CVE-2024-0408

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.

Affected Software

VendorProductVersion RangeStatus
21.1.0 < 21.1.11affected
Red HatRed Hat Enterprise Linux 70:1.20.4-27.el7_9 < *unaffected
Red HatRed Hat Enterprise Linux 80:1.20.11-22.el8 < *unaffected
Red HatRed Hat Enterprise Linux 80:21.1.3-15.el8 < *unaffected
Red HatRed Hat Enterprise Linux 90:1.20.11-24.el9 < *unaffected
Red HatRed Hat Enterprise Linux 90:22.1.9-5.el9 < *unaffected

Weaknesses

  • CWE-158: Improper Neutralization of Null Byte or NUL Character

Workarounds

Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References