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ALSA-2024:7000 — Important: kernel security update

2026-10-04T09:41:51.487614+00:00

Affected: AlmaLinux:8: bpftool, AlmaLinux:8: kernel, AlmaLinux:8: kernel-abi-stablelists, AlmaLinux:8: kernel-core, AlmaLinux:8: kernel-cross-headers, AlmaLinux:8: kernel-debug, AlmaLinux:8: kernel-debug-core, AlmaLinux:8: kernel-debug-devel, AlmaLinux:8: kernel-debug-modules, AlmaLinux:8: kernel-debug-modules-extra and 15 more

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es):

CVE-2023-6040 CVE-2024-26595 CVE-2024-26600 CVE-2021-46984 CVE-2023-52478 CVE-2023-52476 CVE-2023-52522 CVE-2021-47101 CVE-2021-47097 CVE-2023-52605 CVE-2024-26638 CVE-2024-26645 CVE-2024-26665 CVE-2024-26720 CVE-2024-26717 CVE-2024-26769 CVE-2024-26846 CVE-2024-26894 CVE-2024-26880 CVE-2024-26855 CVE-2024-26923 CVE-2024-26939 CVE-2024-27013 CVE-2024-27042 CVE-2024-35809 CVE-2023-52683 CVE-2024-35884 CVE-2024-35877 CVE-2024-35944 CVE-2024-35989 CVE-2021-47412 CVE-2021-47393 CVE-2021-47386 CVE-2021-47385 CVE-2021-47384 CVE-2021-47383 CVE-2021-47432 CVE-2021-47352 CVE-2021-47338 CVE-2021-47321 CVE-2021-47289 CVE-2021-47287 CVE-2023-52798 CVE-2023-52809 CVE-2023-52817 CVE-2023-52840 CVE-2023-52800 CVE-2021-47441 CVE-2021-47466 CVE-2021-47455 CVE-2021-47497 CVE-2021-47560 CVE-2021-47527 CVE-2024-36883 CVE-2024-36922 CVE-2024-36920 CVE-2024-36902 CVE-2024-36953 CVE-2024-36939 CVE-2024-36919 CVE-2024-36901 CVE-2021-47582 CVE-2021-47609 CVE-2024-38619 CVE-2022-48754 CVE-2022-48760 CVE-2024-38581 CVE-2024-38579 CVE-2024-38570 CVE-2024-38559 CVE-2024-38558 CVE-2024-37356 CVE-2024-39471 CVE-2024-39499 CVE-2024-39501 CVE-2024-39506 CVE-2024-40904 CVE-2024-40911 CVE-2024-40912 CVE-2024-40929 CVE-2024-40931 CVE-2024-40941 CVE-2024-40954 CVE-2024-40958 CVE-2024-40959 CVE-2024-40960 CVE-2024-40972…

bdu:2025-14571

2026-10-04T09:41:51.487773+00:00

bdu:2025-14571

certfr-2024-avi-0496 — De multiples vulnérabilités ont été découvertes dans le noyau Linux de SUSE. Certaines d'entre elles permettent à un at…

2026-10-04T09:41:51.487793+00:00

certfr-2024-avi-0496

EUVD-2026-309772

2026-10-04T09:41:51.487809+00:00

EUVD-2026-309772

fkie_cve-2021-47497

2026-10-04T09:41:51.487821+00:00

In the Linux kernel, the following vulnerability has been resolved:

nvmem: Fix shift-out-of-bound (UBSAN) with byte size cells

If a cell has 'nbits' equal to a multiple of BITS_PER_BYTE the logic

*p &= GENMASK((cell->nbits%BITS_PER_BYTE) - 1, 0);

will become undefined behavior because nbits modulo BITS_PER_BYTE is 0, and we subtract one from that making a large number that is then shifted more than the number of bits that fit into an unsigned long.

