{"api_version":"1","generated_at":"2026-04-23T01:54:47+00:00","cve":"CVE-2026-23175","urls":{"html":"https://cve.report/CVE-2026-23175","api":"https://cve.report/api/cve/CVE-2026-23175.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-23175","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-23175"},"summary":{"title":"net: cpsw: Execute ndo_set_rx_mode callback in a work queue","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: cpsw: Execute ndo_set_rx_mode callback in a work queue\n\nCommit 1767bb2d47b7 (\"ipv6: mcast: Don't hold RTNL for\nIPV6_ADD_MEMBERSHIP and MCAST_JOIN_GROUP.\") removed the RTNL lock for\nIPV6_ADD_MEMBERSHIP and MCAST_JOIN_GROUP operations. However, this\nchange triggered the following call trace on my BeagleBone Black board:\n  WARNING: net/8021q/vlan_core.c:236 at vlan_for_each+0x120/0x124, CPU#0: rpcbind/481\n  RTNL: assertion failed at net/8021q/vlan_core.c (236)\n  Modules linked in:\n  CPU: 0 UID: 997 PID: 481 Comm: rpcbind Not tainted 6.19.0-rc7-next-20260130-yocto-standard+ #35 PREEMPT\n  Hardware name: Generic AM33XX (Flattened Device Tree)\n  Call trace:\n   unwind_backtrace from show_stack+0x28/0x2c\n   show_stack from dump_stack_lvl+0x30/0x38\n   dump_stack_lvl from __warn+0xb8/0x11c\n   __warn from warn_slowpath_fmt+0x130/0x194\n   warn_slowpath_fmt from vlan_for_each+0x120/0x124\n   vlan_for_each from cpsw_add_mc_addr+0x54/0x98\n   cpsw_add_mc_addr from __hw_addr_ref_sync_dev+0xc4/0xec\n   __hw_addr_ref_sync_dev from __dev_mc_add+0x78/0x88\n   __dev_mc_add from igmp6_group_added+0x84/0xec\n   igmp6_group_added from __ipv6_dev_mc_inc+0x1fc/0x2f0\n   __ipv6_dev_mc_inc from __ipv6_sock_mc_join+0x124/0x1b4\n   __ipv6_sock_mc_join from do_ipv6_setsockopt+0x84c/0x1168\n   do_ipv6_setsockopt from ipv6_setsockopt+0x88/0xc8\n   ipv6_setsockopt from do_sock_setsockopt+0xe8/0x19c\n   do_sock_setsockopt from __sys_setsockopt+0x84/0xac\n   __sys_setsockopt from ret_fast_syscall+0x0/0x54\n\nThis trace occurs because vlan_for_each() is called within\ncpsw_ndo_set_rx_mode(), which expects the RTNL lock to be held.\nSince modifying vlan_for_each() to operate without the RTNL lock is not\nstraightforward, and because ndo_set_rx_mode() is invoked both with and\nwithout the RTNL lock across different code paths, simply adding\nrtnl_lock() in cpsw_ndo_set_rx_mode() is not a viable solution.\n\nTo resolve this issue, we opt to execute the actual processing within\na work queue, following the approach used by the icssg-prueth driver.\n\nPlease note: To reproduce this issue, I manually reverted the changes to\nam335x-bone-common.dtsi from commit c477358e66a3 (\"ARM: dts: am335x-bone:\nswitch to new cpsw switch drv\") in order to revert to the legacy cpsw\ndriver.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-02-14 17:15:55","updated_at":"2026-04-03 14:16:25"},"problem_types":[],"metrics":[{"version":"3.1","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","score":"7","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"7","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"baseScore":7,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"references":[{"url":"https://git.kernel.org/stable/c/0b8c878d117319f2be34c8391a77e0f4d5c94d79","name":"https://git.kernel.org/stable/c/0b8c878d117319f2be34c8391a77e0f4d5c94d79","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/488009aa62bb1217ea0624fd5108b79adef4e148","name":"https://git.kernel.org/stable/c/488009aa62bb1217ea0624fd5108b79adef4e148","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-23175","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-23175","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1767bb2d47b715a106287a8f963d9ec6cbab4e69 