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CVSS: -EPSS: 0%CPEs: 2EXPL: 0

In the Linux kernel, the following vulnerability has been resolved: cpufreq: loongson3: Use raw_smp_processor_id() in do_service_request() Use raw_smp_processor_id() instead of plain smp_processor_id() in do_service_request(), otherwise we may get some errors with the driver enabled: BUG: using smp_processor_id() in preemptible [00000000] code: (udev-worker)/208 caller is loongson3_cpufreq_probe+0x5c/0x250 [loongson3_cpufreq] • https://git.kernel.org/stable/c/2f78e4a6d2702ac03c2bf2ed3a0e344e1fa9f967 https://git.kernel.org/stable/c/2b7ec33e534f7a10033a5cf07794acf48b182bbe •

CVSS: -EPSS: 0%CPEs: 2EXPL: 0

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: fix a UBSAN warning in DML2.1 When programming phantom pipe, since cursor_width is explicity set to 0, this causes calculation logic to trigger overflow for an unsigned int triggering the kernel's UBSAN check as below: [ 40.962845] UBSAN: shift-out-of-bounds in /tmp/amd.EfpumTkO/amd/amdgpu/../display/dc/dml2/dml21/src/dml2_core/dml2_core_dcn4_calcs.c:3312:34 [ 40.962849] shift exponent 4294967170 is too large for 32-bit type 'unsigned int' [ 40.962852] CPU: 1 PID: 1670 Comm: gnome-shell Tainted: G W OE 6.5.0-41-generic #41~22.04.2-Ubuntu [ 40.962854] Hardware name: Gigabyte Technology Co., Ltd. X670E AORUS PRO X/X670E AORUS PRO X, BIOS F21 01/10/2024 [ 40.962856] Call Trace: [ 40.962857] <TASK> [ 40.962860] dump_stack_lvl+0x48/0x70 [ 40.962870] dump_stack+0x10/0x20 [ 40.962872] __ubsan_handle_shift_out_of_bounds+0x1ac/0x360 [ 40.962878] calculate_cursor_req_attributes.cold+0x1b/0x28 [amdgpu] [ 40.963099] dml_core_mode_support+0x6b91/0x16bc0 [amdgpu] [ 40.963327] ? srso_alias_return_thunk+0x5/0x7f [ 40.963331] ? CalculateWatermarksMALLUseAndDRAMSpeedChangeSupport+0x18b8/0x2790 [amdgpu] [ 40.963534] ? • https://git.kernel.org/stable/c/27bc3da5eae57e3af8f5648b4498ffde48781434 https://git.kernel.org/stable/c/eaf3adb8faab611ba57594fa915893fc93a7788c •

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

In the Linux kernel, the following vulnerability has been resolved: udf: fix uninit-value use in udf_get_fileshortad Check for overflow when computing alen in udf_current_aext to mitigate later uninit-value use in udf_get_fileshortad KMSAN bug[1]. After applying the patch reproducer did not trigger any issue[2]. [1] https://syzkaller.appspot.com/bug?extid=8901c4560b7ab5c2f9df [2] https://syzkaller.appspot.com/x/log.txt?x=10242227980000 En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: udf: se corrige el uso de un valor no inicializado en udf_get_fileshortad. Se comprueba si hay desbordamiento al calcular alen en udf_current_aext para mitigar el uso posterior de un valor no inicializado en udf_get_fileshortad. Error de KMSAN[1]. • https://git.kernel.org/stable/c/5eb76fb98b3335aa5cca6a7db2e659561c79c32b https://git.kernel.org/stable/c/417bd613bdbe791549f7687bb1b9b8012ff111c2 https://git.kernel.org/stable/c/4fc0d8660e391dcd8dde23c44d702be1f6846c61 https://git.kernel.org/stable/c/72e445df65a0aa9066c6fe2b8736ba2fcca6dac7 https://git.kernel.org/stable/c/1ac49babc952f48d82676979b20885e480e69be8 https://git.kernel.org/stable/c/e52e0b92ed31dc62afbda15c243dcee0bb5bb58d https://git.kernel.org/stable/c/264db9d666ad9a35075cc9ed9ec09d021580fbb1 •

