CVE-2023-42753 (GCVE-0-2023-42753)
Vulnerability from cvelistv5
Published
2023-09-25 20:25
Modified
2025-11-06 21:02
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-787 - Out-of-bounds Write
Summary
An array indexing vulnerability was found in the netfilter subsystem of the Linux kernel. A missing macro could lead to a miscalculation of the `h->nets` array offset, providing attackers with the primitive to arbitrarily increment/decrement a memory buffer out-of-bound. This issue may allow a local user to crash the system or potentially escalate their privileges on the system.
References
Impacted products
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| ► | Red Hat | Red Hat Enterprise Linux 7 |
Unaffected: 0:3.10.0-1160.108.1.rt56.1259.el7 < * cpe:/a:redhat:rhel_extras_rt:7 |
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Please update the affected package as soon as possible.\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"An array indexing vulnerability was found in the netfilter subsystem of the Linux kernel. A missing macro could lead to a miscalculation of the `h-\u003enets` array offset, providing attackers with the primitive to arbitrarily increment/decrement a memory buffer out-of-bound. This issue may allow a local user to crash the system or potentially escalate their privileges on the system.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-787\", \"description\": \"Out-of-bounds Write\"}]}], \"providerMetadata\": {\"orgId\": \"53f830b8-0a3f-465b-8143-3b8a9948e749\", \"shortName\": \"redhat\", \"dateUpdated\": \"2025-11-06T21:02:00.466Z\"}, \"x_redhatCweChain\": \"CWE-191-\u003eCWE-787: Integer Underflow (Wrap or Wraparound) leads to Out-of-bounds Write\"}}",
"cveMetadata": "{\"cveId\": \"CVE-2023-42753\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-11-06T21:02:00.466Z\", \"dateReserved\": \"2023-09-13T11:03:47.961Z\", \"assignerOrgId\": \"53f830b8-0a3f-465b-8143-3b8a9948e749\", \"datePublished\": \"2023-09-25T20:25:59.706Z\", \"assignerShortName\": \"redhat\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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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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