In the Linux kernel, the following vulnerability has been resolved:
drm/meson: fix shutdown crash when component not probed
When main component is not probed, by example when the dw-hdmi module is not loaded yet or in probe defer, the following crash appears on shutdown:
Unable to handle kernel NULL pointer dereference at virtual address 0000000000000038 ... pc : meson_drv_shutdown+0x24/0x50 lr : platform_drv_shutdown+0x20/0x30 ... Call trace: meson_drv_shutdown+0x24/0x50 platform_drv_shutdown+0x20/0x30 device_shutdown+0x158/0x360 kernel_restart_prepare+0x38/0x48 kernel_restart+0x18/0x68 __do_sys_reboot+0x224/0x250 __arm64_sys_reboot+0x24/0x30 ...
Simply check if the priv struct has been allocated before using it.
CVSS Details
- CVSS 3.1 Base Score: 5.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Jul 30, 2024 | Mar 25, 2024 |
| Suse | — | Upgrade kernel-develUpgrade kernel-preempt-develUpgrade kernel-64kb-develUpgrade reiserfs-kmp-defaultUpgrade kernel-64kbUpgrade kernel-default-baseUpgrade kernel-symsUpgrade kernel-default-develUpgrade kernel-defaultUpgrade kernel-docsUpgrade kernel-source-azureUpgrade kernel-syms-azureUpgrade kernel-sourceUpgrade kernel-devel-azureUpgrade kernel-macrosUpgrade kernel-preemptUpgrade kernel-azureUpgrade kernel-azure-baseUpgrade kernel-azure-develUpgrade kernel-obs-buildUpgrade kernel-zfcpdumpUpgrade kernel-default-extraUpgrade kernel-default-man | Aug 9, 2024 | Mar 25, 2024 |
| Ubuntu | — | Upgrade linux-azureUpgrade linux-raspiUpgrade linux-oracle-5.4Upgrade linux-aws-hweUpgrade linux-fipsUpgrade linux-awsUpgrade linux-aws-5.4Upgrade linux-bluefieldUpgrade linux-raspi-5.4Upgrade linux-hweUpgrade linux-aws-fipsUpgrade linux-oracleUpgrade linux-gcp-5.4Upgrade linux-gcp-fipsUpgrade linux-gcpUpgrade linux-gkeopUpgrade linux-hwe-5.4Upgrade linux-kvmUpgrade linux-azure-5.4Upgrade linuxUpgrade linux-gcp-4.15Upgrade linux-azure-fipsUpgrade linux-azure-4.15 | Nov 19, 2024 | Mar 25, 2024 |
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