This bug was fixed in the package linux-nvidia-6.11 - 6.11.0-1016.16
---------------
linux-nvidia-6.11 (6.11.0-1016.16) noble; urgency=medium
* noble/linux-nvidia-6.11: 6.11.0-1016.16 -proposed tracker (LP:
#2125210)
* Packaging resync (LP: #1786013)
- [Packaging] resync git-ubuntu-log
- [Packaging] debian.nvidia-6.11/dkms-versions -- update from kernel-
versions (main/d2025.09.16)
* NVIDIA: SAUCE: MEDIATEK: usb: host: xhci-hub: fix MT89xx SoCs return
PORTLI value (LP: #2125126)
- NVIDIA: SAUCE: MEDIATEK: usb: host: xhci-hub: fix MT89xx SoCs return
PORTLI value
* CVE-2025-38352
- posix-cpu-timers: fix race between handle_posix_cpu_timers() and
posix_cpu_timer_del()
* NVIDIA: SAUCE: ffa notification count initialization fix (LP: #2123861)
- NVIDIA: SAUCE: Fix FFA notification count initialization
* backport: "ACPI/PCI: Fix memory leak fix in pci_acpi_preserve_config"
(LP: #2121451)
- PCI/ACPI: Fix pci_acpi_preserve_config() memory leak
* Pull-request for setting CPU frequency gov to performance (LP: #2028576)
- [Config] nvidia-6.11: Use performance CPU frequency governor on amd64
* Update CONFIG_DRM_CLIENT_* configs for -nvidia kernel (LP: #2120973)
- NVIDIA: SAUCE: [Config] nvidia-6.11: drm: Update Kbuild to allow
selecting CONFIG_DRM_CLIENT_SELECTION
- NVIDIA: SAUCE: [Config] nvidia-6.11: Update annotations to set
DRM_CLIENT configs
linux-nvidia-6.11 (6.11.0-1014.14) noble; urgency=medium
* noble/linux-nvidia-6.11: 6.11.0-1014.14 -proposed tracker (LP:
#2120663)
* Set CONFIG_IOMMU_DEFAULT_DMA_LAZY as default for Nvidia CPUs
(LP: #2119661)
- [Config] nvidia-6.11: Update annotations to set
CONFIG_IOMMU_DEFAULT_DMA_LAZY
* mt7925: Additional wifi fixes (LP: #2119687)
- wifi: mt76: mt7925: fix incorrect scan probe IE handling for hw_scan
- NVIDIA: SAUCE: wifi: mt76: mt7925: add MBSSID support
- NVIDIA: SAUCE: wifi: mt76: mt7925: fix the wrong bss cleanup for SAP
* sbsa_gwdt: seeing reboot due watchdog reset (LP: #2117095)
- watchdog: sbsa: Adjust keepalive timeout to avoid MediaTek WS0 race
condition
-- Jacob Martin <[email protected]> Sun, 21 Sep 2025 10:43:06
-0500
** Changed in: linux-nvidia-6.11 (Ubuntu Noble)
Status: Fix Committed => Fix Released
** CVE added: https://cve.org/CVERecord?id=CVE-2025-38352
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https://bugs.launchpad.net/bugs/2121451
Title:
backport: "ACPI/PCI: Fix memory leak fix in pci_acpi_preserve_config"
Status in linux-nvidia-6.11 package in Ubuntu:
Invalid
Status in linux-nvidia-6.14 package in Ubuntu:
Invalid
Status in linux-nvidia-6.11 source package in Noble:
Fix Released
Status in linux-nvidia-6.14 source package in Noble:
Fix Committed
Bug description:
memory leak on Spark which is visible right after boot:
root@localhost:/sys/kernel/debug# cat kmemleak
unreferenced object 0xffff40ec0430e760 (size 32):
comm "swapper/0", pid 1, jiffies 4294667675
hex dump (first 32 bytes):
01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace (crc f1da05aa):
kmemleak_alloc+0xe4/0x128
__kmalloc_noprof+0x2b0/0x4b8
acpi_ut_initialize_buffer+0xbc/0x108
acpi_evaluate_object+0x31c/0x368
acpi_evaluate_dsm+0xc0/0x170
pci_acpi_preserve_config+0x88/0xf8
pci_register_host_bridge+0x2dc/0x5a8
pci_create_root_bus+0x90/0xe8
acpi_pci_root_create+0x174/0x2d0
pci_acpi_scan_root+0x198/0x2d0
acpi_pci_root_add+0x1a0/0x370
acpi_bus_attach+0x1f4/0x378
acpi_dev_for_one_check+0x54/0x80
device_for_each_child+0x70/0xe8
acpi_dev_for_each_child+0x4c/0xa0
acpi_bus_attach+0x26c/0x378
Upstream fix was introduced with
https://patch.msgid.link/[email protected]
While working on it, I also realized we are missing:
1f2768b6a3ee7 PCI: Fix reference leak in pci_alloc_child_bus()
804443c1f2788 PCI: Fix reference leak in pci_register_host_bridge()
We should have above as well. Let me know what do you think about the last
two patches and if those can be included separately from this
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