Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-993179)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-993179 advisory. In the Linux kernel, the following vulnerability has been resolved: iavf: Fix adminq error handling iavfallocasqbufs/iavfallocarqbufs allocates with dmaalloccoherent...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-993149)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-993149 advisory. In the Linux kernel, the following vulnerability has been resolved: dmaengine: sf-pdma: Add multithread support for a DMA channel When we get a DMA channel and try t...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-993046)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-993046 advisory. In the Linux kernel, the following vulnerability has been resolved: drm/shmem-helper: Remove another errant put in error path drmgemshmemmmap doesn't own reference i...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-992750)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992750 advisory. In the Linux kernel, the following vulnerability has been resolved: udmabuf: Set the DMA mask for the udmabuf device v2 If the DMA mask is not set explicitly, the...

Unity Linux 20.1060a Security Update: kernel (UTSA-2025-993192)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-993192 advisory. In the Linux kernel, the following vulnerability has been resolved: tty: serial: fsllpuart: disable dma rx/tx use flags in lpuartdmashutdown lpuartdmashutdown tears...

CVE-2023-54255

In the Linux kernel, the following vulnerability has been resolved: sh: dma: Fix DMA channel offset calculation Various SoCs of the SH3, SH4 and SH4A family, which use this driver, feature a differing number of DMA channels, which can be distributed between up to two DMAC modules. The existing...

CVE-2023-54257

In the Linux kernel, the following vulnerability has been resolved: net: macb: fix a memory corruption in extended buffer descriptor mode For quite some time we were chasing a bug which looked like a sudden permanent failure of networking and mmc on some of our devices. The bug was very sensitive...

CVE-2023-54231

In the Linux kernel, the following vulnerability has been resolved: net: libwx: fix memory leak in wxsetuprxresources When wxallocpagepool failed in wxsetuprxresources, it doesn't release DMA buffer. Add dmafreecoherent in the error path to release the DMA buffer...

CVE-2023-54188

In the Linux kernel, the following vulnerability has been resolved: dmaengine: apple-admac: Fix 'currenttx' not getting freed In terminateall we should queue up all submitted descriptors to be freed. We do that for the content of the 'issued' and 'submitted' lists, but the 'currenttx' descriptor...

CVE-2023-54257

In the Linux kernel, the following vulnerability has been resolved: net: macb: fix a memory corruption in extended buffer descriptor mode For quite some time we were chasing a bug which looked like a sudden permanent failure of networking and mmc on some of our devices. The bug was very sensitive...

CVE-2023-54231

In the Linux kernel, the following vulnerability has been resolved: net: libwx: fix memory leak in wxsetuprxresources When wxallocpagepool failed in wxsetuprxresources, it doesn't release DMA buffer. Add dmafreecoherent in the error path to release the DMA buffer...

UBUNTU-CVE-2023-54231

In the Linux kernel, the following vulnerability has been resolved: net: libwx: fix memory leak in wxsetuprxresources When wxallocpagepool failed in wxsetuprxresources, it doesn't release DMA buffer. Add dmafreecoherent in the error path to release the DMA buffer...

CVE-2022-50819

In the Linux kernel, the following vulnerability has been resolved: udmabuf: Set ubuf-sg = NULL if the creation of sg table fails When userspace tries to map the dmabuf and if for some reason e.g. OOM the creation of the sg table fails, ubuf-sg needs to be set to NULL. Otherwise, when the userspa...

CVE-2022-50874 RDMA/erdma: Fix refcount leak in erdma_mmap

In the Linux kernel, the following vulnerability has been resolved: RDMA/erdma: Fix refcount leak in erdmammap rdmausermmapentryget take reference, we should release it when not need anymore, add the missing rdmausermmapentryput in the error path to fix it...

CVE-2023-54257 net: macb: fix a memory corruption in extended buffer descriptor mode

In the Linux kernel, the following vulnerability has been resolved: net: macb: fix a memory corruption in extended buffer descriptor mode For quite some time we were chasing a bug which looked like a sudden permanent failure of networking and mmc on some of our devices. The bug was very sensitive...

CVE-2023-54257

CVE-2023-54257 affects the Linux kernel net/macb driver. The issue is memory corruption in extended buffer descriptor mode, tied to RX/DMA handling (CONFIG_DMA_API_DEBUG=y reveals unmaps/free of DMA memory not allocated). A fix has been released in the Linux kernel (refs include upstream commits ...

CVE-2023-54255

CVE-2023-54255 affects the Linux kernel with SH3/SH4/SH4A DMAC implementations. The vulnerability arises from incorrect DMA channel offset calculations when multiple DMA channels are distributed across up to two DMAC modules, which can trigger kernel panics. The described fix rewrites dma_base_ad...

CVE-2023-54255 sh: dma: Fix DMA channel offset calculation

In the Linux kernel, the following vulnerability has been resolved: sh: dma: Fix DMA channel offset calculation Various SoCs of the SH3, SH4 and SH4A family, which use this driver, feature a differing number of DMA channels, which can be distributed between up to two DMAC modules. The existing...

CVE-2023-54231

CVE-2023-54231 affects the Linux kernel component handling the libwx RX path. The vulnerability arises in wx_setup_rx_resources: if wx_alloc_page_pool() fails, the code path does not release the allocated DMA buffer, causing a memory leak. The fix adds a dma_free_coherent() call in the error path...

CVE-2023-54231 net: libwx: fix memory leak in wx_setup_rx_resources

In the Linux kernel, the following vulnerability has been resolved: net: libwx: fix memory leak in wxsetuprxresources When wxallocpagepool failed in wxsetuprxresources, it doesn't release DMA buffer. Add dmafreecoherent in the error path to release the DMA buffer...