{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-14T20:41:38.113","vulnerabilities":[{"cve":{"id":"CVE-2025-21801","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2025-02-27T20:16:02.753","lastModified":"2025-10-30T21:35:12.517","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ravb: Fix missing rtnl lock in suspend\/resume path\n\nFix the suspend\/resume path by ensuring the rtnl lock is held where\nrequired. Calls to ravb_open, ravb_close and wol operations must be\nperformed under the rtnl lock to prevent conflicts with ongoing ndo\noperations.\n\nWithout this fix, the following warning is triggered:\n[   39.032969] =============================\n[   39.032983] WARNING: suspicious RCU usage\n[   39.033019] -----------------------------\n[   39.033033] drivers\/net\/phy\/phy_device.c:2004 suspicious\nrcu_dereference_protected() usage!\n...\n[   39.033597] stack backtrace:\n[   39.033613] CPU: 0 UID: 0 PID: 174 Comm: python3 Not tainted\n6.13.0-rc7-next-20250116-arm64-renesas-00002-g35245dfdc62c #7\n[   39.033623] Hardware name: Renesas SMARC EVK version 2 based on\nr9a08g045s33 (DT)\n[   39.033628] Call trace:\n[   39.033633]  show_stack+0x14\/0x1c (C)\n[   39.033652]  dump_stack_lvl+0xb4\/0xc4\n[   39.033664]  dump_stack+0x14\/0x1c\n[   39.033671]  lockdep_rcu_suspicious+0x16c\/0x22c\n[   39.033682]  phy_detach+0x160\/0x190\n[   39.033694]  phy_disconnect+0x40\/0x54\n[   39.033703]  ravb_close+0x6c\/0x1cc\n[   39.033714]  ravb_suspend+0x48\/0x120\n[   39.033721]  dpm_run_callback+0x4c\/0x14c\n[   39.033731]  device_suspend+0x11c\/0x4dc\n[   39.033740]  dpm_suspend+0xdc\/0x214\n[   39.033748]  dpm_suspend_start+0x48\/0x60\n[   39.033758]  suspend_devices_and_enter+0x124\/0x574\n[   39.033769]  pm_suspend+0x1ac\/0x274\n[   39.033778]  state_store+0x88\/0x124\n[   39.033788]  kobj_attr_store+0x14\/0x24\n[   39.033798]  sysfs_kf_write+0x48\/0x6c\n[   39.033808]  kernfs_fop_write_iter+0x118\/0x1a8\n[   39.033817]  vfs_write+0x27c\/0x378\n[   39.033825]  ksys_write+0x64\/0xf4\n[   39.033833]  __arm64_sys_write+0x18\/0x20\n[   39.033841]  invoke_syscall+0x44\/0x104\n[   39.033852]  el0_svc_common.constprop.0+0xb4\/0xd4\n[   39.033862]  do_el0_svc+0x18\/0x20\n[   39.033870]  el0_svc+0x3c\/0xf0\n[   39.033880]  el0t_64_sync_handler+0xc0\/0xc4\n[   39.033888]  el0t_64_sync+0x154\/0x158\n[   39.041274] ravb 11c30000.ethernet eth0: Link is Down"},{"lang":"es","value":"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: ravb: Se corrige el bloqueo rtnl faltante en la ruta de suspensión\/reanudación Corrija la ruta de suspensión\/reanudación asegurándose de que el bloqueo rtnl se mantenga donde sea necesario. Las llamadas a las operaciones ravb_open, ravb_close y wol se deben realizar bajo el bloqueo rtnl para evitar conflictos con las operaciones ndo en curso. Sin esta corrección, se activa la siguiente advertencia: [ 39.032969] ============================= [ 39.032983] ADVERTENCIA: suspicious RCU usage [ 39.033019] ----------------------------- [ 39.033033] drivers\/net\/phy\/phy_device.c:2004 suspicious rcu_dereference_protected() usage! ... [ 39.033597] stack backtrace: [ 39.033613] CPU: 0 UID: 0 PID: 174 Comm: python3 Not tainted 6.13.0-rc7-next-20250116-arm64-renesas-00002-g35245dfdc62c #7 [ 39.033623] Hardware name: Renesas SMARC EVK version 2 based on r9a08g045s33 (DT) [ 39.033628] Call trace: [ 39.033633] show_stack+0x14\/0x1c (C) [ 39.033652] dump_stack_lvl+0xb4\/0xc4 [ 39.033664] dump_stack+0x14\/0x1c [ 39.033671] lockdep_rcu_suspicious+0x16c\/0x22c [ 39.033682] phy_detach+0x160\/0x190 [ 39.033694] phy_disconnect+0x40\/0x54 [ 39.033703] ravb_close+0x6c\/0x1cc [ 39.033714] ravb_suspend+0x48\/0x120 [ 39.033721] dpm_run_callback+0x4c\/0x14c [ 39.033731] device_suspend+0x11c\/0x4dc [ 39.033740] dpm_suspend+0xdc\/0x214 [ 39.033748] dpm_suspend_start+0x48\/0x60 [ 39.033758] suspend_devices_and_enter+0x124\/0x574 [ 39.033769] pm_suspend+0x1ac\/0x274 [ 39.033778] state_store+0x88\/0x124 [ 39.033788] kobj_attr_store+0x14\/0x24 [ 39.033798] sysfs_kf_write+0x48\/0x6c [ 39.033808] kernfs_fop_write_iter+0x118\/0x1a8 [ 39.033817] vfs_write+0x27c\/0x378 [ 39.033825] ksys_write+0x64\/0xf4 [ 39.033833] __arm64_sys_write+0x18\/0x20 [ 39.033841] invoke_syscall+0x44\/0x104 [ 39.033852] el0_svc_common.constprop.0+0xb4\/0xd4 [ 39.033862] do_el0_svc+0x18\/0x20 [ 39.033870] el0_svc+0x3c\/0xf0 [ 39.033880] el0t_64_sync_handler+0xc0\/0xc4 [ 39.033888] el0t_64_sync+0x154\/0x158 [ 39.041274] ravb 11c30000.ethernet eth0: Link is Down "}],"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":"NVD-CWE-noinfo"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"6.12.13","matchCriteriaId":"1F3C05B7-5F93-443D-9334-0B93D74DDA67"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"6.13.2","matchCriteriaId":"6D4116B1-1BFD-4F23-BA84-169CC05FC5A3"}]}]}],"references":[{"url":"https:\/\/git.kernel.org\/stable\/c\/0296981941cf291edfbc318d3255a93439f368e4","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https:\/\/git.kernel.org\/stable\/c\/2c2ebb2b49573e5f8726112ad06b1dffc3c9ea03","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https:\/\/git.kernel.org\/stable\/c\/ad19522c007bb24ed874468f8baa1503c4662cf4","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]}]}}]}