488009aa62bb1217ea0624fd5108b79adef4e148 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1767bb2d47b715a106287a8f963d9ec6cbab4e69 0b8c878d117319f2be34c8391a77e0f4d5c94d79 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.17","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.17 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.10 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.19 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"23175","cve":"CVE-2026-23175","epss":"0.000170000","percentile":"0.039470000","score_date":"2026-04-07","updated_at":"2026-04-08 00:03:39"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/ethernet/ti/cpsw.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"488009aa62bb1217ea0624fd5108b79adef4e148","status":"affected","version":"1767bb2d47b715a106287a8f963d9ec6cbab4e69","versionType":"git"},{"lessThan":"0b8c878d117319f2be34c8391a77e0f4d5c94d79","status":"affected","version":"1767bb2d47b715a106287a8f963d9ec6cbab4e69","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/ethernet/ti/cpsw.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.17"},{"lessThan":"6.17","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.10","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"6.19","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.10","versionStartIncluding":"6.17","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.19","versionStartIncluding":"6.17","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: cpsw: Execute ndo_set_rx_mode callback in a work queue\n\nCommit 1767bb2d47b7 (\"ipv6: mcast: Don't hold RTNL for\nIPV6_ADD_MEMBERSHIP and MCAST_JOIN_GROUP.\") removed the RTNL lock for\nIPV6_ADD_MEMBERSHIP and MCAST_JOIN_GROUP operations. However, this\nchange triggered the following call trace on my BeagleBone Black board:\n  WARNING: net/8021q/vlan_core.c:236 at vlan_for_each+0x120/0x124, CPU#0: rpcbind/481\n  RTNL: assertion failed at net/8021q/vlan_core.c (236)\n  Modules linked in:\n  CPU: 0 UID: 997 PID: 481 Comm: rpcbind Not tainted 6.19.0-rc7-next-20260130-yocto-standard+ #35 PREEMPT\n  Hardware name: Generic AM33XX (Flattened Device Tree)\n  Call trace:\n   unwind_backtrace from show_stack+0x28/0x2c\n   show_stack from dump_stack_lvl+0x30/0x38\n   dump_stack_lvl from __warn+0xb8/0x11c\n   __warn from warn_slowpath_fmt+0x130/0x194\n   warn_slowpath_fmt from vlan_for_each+0x120/0x124\n   vlan_for_each from cpsw_add_mc_addr+0x54/0x98\n   cpsw_add_mc_addr from __hw_addr_ref_sync_dev+0xc4/0xec\n   __hw_addr_ref_sync_dev from __dev_mc_add+0x78/0x88\n   __dev_mc_add from igmp6_group_added+0x84/0xec\n   igmp6_group_added from __ipv6_dev_mc_inc+0x1fc/0x2f0\n   __ipv6_dev_mc_inc from __ipv6_sock_mc_join+0x124/0x1b4\n   __ipv6_sock_mc_join from do_ipv6_setsockopt+0x84c/0x1168\n   do_ipv6_setsockopt from ipv6_setsockopt+0x88/0xc8\n   ipv6_setsockopt from do_sock_setsockopt+0xe8/0x19c\n   do_sock_setsockopt from __sys_setsockopt+0x84/0xac\n   __sys_setsockopt from ret_fast_syscall+0x0/0x54\n\nThis trace occurs because vlan_for_each() is called within\ncpsw_ndo_set_rx_mode(), which expects the RTNL lock to be held.\nSince modifying vlan_for_each() to operate without the RTNL lock is not\nstraightforward, and because ndo_set_rx_mode() is invoked both with and\nwithout the RTNL lock across different code paths, simply adding\nrtnl_lock() in cpsw_ndo_set_rx_mode() is not a viable solution.