github - ghsa-3v7f-rjgx-9grq

GHSA-3V7F-RJGX-9GRQ

Vulnerability from github – Published: 2023-09-06 15:30 – Updated: 2025-02-13 18:31

Details

A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation.

When nf_tables_delrule() is flushing table rules, it is not checked whether the chain is bound and the chain's owner rule can also release the objects in certain circumstances.

We recommend upgrading past commit 6eaf41e87a223ae6f8e7a28d6e78384ad7e407f8.

Severity ?

7.8 (High)


                  
                    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Show details on source website

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{
  "affected": [],
  "aliases": [
    "CVE-2023-3777"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-416"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2023-09-06T14:15:10Z",
    "severity": "HIGH"
  },
  "details": "A use-after-free vulnerability in the Linux kernel\u0027s netfilter: nf_tables component can be exploited to achieve local privilege escalation.\n\nWhen nf_tables_delrule() is flushing table rules, it is not checked whether the chain is bound and the chain\u0027s owner rule can also release the objects in certain circumstances.\n\nWe recommend upgrading past commit 6eaf41e87a223ae6f8e7a28d6e78384ad7e407f8.",
  "id": "GHSA-3v7f-rjgx-9grq",
  "modified": "2025-02-13T18:31:51Z",
  "published": "2023-09-06T15:30:27Z",
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      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-3777"
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      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6eaf41e87a223ae6f8e7a28d6e78384ad7e407f8"
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    },
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    },
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      "type": "WEB",
      "url": "http://packetstormsecurity.com/files/175072/Kernel-Live-Patch-Security-Notice-LSN-0098-1.html"
    },
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      "type": "WEB",
      "url": "http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html"
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  "severity": [
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      "type": "CVSS_V3"
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}

CVE-2023-3777 (GCVE-0-2023-3777)

Vulnerability from cvelistv5 – Published: 2023-09-06 13:50 – Updated: 2025-02-13 17:01

Summary

A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation. When nf_tables_delrule() is flushing table rules, it is not checked whether the chain is bound and the chain's owner rule can also release the objects in certain circumstances. We recommend upgrading past commit 6eaf41e87a223ae6f8e7a28d6e78384ad7e407f8.

Severity ?

7.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-416 - Use After Free

Assigner

Google

References

URL

Tags

	https://git.kernel.org/pub/scm/linux/kernel/git/t…	patch
	https://kernel.dance/6eaf41e87a223ae6f8e7a28d6e78…
	https://www.debian.org/security/2023/dsa-5492
	http://packetstormsecurity.com/files/175072/Kerne…
	http://packetstormsecurity.com/files/175963/Kerne…

Impacted products

	Vendor	Product	Version
	Linux	Kernel	Affected: 5.9 , < 6.5 (custom)

Credits

Kevin Rich

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 observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-3V7F-RJGX-9GRQ

CVE-2023-3777 (GCVE-0-2023-3777)

Tags

Sightings

Nomenclature