github - ghsa-75q5-6x22-qjpw

ghsa-75q5-6x22-qjpw

Vulnerability from github

Published

2025-02-27 18:31

Modified

2025-02-27 18:31

Severity ?

7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

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

crypto: ccree - Fix use after free in cc_cipher_exit()

kfree_sensitive(ctx_p->user.key) will free the ctx_p->user.key. But ctx_p->user.key is still used in the next line, which will lead to a use after free.

We can call kfree_sensitive() after dev_dbg() to avoid the uaf.

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{
  "affected": [],
  "aliases": [
    "CVE-2022-49258"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-416"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-02-26T07:01:02Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: ccree - Fix use after free in cc_cipher_exit()\n\nkfree_sensitive(ctx_p-\u003euser.key) will free the ctx_p-\u003euser.key. But\nctx_p-\u003euser.key is still used in the next line, which will lead to a\nuse after free.\n\nWe can call kfree_sensitive() after dev_dbg() to avoid the uaf.",
  "id": "GHSA-75q5-6x22-qjpw",
  "modified": "2025-02-27T18:31:08Z",
  "published": "2025-02-27T18:31:08Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-49258"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/25c358efee5153dfd240d4e0d3169d5bebe9cacd"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/335bf1fc74f775a8255257aa3e33763f2257b676"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3d950c34074ed74d2713c3856ba01264523289e6"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c93017c8d5ebf55a4e453ac7c84cc84cf92ab570"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/cffb5382bd8d3cf21b874ab5b84bf7618932286b"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2022-49258 (GCVE-0-2022-49258)

Vulnerability from cvelistv5

Published

2025-02-26 01:56

Modified

2025-05-04 08:33

Severity ?

7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Summary

In the Linux kernel, the following vulnerability has been resolved: crypto: ccree - Fix use after free in cc_cipher_exit() kfree_sensitive(ctx_p->user.key) will free the ctx_p->user.key. But ctx_p->user.key is still used in the next line, which will lead to a use after free. We can call kfree_sensitive() after dev_dbg() to avoid the uaf.

References

▼	URL	Tags
	https://git.kernel.org/stable/c/c93017c8d5ebf55a4e453ac7c84cc84cf92ab570
	https://git.kernel.org/stable/c/335bf1fc74f775a8255257aa3e33763f2257b676
	https://git.kernel.org/stable/c/25c358efee5153dfd240d4e0d3169d5bebe9cacd
	https://git.kernel.org/stable/c/cffb5382bd8d3cf21b874ab5b84bf7618932286b
	https://git.kernel.org/stable/c/3d950c34074ed74d2713c3856ba01264523289e6

Impacted products

Vendor

Product

Version

▼

Linux

Version: 63ee04c8b491ee148489347e7da9fbfd982ca2bb
Version: 63ee04c8b491ee148489347e7da9fbfd982ca2bb
Version: 63ee04c8b491ee148489347e7da9fbfd982ca2bb
Version: 63ee04c8b491ee148489347e7da9fbfd982ca2bb
Version: 63ee04c8b491ee148489347e7da9fbfd982ca2bb

Linux

Version: 4.17

Show details on NVD website

JSON

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              "confidentialityImpact": "HIGH",
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              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
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                "timestamp": "2025-02-27T17:58:54.341608Z",
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              "lessThanOrEqual": "*",
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      ],
      "cpeApplicability": [
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        }
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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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