cve-2024-26993
Vulnerability from cvelistv5
Published
2024-05-01 05:28
Modified
2024-12-19 08:51
Severity ?
Summary
fs: sysfs: Fix reference leak in sysfs_break_active_protection()
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/43f00210cb257bcb0387e8caeb4b46375d67f30cPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/57baab0f376bec8f54b0fe6beb8f77a57c228063Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5d43e072285e81b0b63cee7189b3357c7768a43bPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/84bd4c2ae9c3d0a7d3a5c032ea7efff17af17e17Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a4c99b57d43bab45225ba92d574a8683f9edc8e4Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a90bca2228c0646fc29a72689d308e5fe03e6d78Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ac107356aabc362aaeb77463e814fc067a5d3957Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f28bba37fe244889b81bb5c508d3f6e5c6e342c5Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/43f00210cb257bcb0387e8caeb4b46375d67f30cPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/57baab0f376bec8f54b0fe6beb8f77a57c228063Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/5d43e072285e81b0b63cee7189b3357c7768a43bPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/84bd4c2ae9c3d0a7d3a5c032ea7efff17af17e17Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/a4c99b57d43bab45225ba92d574a8683f9edc8e4Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/a90bca2228c0646fc29a72689d308e5fe03e6d78Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/ac107356aabc362aaeb77463e814fc067a5d3957Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/f28bba37fe244889b81bb5c508d3f6e5c6e342c5Patch
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2024/06/msg00017.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2024/06/msg00020.htmlMailing List, Third Party Advisory
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website

To clipboard 

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As a result, the\\nreference to kobj acquired at the start of the function will never be\\nreleased.\\n\\nFix the leak by adding an explicit kobject_put() call when kn is NULL.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: fs: sysfs: corrige la fuga de referencia en sysfs_break_active_protection() La rutina sysfs_break_active_protection() tiene una fuga de referencia obvia en su ruta de error. Si la llamada a kernfs_find_and_get() falla, entonces kn ser\u00e1 NULL, por lo que no se llamar\u00e1 a la rutina complementaria sysfs_unbreak_active_protection() (y solo causar\u00eda una infracci\u00f3n de acceso al intentar eliminar la referencia a kn-\u0026gt;parent si se llamara). Como resultado, la referencia a kobj adquirida al inicio de la funci\u00f3n nunca se publicar\u00e1. Solucione la fuga agregando una llamada expl\u00edcita a kobject_put() cuando kn sea 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  }
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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