CVE-2024-0408 (GCVE-0-2024-0408)
Vulnerability from cvelistv5 – Published: 2024-01-18 15:40 – Updated: 2025-11-20 07:08
VLAI?
Title
Xorg-x11-server: selinux unlabeled glx pbuffer
Summary
A flaw was found in the X.Org server. The GLX PBuffer code does not call the XACE hook when creating the buffer, leaving it unlabeled. When the client issues another request to access that resource (as with a GetGeometry) or when it creates another resource that needs to access that buffer, such as a GC, the XSELINUX code will try to use an object that was never labeled and crash because the SID is NULL.
Severity ?
5.5 (Medium)
CWE
- CWE-158 - Improper Neutralization of Null Byte or NUL Character
Assigner
References
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Impacted products
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Affected:
21.1.0 , < 21.1.11
(semver)
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Credits
Red Hat would like to thank Donn Seeley and Olivier Fourdan for reporting this issue.
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\"value\": \"Mitigation for this issue is either not available or the currently available options don\u0027t meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"A flaw was found in the X.Org server. The GLX PBuffer code does not call the XACE hook when creating the buffer, leaving it unlabeled. When the client issues another request to access that resource (as with a GetGeometry) or when it creates another resource that needs to access that buffer, such as a GC, the XSELINUX code will try to use an object that was never labeled and crash because the SID is NULL.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-158\", \"description\": \"Improper Neutralization of Null Byte or NUL Character\"}]}], \"providerMetadata\": {\"orgId\": \"53f830b8-0a3f-465b-8143-3b8a9948e749\", \"shortName\": \"redhat\", \"dateUpdated\": \"2025-11-20T07:08:59.547Z\"}, \"x_redhatCweChain\": \"CWE-158: Improper Neutralization of Null Byte or NUL Character\"}}",
"cveMetadata": "{\"cveId\": \"CVE-2024-0408\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-11-20T07:08:59.547Z\", \"dateReserved\": \"2024-01-10T21:13:58.095Z\", \"assignerOrgId\": \"53f830b8-0a3f-465b-8143-3b8a9948e749\", \"datePublished\": \"2024-01-18T15:40:06.955Z\", \"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 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.
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