UBSAN reports this problem:

UBSAN: shift-out-of-bounds in drivers/nvmem/core.c:1386:8 shift exponent 64 is too large for 64-bit type 'unsigned long' CPU: 6 PID: 7 Comm: kworker/u16:0 Not tainted 5.15.0-rc3+ #9 Hardware name: Google Lazor (rev3+) with KB Backlight (DT) Workqueue: events_unbound deferred_probe_work_func Call trace: dump_backtrace+0x0/0x170 show_stack+0x24/0x30 dump_stack_lvl+0x64/0x7c dump_stack+0x18/0x38 ubsan_epilogue+0x10/0x54 __ubsan_handle_shift_out_of_bounds+0x180/0x194 __nvmem_cell_read+0x1ec/0x21c nvmem_cell_read+0x58/0x94 nvmem_cell_read_variable_common+0x4c/0xb0 nvmem_cell_read_variable_le_u32+0x40/0x100 a6xx_gpu_init+0x170/0x2f4 adreno_bind+0x174/0x284 component_bind_all+0xf0/0x264 msm_drm_bind+0x1d8/0x7a0 try_to_bring_up_master+0x164/0x1ac __component_add+0xbc/0x13c component_add+0x20/0x2c dp_display_probe+0x340/0x384 platform_probe+0xc0/0x100 really_probe+0x110/0x304 __driver_probe_device+0xb8/0x120 driver_probe_device+0x4c/0xfc __device_attach_…

GHSA-vgjx-6ccw-c3f6

2026-10-04T09:41:51.487866+00:00

In the Linux kernel, the following vulnerability has been resolved:

nvmem: Fix shift-out-of-bound (UBSAN) with byte size cells

If a cell has 'nbits' equal to a multiple of BITS_PER_BYTE the logic

*p &= GENMASK((cell->nbits%BITS_PER_BYTE) - 1, 0);

UBSAN reports this problem:

OESA-2024-1677 — kernel security update

2026-10-04T09:41:51.487901+00:00

Affected: openEuler:20.03-LTS-SP1: kernel

The Linux Kernel, the operating system core itself. Security Fix(es): In the Linux kernel, the following vulnerability has been resolved: usb: dwc3: ep0: fix NULL pointer exception There is no validation of the index from dwc3_wIndex_to_dep() and we might be referring a non-existing ep and trigger a NULL pointer exception. In certain configurations we might use fewer eps and the index might wrongly indicate a larger ep index than existing. By adding this validation from the patch we can actually report a wrong index back to the caller. In our usecase we are using a composite device on an older kernel, but upstream might use this fix also. Unfortunately, I cannot describe the hardware for others to reproduce the issue as it is a proprietary implementation. [ 82.958261] Unable to handle kernel NULL pointer dereference at virtual address 00000000000000a4 [ 82.966891] Mem abort info: [ 82.969663] ESR = 0x96000006 [ 82.972703] Exception class = DABT (current EL), IL = 32 bits [ 82.978603] SET = 0, FnV = 0 [ 82.981642] EA = 0, S1PTW = 0 [ 82.984765] Data abort info: [ 82.987631] ISV = 0, ISS = 0x00000006 [ 82.991449] CM = 0, WnR = 0 [ 82.994409] user pgtable: 4k pages, 39-bit VAs, pgdp = 00000000c6210ccc [ 83.000999] [00000000000000a4] pgd=0000000053aa5003, pud=0000000053aa5003, pmd=0000000000000000 [ 83.009685] Internal error: Oops: 96000006 [#1] PREEMPT SMP [ 83.026433] Process irq/62-dwc3 (pid: 303, stack limit = 0x0000…

RHSA-2024:7000 — Red Hat Security Advisory: kernel security update

2026-10-04T09:41:51.488238+00:00

kernel: kyber: fix out of bounds access when preempted kernel: Input: elantech - fix stack out of bound access in elantech_change_report_id() kernel: asix: fix uninit-value in asix_mdio_read() kernel: driver core: auxiliary bus: Fix memory leak when driver_register() fail kernel: ACPI: fix NULL pointer dereference kernel: watchdog: Fix possible use-after-free by calling del_timer_sync() kernel: fbmem: Do not delete the mode that is still in use kernel: virtio-net: Add validation for used length kernel: tty: Fix out-of-bound vmalloc access in imageblit kernel: hwmon: (w83793) Fix NULL pointer dereference by removing unnecessary structure field kernel: hwmon: (w83792d) Fix NULL pointer dereference by removing unnecessary structure field kernel: hwmon: (w83791d) Fix NULL pointer dereference by removing unnecessary structure field kernel: hwmon: (mlxreg-fan) Return non-zero value when fan current state is enforced from sysfs kernel: block: don't call rq_qos_ops->done_bio if the bio isn't tracked kernel: lib/generic-radix-tree.c: Don't overflow in peek() kernel: mlxsw: thermal: Fix out-of-bounds memory accesses kernel: ptp: Fix possible memory leak in ptp_clock_register() kernel: mm, slub: fix potential memoryleak in kmem_cache_open() kernel: nvmem: Fix shift-out-of-bound (UBSAN) with byte size cells kernel: serial: core: fix transmit-buffer reset and memleak kernel: mlxsw: spectrum: Protect driver from buggy firmware kernel: USB: core: Make do_proc_control() and do_proc_bulk() k…

