vulnerability

Ubuntu: (Multiple Advisories) (CVE-2024-44982): Linux kernel vulnerabilities

Severity
5
CVSS
(AV:L/AC:L/Au:S/C:N/I:N/A:C)
Published
Sep 4, 2024
Added
Nov 12, 2024
Modified
Jan 28, 2025

Description

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

drm/msm/dpu: cleanup FB if dpu_format_populate_layout fails

If the dpu_format_populate_layout() fails, then FB is prepared, but not
cleaned up. This ends up leaking the pin_count on the GEM object and
causes a splat during DRM file closure:

msm_obj->pin_count
WARNING: CPU: 2 PID: 569 at drivers/gpu/drm/msm/msm_gem.c:121 update_lru_locked+0xc4/0xcc
[...]
Call trace:
update_lru_locked+0xc4/0xcc
put_pages+0xac/0x100
msm_gem_free_object+0x138/0x180
drm_gem_object_free+0x1c/0x30
drm_gem_object_handle_put_unlocked+0x108/0x10c
drm_gem_object_release_handle+0x58/0x70
idr_for_each+0x68/0xec
drm_gem_release+0x28/0x40
drm_file_free+0x174/0x234
drm_release+0xb0/0x160
__fput+0xc0/0x2c8
__fput_sync+0x50/0x5c
__arm64_sys_close+0x38/0x7c
invoke_syscall+0x48/0x118
el0_svc_common.constprop.0+0x40/0xe0
do_el0_svc+0x1c/0x28
el0_svc+0x4c/0x120
el0t_64_sync_handler+0x100/0x12c
el0t_64_sync+0x190/0x194
irq event stamp: 129818
hardirqs last enabled at (129817): [] console_unlock+0x118/0x124
hardirqs last disabled at (129818): [] el1_dbg+0x24/0x8c
softirqs last enabled at (129808): [] handle_softirqs+0x4c8/0x4e8
softirqs last disabled at (129785): [] __do_softirq+0x14/0x20

Patchwork: https://patchwork.freedesktop.org/patch/600714/

Solution(s)

