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CVSS: 3.3EPSS: 0%CPEs: 8EXPL: 0

25 Jun 2024 — In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix potential kernel bug due to lack of writeback flag waiting Destructive writes to a block device on which nilfs2 is mounted can cause a kernel bug in the folio/page writeback start routine or writeback end routine (__folio_start_writeback in the log below): kernel BUG at mm/page-writeback.c:3070! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI ... RIP: 0010:__folio_start_writeback+0xbaa/0x10e0 Code: 25 ff 0f 00 00 0f 84 18 ... • https://git.kernel.org/stable/c/9ff05123e3bfbb1d2b68ba1d9bf1f7d1dffc1453 •

CVSS: 5.5EPSS: 0%CPEs: 7EXPL: 0

25 Jun 2024 — In the Linux kernel, the following vulnerability has been resolved: media: lgdt3306a: Add a check against null-pointer-def The driver should check whether the client provides the platform_data. The following log reveals it: [ 29.610324] BUG: KASAN: null-ptr-deref in kmemdup+0x30/0x40 [ 29.610730] Read of size 40 at addr 0000000000000000 by task bash/414 [ 29.612820] Call Trace: [ 29.613030] [ 29.613201] dump_stack_lvl+0x56/0x6f [ 29.613496] ? kmemdup+0x30/0x40 [ 29.613754] print_report.cold+0x494/0x6... • https://git.kernel.org/stable/c/8915dcd29a82096acacf54364a8425363782aea0 •

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

24 Jun 2024 — In the Linux kernel, the following vulnerability has been resolved: fpga: manager: add owner module and take its refcount The current implementation of the fpga manager assumes that the low-level module registers a driver for the parent device and uses its owner pointer to take the module's refcount. This approach is problematic since it can lead to a null pointer dereference while attempting to get the manager if the parent device does not have a driver. To address this problem, add a module owner pointer ... • https://git.kernel.org/stable/c/654ba4cc0f3ed7c0f08bfb39f66059d8c42943ee •

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

24 Jun 2024 — In the Linux kernel, the following vulnerability has been resolved: um: Add winch to winch_handlers before registering winch IRQ Registering a winch IRQ is racy, an interrupt may occur before the winch is added to the winch_handlers list. If that happens, register_winch_irq() adds to that list a winch that is scheduled to be (or has already been) freed, causing a panic later in winch_cleanup(). Avoid the race by adding the winch to the winch_handlers list before registering the IRQ, and rolling back if um_r... • https://git.kernel.org/stable/c/42a359e31a0e438b5b978a8f0fecdbd3c86bb033 • CWE-415: Double Free •

CVSS: 5.5EPSS: 0%CPEs: 9EXPL: 0

21 Jun 2024 — In the Linux kernel, the following vulnerability has been resolved: dma-buf/sw-sync: don't enable IRQ from sync_print_obj() Since commit a6aa8fca4d79 ("dma-buf/sw-sync: Reduce irqsave/irqrestore from known context") by error replaced spin_unlock_irqrestore() with spin_unlock_irq() for both sync_debugfs_show() and sync_print_obj() despite sync_print_obj() is called from sync_debugfs_show(), lockdep complains inconsistent lock state warning. Use plain spin_{lock,unlock}() for sync_print_obj(), for sync_debugf... • https://git.kernel.org/stable/c/a6aa8fca4d792c72947e341d7842d2f700534335 • CWE-667: Improper Locking •

CVSS: 6.3EPSS: 0%CPEs: 8EXPL: 0

21 Jun 2024 — In the Linux kernel, the following vulnerability has been resolved: enic: Validate length of nl attributes in enic_set_vf_port enic_set_vf_port assumes that the nl attribute IFLA_PORT_PROFILE is of length PORT_PROFILE_MAX and that the nl attributes IFLA_PORT_INSTANCE_UUID, IFLA_PORT_HOST_UUID are of length PORT_UUID_MAX. These attributes are validated (in the function do_setlink in rtnetlink.c) using the nla_policy ifla_port_policy. The policy defines IFLA_PORT_PROFILE as NLA_STRING, IFLA_PORT_INSTANCE_UUID... • https://git.kernel.org/stable/c/f8bd909183acffad68780b10c1cdf36161cfd5d1 •

CVSS: 7.0EPSS: 0%CPEs: 8EXPL: 0

21 Jun 2024 — In the Linux kernel, the following vulnerability has been resolved: greybus: lights: check return of get_channel_from_mode If channel for the given node is not found we return null from get_channel_from_mode. Make sure we validate the return pointer before using it in two of the missing places. This was originally reported in [0]: Found by Linux Verification Center (linuxtesting.org) with SVACE. [0] https://lore.kernel.org/all/20240301190425.120605-1-m.lobanov@rosalinux.ru En el kernel de Linux, se resolvió... • https://git.kernel.org/stable/c/2870b52bae4c81823ffcb3ed2b0626fb39d64f48 •

CVSS: 5.5EPSS: 0%CPEs: 7EXPL: 0

21 Jun 2024 — In the Linux kernel, the following vulnerability has been resolved: soundwire: cadence: fix invalid PDI offset For some reason, we add an offset to the PDI, presumably to skip the PDI0 and PDI1 which are reserved for BPT. This code is however completely wrong and leads to an out-of-bounds access. We were just lucky so far since we used only a couple of PDIs and remained within the PDI array bounds. A Fixes: tag is not provided since there are no known platforms where the out-of-bounds would be accessed, and... • https://git.kernel.org/stable/c/002364b2d594a9afc0385c09e00994c510b1d089 • CWE-125: Out-of-bounds Read •

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

21 Jun 2024 — In the Linux kernel, the following vulnerability has been resolved: serial: max3100: Lock port->lock when calling uart_handle_cts_change() uart_handle_cts_change() has to be called with port lock taken, Since we run it in a separate work, the lock may not be taken at the time of running. Make sure that it's taken by explicitly doing that. Without it we got a splat: WARNING: CPU: 0 PID: 10 at drivers/tty/serial/serial_core.c:3491 uart_handle_cts_change+0xa6/0xb0 ... Workqueue: max3100-0 max3100_work [max3100... • https://git.kernel.org/stable/c/7831d56b0a3544cbb6f82f76c34ca95e24d5b676 •

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

21 Jun 2024 — In the Linux kernel, the following vulnerability has been resolved: serial: max3100: Update uart_driver_registered on driver removal The removal of the last MAX3100 device triggers the removal of the driver. However, code doesn't update the respective global variable and after insmod — rmmod — insmod cycle the kernel oopses: max3100 spi-PRP0001:01: max3100_probe: adding port 0 BUG: kernel NULL pointer dereference, address: 0000000000000408 ... RIP: 0010:serial_core_register_port+0xa0/0x840 ... max3100_probe... • https://git.kernel.org/stable/c/7831d56b0a3544cbb6f82f76c34ca95e24d5b676 •