CVE-2024-21885

Summary

A flaw was found in X.Org server. In the XISendDeviceHierarchyEvent function, it is possible to exceed the allocated array length when certain new device IDs are added to the xXIHierarchyInfo struct. This can trigger a heap buffer overflow condition, which may lead to an application crash or remote code execution in SSH X11 forwarding environments.

Affected Software

VendorProductVersion RangeStatus
0 < 21.1.11affected
21.1.11 < *unaffected
0 < 23.2.4affected
23.2.4 < *unaffected
Red HatRed Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION0:1.1.0-25.el6_10.13 < *unaffected
Red HatRed Hat Enterprise Linux 70:1.20.4-27.el7_9 < *unaffected
Red HatRed Hat Enterprise Linux 70:1.8.0-31.el7_9 < *unaffected
Red HatRed Hat Enterprise Linux 80:1.13.1-2.el8_9.7 < *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 8.2 Advanced Update Support0:1.9.0-15.el8_2.9 < *unaffected
Red HatRed Hat Enterprise Linux 8.2 Telecommunications Update Service0:1.9.0-15.el8_2.9 < *unaffected
Red HatRed Hat Enterprise Linux 8.2 Update Services for SAP Solutions0:1.9.0-15.el8_2.9 < *unaffected
Red HatRed Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support0:1.11.0-8.el8_4.8 < *unaffected
Red HatRed Hat Enterprise Linux 8.4 Telecommunications Update Service0:1.11.0-8.el8_4.8 < *unaffected
Red HatRed Hat Enterprise Linux 8.4 Update Services for SAP Solutions0:1.11.0-8.el8_4.8 < *unaffected
Red HatRed Hat Enterprise Linux 8.6 Extended Update Support0:1.12.0-6.el8_6.9 < *unaffected
Red HatRed Hat Enterprise Linux 8.8 Extended Update Support0:1.12.0-15.el8_8.7 < *unaffected
Red HatRed Hat Enterprise Linux 90:1.13.1-3.el9_3.6 < *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
Red HatRed Hat Enterprise Linux 9.0 Extended Update Support0:1.11.0-22.el9_0.8 < *unaffected
Red HatRed Hat Enterprise Linux 9.2 Extended Update Support0:1.12.0-14.el9_2.5 < *unaffected

Weaknesses

  • CWE-122: Heap-based Buffer Overflow

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

CISA ADP Vulnrichment

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

CVE Program Container

Additional References

References