Ubuntu: (Multiple Advisories) (CVE-2023-52491): Linux kernel (OEM) vulnerabilities
Description
In the Linux kernel, the following vulnerability has been resolved: media: mtk-jpeg: Fix use after free bug due to error path handling in mtk_jpeg_dec_device_run In mtk_jpeg_probe, &jpeg->job_timeout_work is bound with mtk_jpeg_job_timeout_work. In mtk_jpeg_dec_device_run, if error happens in mtk_jpeg_set_dec_dst, it will finally start the worker while mark the job as finished by invoking v4l2_m2m_job_finish. There are two methods to trigger the bug. If we remove the module, it which will call mtk_jpeg_remove to make cleanup. The possible sequence is as follows, which will cause a use-after-free bug. CPU0 CPU1 mtk_jpeg_dec_... | start worker | |mtk_jpeg_job_timeout_work mtk_jpeg_remove | v4l2_m2m_release | kfree(m2m_dev); | | | v4l2_m2m_get_curr_priv | m2m_dev->curr_ctx //use If we close the file descriptor, which will call mtk_jpeg_release, it will have a similar sequence. Fix this bug by starting timeout worker only if started jpegdec worker successfully. Then v4l2_m2m_job_finish will only be called in either mtk_jpeg_job_timeout_work or mtk_jpeg_dec_device_run.
Solution(s)
- ubuntu-upgrade-linux-image-5-15-0-1044-gkeop
- ubuntu-upgrade-linux-image-5-15-0-1054-ibm
- ubuntu-upgrade-linux-image-5-15-0-1054-nvidia
- ubuntu-upgrade-linux-image-5-15-0-1054-nvidia-lowlatency
- ubuntu-upgrade-linux-image-5-15-0-1054-raspi
- ubuntu-upgrade-linux-image-5-15-0-1057-intel-iotg
- ubuntu-upgrade-linux-image-5-15-0-1058-gke
- ubuntu-upgrade-linux-image-5-15-0-1058-intel-iotg
- ubuntu-upgrade-linux-image-5-15-0-1058-kvm
- ubuntu-upgrade-linux-image-5-15-0-1059-gcp
- ubuntu-upgrade-linux-image-5-15-0-1059-oracle
- ubuntu-upgrade-linux-image-5-15-0-106-generic
- ubuntu-upgrade-linux-image-5-15-0-106-generic-64k
- ubuntu-upgrade-linux-image-5-15-0-106-generic-lpae
- ubuntu-upgrade-linux-image-5-15-0-106-lowlatency
- ubuntu-upgrade-linux-image-5-15-0-106-lowlatency-64k
- ubuntu-upgrade-linux-image-5-15-0-1061-aws
- ubuntu-upgrade-linux-image-5-15-0-1063-azure
- ubuntu-upgrade-linux-image-5-15-0-1063-azure-fde
- ubuntu-upgrade-linux-image-6-5-0-1015-starfive
- ubuntu-upgrade-linux-image-6-5-0-1017-laptop
- ubuntu-upgrade-linux-image-6-5-0-1018-raspi
- ubuntu-upgrade-linux-image-6-5-0-1021-aws
- ubuntu-upgrade-linux-image-6-5-0-1021-nvidia
- ubuntu-upgrade-linux-image-6-5-0-1021-nvidia-64k
- ubuntu-upgrade-linux-image-6-5-0-1022-azure
- ubuntu-upgrade-linux-image-6-5-0-1022-azure-fde
- ubuntu-upgrade-linux-image-6-5-0-1022-gcp
- ubuntu-upgrade-linux-image-6-5-0-1022-oem
- ubuntu-upgrade-linux-image-6-5-0-1024-oem
- ubuntu-upgrade-linux-image-6-5-0-1024-oracle
