UBUNTU-CVE-2026-64517
In the Linux kernel, the following vulnerability has been resolved: drm/xe/gsc: Fix double-free of managed BO in error path The error path in xe_gsc_init_post_hwconfig() explicitly frees a BO allocated with xe_managed_bo_create_pin_map() via xe_bo_unpin_map_no_vm(). Since the managed BO already has a devm cleanup action registered, this causes a double-free when devm unwinds during probe failure. Remove the explicit free and let devm handle it, consistent with all other xe_managed_bo_create_pin_map() callers. (cherry picked from commit 71d61e3e299a17139e47f980a4d6f425b2c59bf7)
02 / AFFECTED SOFTWARE
Affected packages
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03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: drm/xe/gsc: Fix double-free of managed BO in error path The error path in xe_gsc_init_post_hwconfig() explicitly frees a BO allocated with xe_managed_bo_create_pin_map() via xe_bo_unpin_map_no_vm(). Since the managed BO already has a devm cleanup action registered, this causes a double-free when devm unwinds during probe failure. Remove the explicit free and let devm handle it, consistent with all other xe_managed_bo_create_pin_map() callers. (cherry picked from commit 71d61e3e299a17139e47f980a4d6f425b2c59bf7)
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/d3ded53fab90996e7d94a39049e11962dd066725
- https://git.kernel.org/stable/c/2c890e71ae26fa32f5a96c3694b71a2c310940e7
- https://git.kernel.org/stable/c/7cb975fcd4777e7bad688f66aa0c10c16dd8276b
- https://git.kernel.org/stable/c/889f70de2b51a877339e1979aab95111b41bed75
- https://git.kernel.org/stable/c/d3ded53fab90996e7d94a39049e11962dd066725
- https://ubuntu.com/security/CVE-2026-64517
- https://ubuntu.com/security/notices/USN-8618-1
- https://www.cve.org/CVERecord?id=CVE-2026-64517