UBUNTU-CVE-2022-49165

In the Linux kernel, the following vulnerability has been resolved: media: imx-jpeg: Prevent decoding NV12M jpegs into single-planar buffers If the application queues an NV12M jpeg as output buffer, but then queues a single planar capture buffer, the kernel will crash with "Unable to handle kerne...

UBUNTU-CVE-2022-49198

In the Linux kernel, the following vulnerability has been resolved: mptcp: Fix crash due to tcptsortedanchor was initialized before release skb Got crash when doing pressure test of mptcp: =========================================================================== dstrelease: dst:ffffa06ce6e5c058...

UBUNTU-CVE-2021-47649

In the Linux kernel, the following vulnerability has been resolved: udmabuf: validate ubuf-pagecount Syzbot has reported GPF in sgallocappendtablefrompages. The problem was in ubuf-pages == ZEROPTR. ubuf-pagecount is calculated from arguments passed from user-space. If user creates udmabuf with...

CVE-2022-49703 scsi: ibmvfc: Store vhost pointer during subcrq allocation

In the Linux kernel, the following vulnerability has been resolved: scsi: ibmvfc: Store vhost pointer during subcrq allocation Currently the back pointer from a queue to the vhost adapter isn't set until after subcrq interrupt registration. The value is available when a queue is first allocated a...

CVE-2022-49649 xen/netback: avoid entering xenvif_rx_next_skb() with an empty rx queue

In the Linux kernel, the following vulnerability has been resolved: xen/netback: avoid entering xenvifrxnextskb with an empty rx queue xenvifrxnextskb is expecting the rx queue not being empty, but in case the loop in xenvifrxaction is doing multiple iterations, the availability of another skb in...

CVE-2022-49645 drm/panfrost: Fix shrinker list corruption by madvise IOCTL

In the Linux kernel, the following vulnerability has been resolved: drm/panfrost: Fix shrinker list corruption by madvise IOCTL Calling madvise IOCTL twice on BO causes memory shrinker list corruption and crashes kernel because BO is already on the list and it's added to the list again, while BO...

CVE-2022-49642

CVE-2022-49642 concerns the Linux kernel: the Synopsys DWC Ethernet driver (net: stmmac: dwc-qos) on Tegra194 can crash the system when the split header feature is enabled, due to an unexpected buffer length that can overflow the total buffer length calculation. NVIDIA feedback indicates split he...

CVE-2022-49526

CVE-2022-49526 - Linux kernel md/bitmap issue : In clustered MD (md-cluster) setups, the code path md_bitmap_read_sb can permit a faulty bitmap to pass sanity checks, allowing the chunksize to be assigned even when the bitmap data is invalid. This leads to a division error (DIV_ROUND_UP_SECTOR_T)...

CVE-2022-49526 md/bitmap: don't set sb values if can't pass sanity check

In the Linux kernel, the following vulnerability has been resolved: md/bitmap: don't set sb values if can't pass sanity check If bitmap area contains invalid data, kernel will crash then mdadm triggers "Segmentation fault". This is cluster-md speical bug. In non-clustered env, mdadm will handle...

CVE-2022-49526 md/bitmap: don't set sb values if can't pass sanity check

In the Linux kernel, the following vulnerability has been resolved: md/bitmap: don't set sb values if can't pass sanity check If bitmap area contains invalid data, kernel will crash then mdadm triggers "Segmentation fault". This is cluster-md speical bug. In non-clustered env, mdadm will handle...

CVE-2022-49496 media: mediatek: vcodec: prevent kernel crash when rmmod mtk-vcodec-dec.ko

In the Linux kernel, the following vulnerability has been resolved: media: mediatek: vcodec: prevent kernel crash when rmmod mtk-vcodec-dec.ko If the driver support subdev mode, the parameter "dev-pm.dev" will be NULL in mtkvcodecdecremove. Kernel will crash when try to rmmod mtk-vcodec-dec.ko...

CVE-2022-49496 media: mediatek: vcodec: prevent kernel crash when rmmod mtk-vcodec-dec.ko

In the Linux kernel, the following vulnerability has been resolved: media: mediatek: vcodec: prevent kernel crash when rmmod mtk-vcodec-dec.ko If the driver support subdev mode, the parameter "dev-pm.dev" will be NULL in mtkvcodecdecremove. Kernel will crash when try to rmmod mtk-vcodec-dec.ko...

CVE-2022-49496

The CVE-2022-49496 entry concerns the Linux kernel Mediatek vcodec driver (mtk_vcodec_dec). If the driver runs in subdev mode, dev->pm.dev can be NULL during mtk_vcodec_dec_remove, causing a kernel crash on rmmod mtk-vcodec-dec.ko. All connected documents describe the crash scenario and indica...

CVE-2022-49496 media: mediatek: vcodec: prevent kernel crash when rmmod mtk-vcodec-dec.ko

In the Linux kernel, the following vulnerability has been resolved: media: mediatek: vcodec: prevent kernel crash when rmmod mtk-vcodec-dec.ko If the driver support subdev mode, the parameter "dev-pm.dev" will be NULL in mtkvcodecdecremove. Kernel will crash when try to rmmod mtk-vcodec-dec.ko...

CVE-2022-49496

In the Linux kernel, the following vulnerability has been resolved: media: mediatek: vcodec: prevent kernel crash when rmmod mtk-vcodec-dec.ko If the driver support subdev mode, the parameter "dev-pm.dev" will be NULL in mtkvcodecdecremove. Kernel will crash when try to rmmod mtk-vcodec-dec.ko...

CVE-2022-49483 drm/msm/disp/dpu1: avoid clearing hw interrupts if hw_intr is null during drm uninit

In the Linux kernel, the following vulnerability has been resolved: drm/msm/disp/dpu1: avoid clearing hw interrupts if hwintr is null during drm uninit If edp modeset init is failed due to panel being not ready and probe defers during drm bind, avoid clearing irqs and dereference hwintr when hwin...

CVE-2022-49476

In the Linux kernel, the following vulnerability has been resolved: mt76: mt7921: fix kernel crash at mt7921pciremove The crash log shown it is possible that mt7921irqhandler is called while devmfreeirq is being handled so mt76freedevice need to be postponed until devmfreeirq is completed to solv...

CVE-2022-49476

CVE-2022-49476 concerns the Linux kernel issue where mt76/mt7921 kept calling mt7921_irq_handler during devm_free_irq, risking a NULL pointer dereference in mt7921_pci_remove. The provided logs show a kernel crash (NULL pointer dereference) during device removal. The associated fix postpones free...

CVE-2022-49476 mt76: mt7921: fix kernel crash at mt7921_pci_remove

In the Linux kernel, the following vulnerability has been resolved: mt76: mt7921: fix kernel crash at mt7921pciremove The crash log shown it is possible that mt7921irqhandler is called while devmfreeirq is being handled so mt76freedevice need to be postponed until devmfreeirq is completed to solv...

CVE-2022-49476 mt76: mt7921: fix kernel crash at mt7921_pci_remove

In the Linux kernel, the following vulnerability has been resolved: mt76: mt7921: fix kernel crash at mt7921pciremove The crash log shown it is possible that mt7921irqhandler is called while devmfreeirq is being handled so mt76freedevice need to be postponed until devmfreeirq is completed to solv...