{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-06-13T10:51:39.042","vulnerabilities":[{"cve":{"id":"CVE-2026-23158","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2026-02-14T16:15:55.967","lastModified":"2026-03-18T14:19:55.513","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ngpio: virtuser: fix UAF in configfs release path\n\nThe gpio-virtuser configfs release path uses guard(mutex) to protect\nthe device structure. However, the device is freed before the guard\ncleanup runs, causing mutex_unlock() to operate on freed memory.\n\nSpecifically, gpio_virtuser_device_config_group_release() destroys\nthe mutex and frees the device while still inside the guard(mutex)\nscope. When the function returns, the guard cleanup invokes\nmutex_unlock(&dev->lock), resulting in a slab use-after-free.\n\nLimit the mutex lifetime by using a scoped_guard() only around the\nactivation check, so that the lock is released before mutex_destroy()\nand kfree() are called."},{"lang":"es","value":"En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\ngpio: virtuser: corregir uso después de liberación en la ruta de liberación de configfs\n\nLa ruta de liberación de configfs de gpio-virtuser usa guard(mutex) para proteger la estructura del dispositivo. Sin embargo, el dispositivo es liberado antes de que se ejecute la limpieza del guard, causando que mutex_unlock() opere sobre memoria liberada.\n\nEspecíficamente, gpio_virtuser_device_config_group_release() destruye el mutex y libera el dispositivo mientras aún está dentro del ámbito de guard(mutex). Cuando la función retorna, la limpieza del guard invoca mutex_unlock(&dev->lock), resultando en un uso después de liberación de slab.\n\nLimitar la vida útil del mutex usando un scoped_guard() solo alrededor de la verificación de activación, para que el bloqueo sea liberado antes de que se llamen a mutex_destroy() y kfree()."}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-416"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11","versionEndExcluding":"6.12.69","matchCriteriaId":"219DC3F4-AB51-4D26-AD8C-80422D7E6103"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"6.18.9","matchCriteriaId":"171CFCB2-8F49-4F9E-8A67-FAC6BF45B5A2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.19:rc1:*:*:*:*:*:*","matchCriteriaId":"17B67AA7-40D6-4AFA-8459-F200F3D7CFD1"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.19:rc2:*:*:*:*:*:*","matchCriteriaId":"C47E4CC9-C826-4FA9-B014-7FE3D9B318B2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.19:rc3:*:*:*:*:*:*","matchCriteriaId":"F71D92C0-C023-48BD-B3B6-70B638EEE298"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.19:rc4:*:*:*:*:*:*","matchCriteriaId":"13580667-0A98-40CC-B29F-D12790B91BDB"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.19:rc5:*:*:*:*:*:*","matchCriteriaId":"CAD1FED7-CF48-47BF-AC7D-7B6FA3C065FC"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.19:rc6:*:*:*:*:*:*","matchCriteriaId":"3EF854A1-ABB1-4E93-BE9A-44569EC76C0D"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.19:rc7:*:*:*:*:*:*","matchCriteriaId":"F5DC0CA6-F0AF-4DDF-A882-3DADB9A886A7"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/53ad4a948a4586359b841d607c08fb16c5503230","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/7bec90f605cfb138006f5ba575f2310593347110","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/815a8e3bf72811d402b30bd4a53cde5e9df7a563","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]}]}}]}