ubuntu-upgrade-linux-image-5-15-0-1038-xilinx-zynqmpubuntu-upgrade-linux-image-5-15-0-1055-gkeopubuntu-upgrade-linux-image-5-15-0-1065-ibmubuntu-upgrade-linux-image-5-15-0-1065-raspiubuntu-upgrade-linux-image-5-15-0-1067-intel-iotgubuntu-upgrade-linux-image-5-15-0-1067-nvidiaubuntu-upgrade-linux-image-5-15-0-1067-nvidia-lowlatencyubuntu-upgrade-linux-image-5-15-0-1069-gkeubuntu-upgrade-linux-image-5-15-0-1069-kvmubuntu-upgrade-linux-image-5-15-0-1070-oracleubuntu-upgrade-linux-image-5-15-0-1071-gcpubuntu-upgrade-linux-image-5-15-0-1072-awsubuntu-upgrade-linux-image-5-15-0-1075-azureubuntu-upgrade-linux-image-5-15-0-1078-azureubuntu-upgrade-linux-image-5-15-0-125-genericubuntu-upgrade-linux-image-5-15-0-125-generic-64kubuntu-upgrade-linux-image-5-15-0-125-generic-lpaeubuntu-upgrade-linux-image-5-15-0-125-lowlatencyubuntu-upgrade-linux-image-5-15-0-125-lowlatency-64kubuntu-upgrade-linux-image-6-8-0-1002-gkeopubuntu-upgrade-linux-image-6-8-0-1015-gkeubuntu-upgrade-linux-image-6-8-0-1016-raspiubuntu-upgrade-linux-image-6-8-0-1017-ibmubuntu-upgrade-linux-image-6-8-0-1017-oracleubuntu-upgrade-linux-image-6-8-0-1017-oracle-64kubuntu-upgrade-linux-image-6-8-0-1018-oemubuntu-upgrade-linux-image-6-8-0-1019-gcpubuntu-upgrade-linux-image-6-8-0-1019-nvidiaubuntu-upgrade-linux-image-6-8-0-1019-nvidia-64kubuntu-upgrade-linux-image-6-8-0-1019-nvidia-lowlatencyubuntu-upgrade-linux-image-6-8-0-1019-nvidia-lowlatency-64kubuntu-upgrade-linux-image-6-8-0-1020-awsubuntu-upgrade-linux-image-6-8-0-1020-azureubuntu-upgrade-linux-image-6-8-0-1020-azure-fdeubuntu-upgrade-linux-image-6-8-0-50-genericubuntu-upgrade-linux-image-6-8-0-50-generic-64kubuntu-upgrade-linux-image-6-8-0-50-lowlatencyubuntu-upgrade-linux-image-6-8-0-50-lowlatency-64kubuntu-upgrade-linux-image-awsubuntu-upgrade-linux-image-aws-lts-22-04ubuntu-upgrade-linux-image-azureubuntu-upgrade-linux-image-azure-cvmubuntu-upgrade-linux-image-azure-fdeubuntu-upgrade-linux-image-azure-lts-22-04ubuntu-upgrade-linux-image-gcpubuntu-upgrade-linux-image-gcp-lts-22-04ubuntu-upgrade-linux-image-genericubuntu-upgrade-linux-image-generic-64kubuntu-upgrade-linux-image-generic-64k-hwe-20-04ubuntu-upgrade-linux-image-generic-64k-hwe-22-04ubuntu-upgrade-linux-image-generic-64k-hwe-24-04ubuntu-upgrade-linux-image-generic-hwe-20-04ubuntu-upgrade-linux-image-generic-hwe-22-04ubuntu-upgrade-linux-image-generic-hwe-24-04ubuntu-upgrade-linux-image-generic-lpaeubuntu-upgrade-linux-image-generic-lpae-hwe-20-04ubuntu-upgrade-linux-image-gkeubuntu-upgrade-linux-image-gke-5-15ubuntu-upgrade-linux-image-gkeopubuntu-upgrade-linux-image-gkeop-5-15ubuntu-upgrade-linux-image-gkeop-6-8ubuntu-upgrade-linux-image-ibmubuntu-upgrade-linux-image-ibm-classicubuntu-upgrade-linux-image-ibm-lts-24-04ubuntu-upgrade-linux-image-intelubuntu-upgrade-linux-image-intel-iotgubuntu-upgrade-linux-image-kvmubuntu-upgrade-linux-image-lowlatencyubuntu-upgrade-linux-image-lowlatency-64kubuntu-upgrade-linux-image-lowlatency-64k-hwe-20-04ubuntu-upgrade-linux-image-lowlatency-64k-hwe-22-04ubuntu-upgrade-linux-image-lowlatency-64k-hwe-24-04ubuntu-upgrade-linux-image-lowlatency-hwe-20-04ubuntu-upgrade-linux-image-lowlatency-hwe-22-04ubuntu-upgrade-linux-image-lowlatency-hwe-24-04ubuntu-upgrade-linux-image-nvidiaubuntu-upgrade-linux-image-nvidia-6-8ubuntu-upgrade-linux-image-nvidia-64kubuntu-upgrade-linux-image-nvidia-64k-6-8ubuntu-upgrade-linux-image-nvidia-64k-hwe-22-04ubuntu-upgrade-linux-image-nvidia-hwe-22-04ubuntu-upgrade-linux-image-nvidia-lowlatencyubuntu-upgrade-linux-image-nvidia-lowlatency-64kubuntu-upgrade-linux-image-oem-20-04ubuntu-upgrade-linux-image-oem-20-04bubuntu-upgrade-linux-image-oem-20-04cubuntu-upgrade-linux-image-oem-20-04dubuntu-upgrade-linux-image-oem-22-04ubuntu-upgrade-linux-image-oem-22-04aubuntu-upgrade-linux-image-oem-22-04bubuntu-upgrade-linux-image-oem-22-04cubuntu-upgrade-linux-image-oem-22-04dubuntu-upgrade-linux-image-oem-24-04ubuntu-upgrade-linux-image-oem-24-04aubuntu-upgrade-linux-image-oracleubuntu-upgrade-linux-image-oracle-64kubuntu-upgrade-linux-image-oracle-lts-22-04ubuntu-upgrade-linux-image-raspiubuntu-upgrade-linux-image-raspi-nolpaeubuntu-upgrade-linux-image-virtualubuntu-upgrade-linux-image-virtual-hwe-20-04ubuntu-upgrade-linux-image-virtual-hwe-22-04ubuntu-upgrade-linux-image-virtual-hwe-24-04ubuntu-upgrade-linux-image-xilinx-zynqmp
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