CVE-2024-44980

In the Linux kernel, the following vulnerability has been resolved:

drm/xe: Fix opregion leak

Being part o the display, ideally the setup and cleanup would be done by display itself. However this is a bigger refactor that needs to be done on both i915 and xe. For now, just fix the leak:

unreferenced object 0xffff8881a0300008 (size 192): comm modprobe, pid 4354, jiffies 4295647021 hex dump (first 32 bytes): 00 00 87 27 81 88 ff ff 18 80 9b 00 00 c9 ff ff …………… 18 81 9b 00 00 c9 ff ff 00 00 00 00 00 00 00 00 ……………. backtrace (crc 99260e31): [] kmemleak_alloc+0x4b/0x80 [] kmalloc_trace_noprof+0x312/0x3d0 [] intel_opregion_setup+0x89/0x700 [xe] [] xe_display_init_noirq+0x2f/0x90 [xe] [] xe_device_probe+0x7a3/0xbf0 [xe] [] xe_pci_probe+0x333/0x5b0 [xe] [] local_pci_probe+0x48/0xb0 [] pci_device_probe+0xc8/0x280 [] really_probe+0xf8/0x390 [] __driver_probe_device+0x8a/0x170 [] driver_probe_device+0x23/0xb0 [] __driver_attach+0xc7/0x190 [] bus_for_each_dev+0x7d/0xd0 [] driver_attach+0x1e/0x30 [] bus_add_driver+0x117/0x250

(cherry picked from commit 6f4e43a2f771b737d991142ec4f6d4b7ff31fbb4)

Affected Software

References

• https://git.kernel.org/stable/c/f4b2a0ae1a31fd3d1b5ca18ee08319b479cf9b5f
• https://git.kernel.org/stable/c/f7ecdd9853dd9f34e7cdfdadfb70b8f40644ebb4