cve-2024-26799
Vulnerability from cvelistv5
Published
2024-04-04 08:20
Modified
2024-11-05 09:16
Severity ?
6.2 (Medium) - CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
ASoC: qcom: Fix uninitialized pointer dmactl
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1382d8b55129875b2e07c4d2a7ebc790183769ee
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/99adc8b4d2f38bf0d06483ec845bc48f60c3f8cf
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d5a7726e6ea62d447b79ab5baeb537ea6bdb225b
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website

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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: qcom: Fix uninitialized pointer dmactl\n\nIn the case where __lpass_get_dmactl_handle is called and the driver\nid dai_id is invalid the pointer dmactl is not being assigned a value,\nand dmactl contains a garbage value since it has not been initialized\nand so the null check may not work. Fix this to initialize dmactl to\nNULL. One could argue that modern compilers will set this to zero, but\nit is useful to keep this initialized as per the same way in functions\n__lpass_platform_codec_intf_init and lpass_cdc_dma_daiops_hw_params.\n\nCleans up clang scan build warning:\nsound/soc/qcom/lpass-cdc-dma.c:275:7: warning: Branch condition\nevaluates to a garbage value [core.uninitialized.Branch]"
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    "dateReserved": "2024-02-19T14:20:24.179Z",
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    "nvd": "{\"cve\":{\"id\":\"CVE-2024-26799\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-04-04T09:15:08.953\",\"lastModified\":\"2024-11-01T15:35:10.707\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nASoC: qcom: Fix uninitialized pointer dmactl\\n\\nIn the case where __lpass_get_dmactl_handle is called and the driver\\nid dai_id is invalid the pointer dmactl is not being assigned a value,\\nand dmactl contains a garbage value since it has not been initialized\\nand so the null check may not work. Fix this to initialize dmactl to\\nNULL. One could argue that modern compilers will set this to zero, but\\nit is useful to keep this initialized as per the same way in functions\\n__lpass_platform_codec_intf_init and lpass_cdc_dma_daiops_hw_params.\\n\\nCleans up clang scan build warning:\\nsound/soc/qcom/lpass-cdc-dma.c:275:7: warning: Branch condition\\nevaluates to a garbage value [core.uninitialized.Branch]\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ASoC: qcom: corrige el puntero no inicializado dmactl. En el caso de que se llame a __lpass_get_dmactl_handle y el ID del controlador dai_id no sea v\u00e1lido, al puntero dmactl no se le asigna un valor y dmactl contiene un valor basura. ya que no se ha inicializado y, por lo tanto, es posible que la verificaci\u00f3n nula no funcione. Solucione esto para inicializar dmactl a NULL. Se podr\u00eda argumentar que los compiladores modernos establecer\u00e1n esto en cero, pero es \u00fatil mantenerlo inicializado de la misma manera en las funciones __lpass_platform_codec_intf_init y lpass_cdc_dma_daiops_hw_params. Limpia la advertencia de compilaci\u00f3n de escaneo clang: sound/soc/qcom/lpass-cdc-dma.c:275:7: advertencia: la condici\u00f3n de rama se eval\u00faa como un valor basura [core.uninitialized.Branch]\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":6.2,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":2.5,\"impactScore\":3.6}]},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/1382d8b55129875b2e07c4d2a7ebc790183769ee\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/99adc8b4d2f38bf0d06483ec845bc48f60c3f8cf\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/d5a7726e6ea62d447b79ab5baeb537ea6bdb225b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
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