CVE-2024-26816 – x86, relocs: Ignore relocations in .notes section
https://notcve.org/view.php?id=CVE-2024-26816
10 Apr 2024 — In the Linux kernel, the following vulnerability has been resolved: x86, relocs: Ignore relocations in .notes section When building with CONFIG_XEN_PV=y, .text symbols are emitted into the .notes section so that Xen can find the "startup_xen" entry point. This information is used prior to booting the kernel, so relocations are not useful. In fact, performing relocations against the .notes section means that the KASLR base is exposed since /sys/kernel/notes is world-readable. To avoid leaking the KASLR base ... • https://git.kernel.org/stable/c/5ead97c84fa7d63a6a7a2f4e9f18f452bd109045 •
CVE-2023-52340 – kernel: ICMPv6 “Packet Too Big” packets force a DoS of the Linux kernel by forcing 100% CPU
https://notcve.org/view.php?id=CVE-2023-52340
09 Apr 2024 — The IPv6 implementation in the Linux kernel before 6.3 has a net/ipv6/route.c max_size threshold that can be consumed easily, e.g., leading to a denial of service (network is unreachable errors) when IPv6 packets are sent in a loop via a raw socket. La implementación de IPv6 en el kernel de Linux anterior a 6.3 tiene un umbral net/ipv6/route.c max_size que se puede consumir fácilmente, por ejemplo, provocando una denegación de servicio (errores de red inaccesible) cuando los paquetes IPv6 se envían en un bu... • https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3 • CWE-400: Uncontrolled Resource Consumption •
CVE-2024-26811 – ksmbd: validate payload size in ipc response
https://notcve.org/view.php?id=CVE-2024-26811
08 Apr 2024 — In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate payload size in ipc response If installing malicious ksmbd-tools, ksmbd.mountd can return invalid ipc response to ksmbd kernel server. ksmbd should validate payload size of ipc response from ksmbd.mountd to avoid memory overrun or slab-out-of-bounds. This patch validate 3 ipc response that has payload. En el kernel de Linux, se resolvió la siguiente vulnerabilidad: ksmbd: validar el tamaño del payload en la respuesta de ipc ... • https://git.kernel.org/stable/c/0626e6641f6b467447c81dd7678a69c66f7746cf •
CVE-2024-27437 – vfio/pci: Disable auto-enable of exclusive INTx IRQ
https://notcve.org/view.php?id=CVE-2024-27437
05 Apr 2024 — In the Linux kernel, the following vulnerability has been resolved: vfio/pci: Disable auto-enable of exclusive INTx IRQ Currently for devices requiring masking at the irqchip for INTx, ie. devices without DisINTx support, the IRQ is enabled in request_irq() and subsequently disabled as necessary to align with the masked status flag. This presents a window where the interrupt could fire between these events, resulting in the IRQ incrementing the disable depth twice. This would be unrecoverable for a user sin... • https://git.kernel.org/stable/c/89e1f7d4c66d85f42c3d52ea3866eb10cadf6153 • CWE-99: Improper Control of Resource Identifiers ('Resource Injection') •
CVE-2024-26814 – vfio/fsl-mc: Block calling interrupt handler without trigger
https://notcve.org/view.php?id=CVE-2024-26814
05 Apr 2024 — In the Linux kernel, the following vulnerability has been resolved: vfio/fsl-mc: Block calling interrupt handler without trigger The eventfd_ctx trigger pointer of the vfio_fsl_mc_irq object is initially NULL and may become NULL if the user sets the trigger eventfd to -1. The interrupt handler itself is guaranteed that trigger is always valid between request_irq() and free_irq(), but the loopback testing mechanisms to invoke the handler function need to test the trigger. The triggering and setting ioctl pat... • https://git.kernel.org/stable/c/cc0ee20bd96971c10eba9a83ecf1c0733078a083 •
CVE-2024-26813 – vfio/platform: Create persistent IRQ handlers
https://notcve.org/view.php?id=CVE-2024-26813
05 Apr 2024 — In the Linux kernel, the following vulnerability has been resolved: vfio/platform: Create persistent IRQ handlers The vfio-platform SET_IRQS ioctl currently allows loopback triggering of an interrupt before a signaling eventfd has been configured by the user, which thereby allows a NULL pointer dereference. Rather than register the IRQ relative to a valid trigger, register all IRQs in a disabled state in the device open path. This allows mask operations on the IRQ to nest within the overall enable state gov... • https://git.kernel.org/stable/c/57f972e2b341dd6a73533f9293ec55d584a5d833 •
CVE-2024-26812 – vfio/pci: Create persistent INTx handler
https://notcve.org/view.php?id=CVE-2024-26812
05 Apr 2024 — In the Linux kernel, the following vulnerability has been resolved: vfio/pci: Create persistent INTx handler A vulnerability exists where the eventfd for INTx signaling can be deconfigured, which unregisters the IRQ handler but still allows eventfds to be signaled with a NULL context through the SET_IRQS ioctl or through unmask irqfd if the device interrupt is pending. Ideally this could be solved with some additional locking; the igate mutex serializes the ioctl and config space accesses, and the interrupt... • https://git.kernel.org/stable/c/89e1f7d4c66d85f42c3d52ea3866eb10cadf6153 • CWE-476: NULL Pointer Dereference •
CVE-2024-26810 – vfio/pci: Lock external INTx masking ops
https://notcve.org/view.php?id=CVE-2024-26810
05 Apr 2024 — In the Linux kernel, the following vulnerability has been resolved: vfio/pci: Lock external INTx masking ops Mask operations through config space changes to DisINTx may race INTx configuration changes via ioctl. Create wrappers that add locking for paths outside of the core interrupt code. In particular, irq_type is updated holding igate, therefore testing is_intx() requires holding igate. For example clearing DisINTx from config space can otherwise race changes of the interrupt configuration. This aligns i... • https://git.kernel.org/stable/c/89e1f7d4c66d85f42c3d52ea3866eb10cadf6153 • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') •
CVE-2024-26809 – netfilter: nft_set_pipapo: release elements in clone only from destroy path
https://notcve.org/view.php?id=CVE-2024-26809
04 Apr 2024 — In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_set_pipapo: release elements in clone only from destroy path Clone already always provides a current view of the lookup table, use it to destroy the set, otherwise it is possible to destroy elements twice. This fix requires: 212ed75dc5fb ("netfilter: nf_tables: integrate pipapo into commit protocol") which came after: 9827a0e6e23b ("netfilter: nft_set_pipapo: release elements in clone from abort path"). En el kernel de Linux,... • https://git.kernel.org/stable/c/4a6430b99f67842617c7208ca55a411e903ba03a •
CVE-2024-26808 – netfilter: nft_chain_filter: handle NETDEV_UNREGISTER for inet/ingress basechain
https://notcve.org/view.php?id=CVE-2024-26808
04 Apr 2024 — In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_chain_filter: handle NETDEV_UNREGISTER for inet/ingress basechain Remove netdevice from inet/ingress basechain in case NETDEV_UNREGISTER event is reported, otherwise a stale reference to netdevice remains in the hook list. En el kernel de Linux, se resolvió la siguiente vulnerabilidad: netfilter: nft_chain_filter: maneja NETDEV_UNREGISTER para la cadena base inet/ingress Elimine netdevice de la cadena base inet/ingress en cas... • https://git.kernel.org/stable/c/60a3815da702fd9e4759945f26cce5c47d3967ad • CWE-416: Use After Free •