CVE-2025-38583
Estado: AnalizadaMedia (5.5)—
In the Linux kernel, the following vulnerability has been resolved:
clk: xilinx: vcu: unregister pll_post only if registered correctly
If registration of pll_post is failed, it will be set to NULL or ERR, unregistering same will fail with following call trace:
Detalles técnicos trazas, registros y código del informe original
Unable to handle kernel NULL pointer dereference at virtual address 008 pc : clk_hw_unregister+0xc/0x20 lr : clk_hw_unregister_fixed_factor+0x18/0x30 sp : ffff800011923850 ... Call trace: clk_hw_unregister+0xc/0x20 clk_hw_unregister_fixed_factor+0x18/0x30 xvcu_unregister_clock_provider+0xcc/0xf4 [xlnx_vcu] xvcu_probe+0x2bc/0x53c [xlnx_vcu]
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Puntuación base: 5.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.16%
- Percentil entre todas las CVEs puntuadas: 4
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (2)
CWE
- CWE-476
Referencias
- https://git.kernel.org/stable/c/3b0abc443ac22f7d4f61ddbbbbc5dbb06c87139d
- https://git.kernel.org/stable/c/51990eecf22f446550befdfd1a9f54147eafd636
- https://git.kernel.org/stable/c/7e903da71f8bec4beb7c06707900e1ed8db843ca
- https://git.kernel.org/stable/c/86124c5cfceb5ac04d2fddbf1b6f7147332d96a3
- https://git.kernel.org/stable/c/88bd875b7f9c3652c27d6e4bb7a23701b764f762
- https://git.kernel.org/stable/c/a72b1c2d3b53e088bfaeb593949ff6fbd2cbe8ed
- https://git.kernel.org/stable/c/f1a1be99d5ae53d3b404415f1665eb59e8e02a8c
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html
JSON original (NVD)
Mostrar
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nclk: xilinx: vcu: unregister pll_post only if registered correctly\n\nIf registration of pll_post is failed, it will be set to NULL or ERR,\nunregistering same will fail with following call trace:\n\nUnable to handle kernel NULL pointer dereference at virtual address 008\npc : clk_hw_unregister+0xc/0x20\nlr : clk_hw_unregister_fixed_factor+0x18/0x30\nsp : ffff800011923850\n...\nCall trace:\n clk_hw_unregister+0xc/0x20\n clk_hw_unregister_fixed_factor+0x18/0x30\n xvcu_unregister_clock_provider+0xcc/0xf4 [xlnx_vcu]\n xvcu_probe+0x2bc/0x53c [xlnx_vcu]"
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"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: clk: xilinx: vcu: anular el registro de pll_post solo si está registrado correctamente Si falla el registro de pll_post, se establecerá en NULL o ERR, y su anulación fallará con el siguiente seguimiento de llamada: No se puede controlar la desreferencia del puntero NULL del kernel en la dirección virtual 008 pc: clk_hw_unregister+0xc/0x20 lr: clk_hw_unregister_fixed_factor+0x18/0x30 sp: ffff800011923850 ... Seguimiento de llamada: clk_hw_unregister+0xc/0x20 clk_hw_unregister_fixed_factor+0x18/0x30 xvcu_unregister_clock_provider+0xcc/0xf4 [xlnx_vcu] xvcu_probe+0x2bc/0x53c [xlnx_vcu]"
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