RHSA-2024:7001 — Red Hat Security Advisory: kernel-rt security update

2026-10-04T09:41:51.488475+00:00

SUSE-SU-2024:1979-1 — Security update for the Linux Kernel

2026-10-04T09:41:51.488672+00:00

Security update for the Linux Kernel

UBUNTU-CVE-2021-47497

2026-10-04T09:41:51.488799+00:00

Affected: Ubuntu:Pro:14.04:LTS: linux-azure, Ubuntu:Pro:14.04:LTS: linux-aws, Ubuntu:Pro:14.04:LTS: linux-lts-xenial, Ubuntu:Pro:16.04:LTS: linux-aws-hwe, Ubuntu:Pro:16.04:LTS: linux-azure, Ubuntu:Pro:16.04:LTS: linux-gcp, Ubuntu:Pro:16.04:LTS: linux-hwe, Ubuntu:Pro:16.04:LTS: linux-oracle, Ubuntu:Pro:16.04:LTS: linux, Ubuntu:Pro:16.04:LTS: linux-aws and 107 more

In the Linux kernel, the following vulnerability has been resolved: nvmem: Fix shift-out-of-bound (UBSAN) with byte size cells If a cell has 'nbits' equal to a multiple of BITS_PER_BYTE the logic *p &= GENMASK((cell->nbits%BITS_PER_BYTE) - 1, 0); will become undefined behavior because nbits modulo BITS_PER_BYTE is 0, and we subtract one from that making a large number that is then shifted more than the number of bits that fit into an unsigned long. UBSAN reports this problem: UBSAN: shift-out-of-bounds in drivers/nvmem/core.c:1386:8 shift exponent 64 is too large for 64-bit type 'unsigned long' CPU: 6 PID: 7 Comm: kworker/u16:0 Not tainted 5.15.0-rc3+ #9 Hardware name: Google Lazor (rev3+) with KB Backlight (DT) Workqueue: events_unbound deferred_probe_work_func Call trace: dump_backtrace+0x0/0x170 show_stack+0x24/0x30 dump_stack_lvl+0x64/0x7c dump_stack+0x18/0x38 ubsan_epilogue+0x10/0x54 __ubsan_handle_shift_out_of_bounds+0x180/0x194 __nvmem_cell_read+0x1ec/0x21c nvmem_cell_read+0x58/0x94 nvmem_cell_read_variable_common+0x4c/0xb0 nvmem_cell_read_variable_le_u32+0x40/0x100 a6xx_gpu_init+0x170/0x2f4 adreno_bind+0x174/0x284 component_bind_all+0xf0/0x264 msm_drm_bind+0x1d8/0x7a0 try_to_bring_up_master+0x164/0x1ac __component_add+0xbc/0x13c component_add+0x20/0x2c dp_display_probe+0x340/0x384 platform_probe+0xc0/0x100 really_probe+0x110/0x304 __driver_probe_device+0xb8/0x120 driver_probe_device+0x4c/0xfc __device_attach_driver…

WID-SEC-W-2024-1197 — Linux Kernel: Mehrere Schwachstellen ermöglichen Denial of Service und unspezifische Angriffe

2026-10-04T09:41:51.488946+00:00

Ein lokaler Angreifer kann mehrere Schwachstellen im Linux-Kernel ausnutzen, um einen Denial-of-Service-Zustand zu erzeugen oder unspezifische Angriffe durchzuführen.