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

In the Linux kernel, the following vulnerability has been resolved: drm/vboxvideo: Replace fake VLA at end of vbva_mouse_pointer_shape with real VLA Replace the fake VLA at end of the vbva_mouse_pointer_shape shape with a real VLA to fix a "memcpy: detected field-spanning write error" warning: [ 13.319813] memcpy: detected field-spanning write (size 16896) of single field "p->data" at drivers/gpu/drm/vboxvideo/hgsmi_base.c:154 (size 4) [ 13.319841] WARNING: CPU: 0 PID: 1105 at drivers/gpu/drm/vboxvideo/hgsmi_base.c:154 hgsmi_update_pointer_shape+0x192/0x1c0 [vboxvideo] [ 13.320038] Call Trace: [ 13.320173] hgsmi_update_pointer_shape [vboxvideo] [ 13.320184] vbox_cursor_atomic_update [vboxvideo] Note as mentioned in the added comment it seems the original length calculation for the allocated and send hgsmi buffer is 4 bytes too large. Changing this is not the goal of this patch, so this behavior is kept. En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/vboxvideo: Reemplazar VLA falso al final de vbva_mouse_pointer_shape con VLA real Reemplace el VLA falso al final de la forma vbva_mouse_pointer_shape con un VLA real para corregir una advertencia "memcpy: error de escritura que abarca el campo detectado": [ 13.319813] memcpy: se detectó una escritura que abarca el campo (tamaño 16896) de un solo campo "p-&gt;data" en drivers/gpu/drm/vboxvideo/hgsmi_base.c:154 (tamaño 4) [ 13.319841] ADVERTENCIA: CPU: 0 PID: 1105 en drivers/gpu/drm/vboxvideo/hgsmi_base.c:154 hgsmi_update_pointer_shape+0x192/0x1c0 [vboxvideo] [ [13.320038] Seguimiento de llamadas: [13.320173] hgsmi_update_pointer_shape [vboxvideo] [13.320184] vbox_cursor_atomic_update [vboxvideo] Tenga en cuenta que, como se menciona en el comentario agregado, parece que el cálculo de longitud original para el búfer hgsmi asignado y enviado es 4 bytes más grande. Cambiar esto no es el objetivo de este parche, por lo que se mantiene este comportamiento. • https://git.kernel.org/stable/c/02c86c5d5ef4bbba17d38859c74872825f536617 https://git.kernel.org/stable/c/75f828e944dacaac8870418461d3d48a1ecf2331 https://git.kernel.org/stable/c/34a422274b693507025a7db21519865d1862afcb https://git.kernel.org/stable/c/7458a6cdaebb3dc59af8578ee354fae78a154c4a https://git.kernel.org/stable/c/9eb32bd23bbcec44bcbef27b7f282b7a7f3d0391 https://git.kernel.org/stable/c/fae9dc12c61ce23cf29d09824a741b7b1ff8f01f https://git.kernel.org/stable/c/d92b90f9a54d9300a6e883258e79f36dab53bfae •

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

In the Linux kernel, the following vulnerability has been resolved: x86/lam: Disable ADDRESS_MASKING in most cases Linear Address Masking (LAM) has a weakness related to transient execution as described in the SLAM paper[1]. Unless Linear Address Space Separation (LASS) is enabled this weakness may be exploitable. Until kernel adds support for LASS[2], only allow LAM for COMPILE_TEST, or when speculation mitigations have been disabled at compile time, otherwise keep LAM disabled. There are no processors in market that support LAM yet, so currently nobody is affected by this issue. [1] SLAM: https://download.vusec.net/papers/slam_sp24.pdf [2] LASS: https://lore.kernel.org/lkml/20230609183632.48706-1-alexander.shishkin@linux.intel.com/ [ dhansen: update SPECULATION_MITIGATIONS -> CPU_MITIGATIONS ] En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: x86/lam: Deshabilitar ADDRESS_MASKING en la mayoría de los casos. El enmascaramiento de direcciones lineales (LAM) tiene una debilidad relacionada con la ejecución transitoria como se describe en el documento SLAM[1]. A menos que se habilite la separación del espacio de direcciones lineales (LASS), esta debilidad puede ser explotable. Hasta que el kernel agregue soporte para LASS[2], solo permita LAM para COMPILE_TEST, o cuando las mitigaciones de especulación se hayan deshabilitado en el momento de la compilación, de lo contrario, mantenga LAM deshabilitado. • https://git.kernel.org/stable/c/60a5ba560f296ad8da153f6ad3f70030bfa3958f https://git.kernel.org/stable/c/690599066488d16db96ac0d6340f9372fc56f337 https://git.kernel.org/stable/c/3267cb6d3a174ff83d6287dcd5b0047bbd912452 •