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CVSS: 7.2EPSS: 0%CPEs: 3EXPL: 0

20 May 2024 — In the Linux kernel, the following vulnerability has been resolved: sched/eevdf: Prevent vlag from going out of bounds in reweight_eevdf() It was possible to have pick_eevdf() return NULL, which then causes a NULL-deref. This turned out to be due to entity_eligible() returning falsely negative because of a s64 multiplcation overflow. Specifically, reweight_eevdf() computes the vlag without considering the limit placed upon vlag as update_entity_lag() does, and then the scaling multiplication (remember that ... • https://git.kernel.org/stable/c/14204acc09f652169baed1141c671429047b1313 •

CVSS: 5.5EPSS: 0%CPEs: 8EXPL: 0

20 May 2024 — In the Linux kernel, the following vulnerability has been resolved: i2c: smbus: fix NULL function pointer dereference Baruch reported an OOPS when using the designware controller as target only. Target-only modes break the assumption of one transfer function always being available. Fix this by always checking the pointer in __i2c_transfer. [wsa: dropped the simplification in core-smbus to avoid theoretical regressions] En el kernel de Linux, se resolvió la siguiente vulnerabilidad: i2c: smbus: corrige la de... • https://git.kernel.org/stable/c/63453b59e41173241c4efe9335815f6432fa8586 • CWE-476: NULL Pointer Dereference •

CVSS: 7.8EPSS: 0%CPEs: 7EXPL: 0

20 May 2024 — In the Linux kernel, the following vulnerability has been resolved: bounds: Use the right number of bits for power-of-two CONFIG_NR_CPUS bits_per() rounds up to the next power of two when passed a power of two. This causes crashes on some machines and configurations. En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: límites: utilice el número correcto de bits para potencia de dos CONFIG_NR_CPUS bits_per() redondea a la siguiente potencia de dos cuando se pasa una potencia de dos. Esto provo... • https://git.kernel.org/stable/c/d6077e0d38b4953c863d0db4a5b3f41d21e0d546 •

CVSS: 5.5EPSS: 0%CPEs: 8EXPL: 0

20 May 2024 — In the Linux kernel, the following vulnerability has been resolved: batman-adv: Avoid infinite loop trying to resize local TT If the MTU of one of an attached interface becomes too small to transmit the local translation table then it must be resized to fit inside all fragments (when enabled) or a single packet. But if the MTU becomes too low to transmit even the header + the VLAN specific part then the resizing of the local TT will never succeed. This can for example happen when the usable space is 110 byt... • https://git.kernel.org/stable/c/a19d3d85e1b854e4a483a55d740a42458085560d • CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop') •

CVSS: 5.5EPSS: 0%CPEs: 4EXPL: 0

20 May 2024 — In the Linux kernel, the following vulnerability has been resolved: virtio_net: Do not send RSS key if it is not supported There is a bug when setting the RSS options in virtio_net that can break the whole machine, getting the kernel into an infinite loop. Running the following command in any QEMU virtual machine with virtionet will reproduce this problem: # ethtool -X eth0 hfunc toeplitz This is how the problem happens: 1) ethtool_set_rxfh() calls virtnet_set_rxfh() 2) virtnet_set_rxfh() calls virtnet_comm... • https://git.kernel.org/stable/c/c7114b1249fa3b5f3a434606ba4cc89c4a27d618 •

CVSS: 7.2EPSS: 0%CPEs: 3EXPL: 0

20 May 2024 — In the Linux kernel, the following vulnerability has been resolved: arm64: tlb: Fix TLBI RANGE operand KVM/arm64 relies on TLBI RANGE feature to flush TLBs when the dirty pages are collected by VMM and the page table entries become write protected during live migration. Unfortunately, the operand passed to the TLBI RANGE instruction isn't correctly sorted out due to the commit 117940aa6e5f ("KVM: arm64: Define kvm_tlb_flush_vmid_range()"). It leads to crash on the destination VM after live migration because... • https://git.kernel.org/stable/c/117940aa6e5f8308f1529e1313660980f1dae771 •

CVSS: 5.5EPSS: 0%CPEs: 3EXPL: 0

20 May 2024 — In the Linux kernel, the following vulnerability has been resolved: raid1: fix use-after-free for original bio in raid1_write_request() r1_bio->bios[] is used to record new bios that will be issued to underlying disks, however, in raid1_write_request(), r1_bio->bios[] will set to the original bio temporarily. Meanwhile, if blocked rdev is set, free_r1bio() will be called causing that all r1_bio->bios[] to be freed: raid1_write_request() r1_bio = alloc_r1bio(mddev, bio); -> r1_bio->bios[] is NULL for (i = 0;... • https://git.kernel.org/stable/c/992db13a4aee766c8bfbf046ad15c2db5fa7cab8 •

CVSS: 5.5EPSS: 0%CPEs: 8EXPL: 0

20 May 2024 — In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Fix memory leak in hci_req_sync_complete() In 'hci_req_sync_complete()', always free the previous sync request state before assigning reference to a new one. En el kernel de Linux, se resolvió la siguiente vulnerabilidad: Bluetooth: corrija la pérdida de memoria en hci_req_sync_complete() En 'hci_req_sync_complete()', libere siempre el estado de solicitud de sincronización anterior antes de asignar una referencia a una nueva. In ... • https://git.kernel.org/stable/c/f60cb30579d3401cab1ed36b42df5c0568ae0ba7 • CWE-401: Missing Release of Memory after Effective Lifetime •

CVSS: 5.5EPSS: 0%CPEs: 3EXPL: 0

20 May 2024 — In the Linux kernel, the following vulnerability has been resolved: platform/chrome: cros_ec_uart: properly fix race condition The cros_ec_uart_probe() function calls devm_serdev_device_open() before it calls serdev_device_set_client_ops(). This can trigger a NULL pointer dereference: BUG: kernel NULL pointer dereference, address: 0000000000000000 ... Call Trace: ... ? ttyport_receive_buf A simplified version of crashing code is as follows: static inline size_t serdev_controller_receive_buf(struct se... • https://git.kernel.org/stable/c/01f95d42b8f4e88f20d68791b0a85dbb9e3d1ac9 •

CVSS: 6.7EPSS: 0%CPEs: 8EXPL: 0

20 May 2024 — In the Linux kernel, the following vulnerability has been resolved: xsk: validate user input for XDP_{UMEM|COMPLETION}_FILL_RING syzbot reported an illegal copy in xsk_setsockopt() [1] Make sure to validate setsockopt() @optlen parameter. [1] BUG: KASAN: slab-out-of-bounds in copy_from_sockptr_offset include/linux/sockptr.h:49 [inline] BUG: KASAN: slab-out-of-bounds in copy_from_sockptr include/linux/sockptr.h:55 [inline] BUG: KASAN: slab-out-of-bounds in xsk_setsockopt+0x909/0xa40 net/xdp/xsk.c:1420 Read o... • https://git.kernel.org/stable/c/423f38329d267969130fb6f2c685f73d72687558 • CWE-787: Out-of-bounds Write •