-08T00:30:45Z",
  "published": "2024-05-17T15:31:12Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-35857"
    },
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}

cve-2024-35857

Vulnerability from cvelistv5

Published

2024-05-17 14:47

Modified

2024-11-07 21:12

Severity ?

5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Summary

icmp: prevent possible NULL dereferences from icmp_build_probe()

References

▼	URL	Tags
	https://git.kernel.org/stable/c/23b7ee4a8d559bf38eac7ce5bb2f6ebf76f9c401
	https://git.kernel.org/stable/c/599c9ad5e1d43f5c12d869f5fd406ba5d8c55270
	https://git.kernel.org/stable/c/d68dc711d84fdcf698e5d45308c3ddeede586350
	https://git.kernel.org/stable/c/3e2979bf080c40da4f7c93aff8575ab8bc62b767
	https://git.kernel.org/stable/c/c58e88d49097bd12dfcfef4f075b43f5d5830941

Impacted products

▼	Vendor	Product
	Linux	Linux
	Linux	Linux

Show details on NVD website

JSON

To clipboard

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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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