{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-13T14:25:04.156","vulnerabilities":[{"cve":{"id":"CVE-2021-46924","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2024-02-27T10:15:07.150","lastModified":"2024-11-21T06:34:56.670","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nNFC: st21nfca: Fix memory leak in device probe and remove\n\n'phy->pending_skb' is alloced when device probe, but forgot to free\nin the error handling path and remove path, this cause memory leak\nas follows:\n\nunreferenced object 0xffff88800bc06800 (size 512):\n  comm \"8\", pid 11775, jiffies 4295159829 (age 9.032s)\n  hex dump (first 32 bytes):\n    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n  backtrace:\n    [<00000000d66c09ce>] __kmalloc_node_track_caller+0x1ed/0x450\n    [<00000000c93382b3>] kmalloc_reserve+0x37/0xd0\n    [<000000005fea522c>] __alloc_skb+0x124/0x380\n    [<0000000019f29f9a>] st21nfca_hci_i2c_probe+0x170/0x8f2\n\nFix it by freeing 'pending_skb' in error and remove."},{"lang":"es","value":"En el kernel de Linux, se resolvió la siguiente vulnerabilidad: NFC: st21nfca: corrige la pérdida de memoria en la sonda del dispositivo y elimina 'phy-&gt;pending_skb' cuando se asigna la sonda del dispositivo, pero olvidó liberarla en la ruta de manejo de errores y eliminar la ruta, esto causa pérdida de memoria de la siguiente manera: objeto sin referencia 0xffff88800bc06800 (tamaño 512): comunicación \"8\", pid 11775, santiago 4295159829 (edad 9.032 s) volcado hexadecimal (primeros 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................. backtrace: [&lt;00000000d66c09ce&gt;] __kmalloc_node_track_caller+0x1ed/0x450 [&lt;00000000c93382b3&gt;] kmalloc_reserve+0x37/0xd0 [&lt;000000005fea522c&gt;] __alloc_skb+0x124/0x380 [ &lt;0000000019f29f9a&gt;] st21nfca_hci_i2c_probe+0x170/0x8f2 Solucionarlo liberando 'pending_skb' por error y elimínelo."}],"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:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-401"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.16.0","versionEndExcluding":"4.14.261","matchCriteriaId":"8A00E6D4-E196-4382-BAC7-C4BAC5A9CFAA"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15.0","versionEndExcluding":"4.19.224","matchCriteriaId":"B34A1353-506A-4AB9-87EC-CD50F09DFB8A"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20.0","versionEndExcluding":"5.4.170","matchCriteriaId":"56D16FBB-453E-4316-A027-E517828203D7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5.0","versionEndExcluding":"5.10.90","matchCriteriaId":"C87FB3FD-3E74-4588-A1A4-B9BA8AE0C06B"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11.0","versionEndExcluding":"5.15.13","matchCriteriaId":"083E0940-932B-447B-A6B2-677DAE27FD04"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/1b9dadba502234eea7244879b8d5d126bfaf9f0c","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/1cd4063dbc91cf7965d73a6a3855e2028cd4613b","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/238920381b8925d070d32d73cd9ce52ab29896fe","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/38c3e320e7ff46f2dc67bc5045333e63d9f8918d","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/a1e0080a35a16ce3808f7040fe0c3a8fdb052349","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/e553265ea56482da5700f56319fda9ff53e7dcb4","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/1b9dadba502234eea7244879b8d5d126bfaf9f0c","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/1cd4063dbc91cf7965d73a6a3855e2028cd4613b","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/238920381b8925d070d32d73cd9ce52ab29896fe","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/38c3e320e7ff46f2dc67bc5045333e63d9f8918d","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/a1e0080a35a16ce3808f7040fe0c3a8fdb052349","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/e553265ea56482da5700f56319fda9ff53e7dcb4","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]}]}}]}