{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-21801", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-12-29T08:45:45.770Z", "datePublished": "2025-02-27T20:00:55.572Z", "dateUpdated": "2026-05-11T21:06:45.869Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T21:06:45.869Z"}, "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"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/ethernet/renesas/ravb_main.c"], "versions": [{"version": "0184165b2f42c4b032da9dd11546bfbaeb5afd4e", "lessThan": "0296981941cf291edfbc318d3255a93439f368e4", "status": "affected", "versionType": "git"}, {"version": "0184165b2f42c4b032da9dd11546bfbaeb5afd4e", "lessThan": "ad19522c007bb24ed874468f8baa1503c4662cf4", "status": "affected", "versionType": "git"}, {"version": "0184165b2f42c4b032da9dd11546bfbaeb5afd4e", "lessThan": "2c2ebb2b49573e5f8726112ad06b1dffc3c9ea03", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/ethernet/renesas/ravb_main.c"], "versions": [{"version": "4.9", "status": "affected"}, {"version": "0", "lessThan": "4.9", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.13", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.13.2", "lessThanOrEqual": "6.13.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.14", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.9", "versionEndExcluding": "6.12.13"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.9", "versionEndExcluding": "6.13.2"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.9", "versionEndExcluding": "6.14"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/0296981941cf291edfbc318d3255a93439f368e4"}, {"url": "https://git.kernel.org/stable/c/ad19522c007bb24ed874468f8baa1503c4662cf4"}, {"url": "https://git.kernel.org/stable/c/2c2ebb2b49573e5f8726112ad06b1dffc3c9ea03"}], "title": "net: ravb: Fix missing rtnl lock in suspend/resume path", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "1F3C05B7-5F93-443D-9334-0B93D74DDA67", "versionEndExcluding": "6.12.13", "versionStartIncluding": "4.9", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "6D4116B1-1BFD-4F23-BA84-169CC05FC5A3", "versionEndExcluding": "6.13.2", "versionStartIncluding": "6.13", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "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 suspensi\u00f3n/reanudaci\u00f3n Corrija la ruta de suspensi\u00f3n/reanudaci\u00f3n asegur\u00e1ndose 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 correcci\u00f3n, 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 "}], "id": "CVE-2025-21801", "lastModified": "2025-10-30T21:35:12.517", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2025-02-27T20:16:02.753", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "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"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: net: ravb: Fix missing rtnl lock in suspend/resume path", "id": "2348892", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2348892"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnet: ravb: Fix missing rtnl lock in suspend/resume path\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.\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"], "name": "CVE-2025-21801", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-02-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-21801\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-21801\nhttps://lore.kernel.org/linux-cve-announce/2025022752-CVE-2025-21801-5496@gregkh/T"], "threat_severity": "Low"}

{}