- ubuntu-upgrade-linux-image-6-5-0-1024-oracle-64k
- ubuntu-upgrade-linux-image-6-5-0-41-generic
- ubuntu-upgrade-linux-image-6-5-0-41-generic-64k
- ubuntu-upgrade-linux-image-6-5-0-41-lowlatency
- ubuntu-upgrade-linux-image-6-5-0-41-lowlatency-64k
- ubuntu-upgrade-linux-image-aws
- ubuntu-upgrade-linux-image-aws-lts-22-04
- ubuntu-upgrade-linux-image-azure
- ubuntu-upgrade-linux-image-azure-cvm
- ubuntu-upgrade-linux-image-azure-fde
- ubuntu-upgrade-linux-image-azure-fde-lts-22-04
- ubuntu-upgrade-linux-image-azure-lts-22-04
- ubuntu-upgrade-linux-image-gcp
- ubuntu-upgrade-linux-image-gcp-lts-22-04
- ubuntu-upgrade-linux-image-generic
- ubuntu-upgrade-linux-image-generic-64k
- ubuntu-upgrade-linux-image-generic-64k-hwe-20-04
- ubuntu-upgrade-linux-image-generic-64k-hwe-22-04
- ubuntu-upgrade-linux-image-generic-hwe-20-04
- ubuntu-upgrade-linux-image-generic-hwe-22-04
- ubuntu-upgrade-linux-image-generic-lpae
- ubuntu-upgrade-linux-image-generic-lpae-hwe-20-04
- ubuntu-upgrade-linux-image-gke
- ubuntu-upgrade-linux-image-gke-5-15
- ubuntu-upgrade-linux-image-gkeop
- ubuntu-upgrade-linux-image-gkeop-5-15
- ubuntu-upgrade-linux-image-ibm
- ubuntu-upgrade-linux-image-intel
- ubuntu-upgrade-linux-image-intel-iotg
- ubuntu-upgrade-linux-image-kvm
- ubuntu-upgrade-linux-image-laptop-23-10
- ubuntu-upgrade-linux-image-lowlatency
- ubuntu-upgrade-linux-image-lowlatency-64k
- ubuntu-upgrade-linux-image-lowlatency-64k-hwe-20-04
- ubuntu-upgrade-linux-image-lowlatency-64k-hwe-22-04
- ubuntu-upgrade-linux-image-lowlatency-hwe-20-04
- ubuntu-upgrade-linux-image-lowlatency-hwe-22-04
- ubuntu-upgrade-linux-image-nvidia
- ubuntu-upgrade-linux-image-nvidia-6-5
- ubuntu-upgrade-linux-image-nvidia-64k-6-5
- ubuntu-upgrade-linux-image-nvidia-64k-hwe-22-04
- ubuntu-upgrade-linux-image-nvidia-hwe-22-04
- ubuntu-upgrade-linux-image-nvidia-lowlatency
- ubuntu-upgrade-linux-image-oem-20-04
- ubuntu-upgrade-linux-image-oem-20-04b
- ubuntu-upgrade-linux-image-oem-20-04c
- ubuntu-upgrade-linux-image-oem-20-04d
- ubuntu-upgrade-linux-image-oem-22-04
- ubuntu-upgrade-linux-image-oem-22-04a
- ubuntu-upgrade-linux-image-oem-22-04b
- ubuntu-upgrade-linux-image-oem-22-04c
- ubuntu-upgrade-linux-image-oem-22-04d
- ubuntu-upgrade-linux-image-oracle
- ubuntu-upgrade-linux-image-oracle-64k
- ubuntu-upgrade-linux-image-oracle-lts-22-04
- ubuntu-upgrade-linux-image-raspi
- ubuntu-upgrade-linux-image-raspi-nolpae
- ubuntu-upgrade-linux-image-starfive
- ubuntu-upgrade-linux-image-virtual
- ubuntu-upgrade-linux-image-virtual-hwe-20-04
- ubuntu-upgrade-linux-image-virtual-hwe-22-04
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