CVE-2025-26594

Summary

A use-after-free flaw was found in X.Org and Xwayland. The root cursor is referenced in the X server as a global variable. If a client frees the root cursor, the internal reference points to freed memory and causes a use-after-free.

Affected Software

VendorProductVersion RangeStatus
0 < 21.1.16affected
22.0.0 < 24.1.6affected
Red HatRed Hat Enterprise Linux 100:24.1.5-3.el10_0 < *unaffected
Red HatRed Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION0:1.1.0-25.el6_10 < *unaffected
Red HatRed Hat Enterprise Linux 7 Extended Lifecycle Support0:1.8.0-36.el7_9 < *unaffected
Red HatRed Hat Enterprise Linux 7 Extended Lifecycle Support0:1.20.4-30.el7_9 < *unaffected
Red HatRed Hat Enterprise Linux 80:1.13.1-15.el8_10 < *unaffected
Red HatRed Hat Enterprise Linux 8.2 Advanced Update Support0:1.9.0-15.el8_2.13 < *unaffected
Red HatRed Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support0:1.11.0-8.el8_4.12 < *unaffected
Red HatRed Hat Enterprise Linux 8.4 Telecommunications Update Service0:1.11.0-8.el8_4.12 < *unaffected
Red HatRed Hat Enterprise Linux 8.4 Update Services for SAP Solutions0:1.11.0-8.el8_4.12 < *unaffected
Red HatRed Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support0:1.12.0-6.el8_6.13 < *unaffected
Red HatRed Hat Enterprise Linux 8.6 Telecommunications Update Service0:1.12.0-6.el8_6.13 < *unaffected
Red HatRed Hat Enterprise Linux 8.6 Update Services for SAP Solutions0:1.12.0-6.el8_6.13 < *unaffected
Red HatRed Hat Enterprise Linux 8.8 Extended Update Support0:1.12.0-15.el8_8.12 < *unaffected
Red HatRed Hat Enterprise Linux 90:1.14.1-1.el9_5.1 < *unaffected
Red HatRed Hat Enterprise Linux 90:1.20.11-28.el9_6 < *unaffected
Red HatRed Hat Enterprise Linux 90:23.2.7-3.el9_6 < *unaffected
Red HatRed Hat Enterprise Linux 9.0 Update Services for SAP Solutions0:1.11.0-22.el9_0.13 < *unaffected
Red HatRed Hat Enterprise Linux 9.2 Extended Update Support0:1.12.0-14.el9_2.10 < *unaffected
Red HatRed Hat Enterprise Linux 9.4 Extended Update Support0:1.13.1-8.el9_4.5 < *unaffected

Weaknesses

  • CWE-416: Use After Free

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