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CVSS: -EPSS: 0%CPEs: 3EXPL: 0

In the Linux kernel, the following vulnerability has been resolved: riscv: Sync efi page table's kernel mappings before switching The EFI page table is initially created as a copy of the kernel page table. With VMAP_STACK enabled, kernel stacks are allocated in the vmalloc area: if the stack is allocated in a new PGD (one that was not present at the moment of the efi page table creation or not synced in a previous vmalloc fault), the kernel will take a trap when switching to the efi page table when the vmalloc kernel stack is accessed, resulting in a kernel panic. Fix that by updating the efi kernel mappings before switching to the efi page table. • https://git.kernel.org/stable/c/b91540d52a08b65eb6a2b09132e1bd54fa82754c https://git.kernel.org/stable/c/fa7a7d185ef380546b4b1fed6f84f31dbae8cec7 https://git.kernel.org/stable/c/96f479383d92944406d4b3f2bc03c2f640def9f1 https://git.kernel.org/stable/c/3f105a742725a1b78766a55169f1d827732e62b8 •

CVSS: -EPSS: 0%CPEs: 8EXPL: 0

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fix PCI device refcount leak in dmar_dev_scope_init() for_each_pci_dev() is implemented by pci_get_device(). The comment of pci_get_device() says that it will increase the reference count for the returned pci_dev and also decrease the reference count for the input pci_dev @from if it is not NULL. If we break for_each_pci_dev() loop with pdev not NULL, we need to call pci_dev_put() to decrease the reference count. Add the missing pci_dev_put() for the error path to avoid reference count leak. • https://git.kernel.org/stable/c/2e45528930388658603ea24d49cf52867b928d3e https://git.kernel.org/stable/c/d47bc9d7bcdbb9adc9703513d964b514fee5b0bf https://git.kernel.org/stable/c/71c4a621985fc051ab86d3a86c749069a993fcb2 https://git.kernel.org/stable/c/876d7bfb89273997056220029ff12b1c2cc4691d https://git.kernel.org/stable/c/cbdd83bd2fd67142b03ce9dbdd1eab322ff7321f https://git.kernel.org/stable/c/a5c65cd56aed027f8a97fda8b691caaeb66d115e https://git.kernel.org/stable/c/bdb613ef179ad4bb9d56a2533e9b30e434f1dfb7 https://git.kernel.org/stable/c/2a8f7b90681472948de172dbbf5a54cd3 •

CVSS: -EPSS: 0%CPEs: 3EXPL: 0

In the Linux kernel, the following vulnerability has been resolved: riscv: fix race when vmap stack overflow Currently, when detecting vmap stack overflow, riscv firstly switches to the so called shadow stack, then use this shadow stack to call the get_overflow_stack() to get the overflow stack. However, there's a race here if two or more harts use the same shadow stack at the same time. To solve this race, we introduce spin_shadow_stack atomic var, which will be swap between its own address and 0 in atomic way, when the var is set, it means the shadow_stack is being used; when the var is cleared, it means the shadow_stack isn't being used. [Palmer: Add AQ to the swap, and also some comments.] • https://git.kernel.org/stable/c/31da94c25aea835ceac00575a9fd206c5a833fed https://git.kernel.org/stable/c/ac00301adb19df54f2eae1efc4bad7447c0156ce https://git.kernel.org/stable/c/879fabc5a95401d9bce357e4b1d24ae4a360a81f https://git.kernel.org/stable/c/7e1864332fbc1b993659eab7974da9fe8bf8c128 •

CVSS: -EPSS: 0%CPEs: 4EXPL: 0

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fix PCI device refcount leak in has_external_pci() for_each_pci_dev() is implemented by pci_get_device(). The comment of pci_get_device() says that it will increase the reference count for the returned pci_dev and also decrease the reference count for the input pci_dev @from if it is not NULL. If we break for_each_pci_dev() loop with pdev not NULL, we need to call pci_dev_put() to decrease the reference count. Add the missing pci_dev_put() before 'return true' to avoid reference count leak. • https://git.kernel.org/stable/c/89a6079df791aeace2044ea93be1b397195824ec https://git.kernel.org/stable/c/10ed7655a17f6a3eaecd1293830488259ccd5723 https://git.kernel.org/stable/c/b6eea8b2e858a20ad58ac62dc2de90fea2413f94 https://git.kernel.org/stable/c/17f67414718e6aba123335a33b7d15aa594fff34 https://git.kernel.org/stable/c/afca9e19cc720bfafc75dc5ce429c185ca93f31d •

CVSS: -EPSS: 0%CPEs: 5EXPL: 0

In the Linux kernel, the following vulnerability has been resolved: ipv4: Handle attempt to delete multipath route when fib_info contains an nh reference Gwangun Jung reported a slab-out-of-bounds access in fib_nh_match: fib_nh_match+0xf98/0x1130 linux-6.0-rc7/net/ipv4/fib_semantics.c:961 fib_table_delete+0x5f3/0xa40 linux-6.0-rc7/net/ipv4/fib_trie.c:1753 inet_rtm_delroute+0x2b3/0x380 linux-6.0-rc7/net/ipv4/fib_frontend.c:874 Separate nexthop objects are mutually exclusive with the legacy multipath spec. Fix fib_nh_match to return if the config for the to be deleted route contains a multipath spec while the fib_info is using a nexthop object. • https://git.kernel.org/stable/c/493ced1ac47c48bb86d9d4e8e87df8592be85a0e https://git.kernel.org/stable/c/cc3cd130ecfb8b0ae52e235e487bae3f16a24a32 https://git.kernel.org/stable/c/0b5394229ebae09afc07aabccb5ffd705ffd250e https://git.kernel.org/stable/c/25174d91e4a32a24204060d283bd5fa6d0ddf133 https://git.kernel.org/stable/c/bb20a2ae241be846bc3c11ea4b3a3c69e41d51f2 https://git.kernel.org/stable/c/61b91eb33a69c3be11b259c5ea484505cd79f883 •