\n\nTo resolve this issue, we opt to execute the actual processing within\na work queue, following the approach used by the icssg-prueth driver.\n\nPlease note: To reproduce this issue, I manually reverted the changes to\nam335x-bone-common.dtsi from commit c477358e66a3 (\"ARM: dts: am335x-bone:\nswitch to new cpsw switch drv\") in order to revert to the legacy cpsw\ndriver."}],"metrics":[{"cvssV3_1":{"baseScore":7,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"providerMetadata":{"dateUpdated":"2026-04-03T13:32:12.340Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/488009aa62bb1217ea0624fd5108b79adef4e148"},{"url":"https://git.kernel.org/stable/c/0b8c878d117319f2be34c8391a77e0f4d5c94d79"}],"title":"net: cpsw: Execute ndo_set_rx_mode callback in a work queue","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-23175","datePublished":"2026-02-14T16:27:08.104Z","dateReserved":"2026-01-13T15:37:45.983Z","dateUpdated":"2026-04-03T13:32:12.340Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-02-14 17:15:55","lastModifiedDate":"2026-04-03 14:16:25","problem_types":[],"metrics":{"cvssMetricV31":[{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1,"impactScore":5.9}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"23175","Ordinal":"1","Title":"net: cpsw: Execute ndo_set_rx_mode callback in a work queue","CVE":"CVE-2026-23175","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"23175","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: cpsw: Execute ndo_set_rx_mode callback in a work queue\n\nCommit 1767bb2d47b7 (\"ipv6: mcast: Don't hold RTNL for\nIPV6_ADD_MEMBERSHIP and MCAST_JOIN_GROUP.\") removed the RTNL lock for\nIPV6_ADD_MEMBERSHIP and MCAST_JOIN_GROUP operations. However, this\nchange triggered the following call trace on my BeagleBone Black board:\n  WARNING: net/8021q/vlan_core.c:236 at vlan_for_each+0x120/0x124, CPU#0: rpcbind/481\n  RTNL: assertion failed at net/8021q/vlan_core.c (236)\n  Modules linked in:\n  CPU: 0 UID: 997 PID: 481 Comm: rpcbind Not tainted 6.19.0-rc7-next-20260130-yocto-standard+ #35 PREEMPT\n  Hardware name: Generic AM33XX (Flattened Device Tree)\n  Call trace:\n   unwind_backtrace from show_stack+0x28/0x2c\n   show_stack from dump_stack_lvl+0x30/0x38\n   dump_stack_lvl from __warn+0xb8/0x11c\n   __warn from warn_slowpath_fmt+0x130/0x194\n   warn_slowpath_fmt from vlan_for_each+0x120/0x124\n   vlan_for_each from cpsw_add_mc_addr+0x54/0x98\n   cpsw_add_mc_addr from __hw_addr_ref_sync_dev+0xc4/0xec\n   __hw_addr_ref_sync_dev from __dev_mc_add+0x78/0x88\n   __dev_mc_add from igmp6_group_added+0x84/0xec\n   igmp6_group_added from __ipv6_dev_mc_inc+0x1fc/0x2f0\n   __ipv6_dev_mc_inc from __ipv6_sock_mc_join+0x124/0x1b4\n   __ipv6_sock_mc_join from do_ipv6_setsockopt+0x84c/0x1168\n   do_ipv6_setsockopt from ipv6_setsockopt+0x88/0xc8\n   ipv6_setsockopt from do_sock_setsockopt+0xe8/0x19c\n   do_sock_setsockopt from __sys_setsockopt+0x84/0xac\n   __sys_setsockopt from ret_fast_syscall+0x0/0x54\n\nThis trace occurs because vlan_for_each() is called within\ncpsw_ndo_set_rx_mode(), which expects the RTNL lock to be held.\nSince modifying vlan_for_each() to operate without the RTNL lock is not\nstraightforward, and because ndo_set_rx_mode() is invoked both with and\nwithout the RTNL lock across different code paths, simply adding\nrtnl_lock() in cpsw_ndo_set_rx_mode() is not a viable solution.\n\nTo resolve this issue, we opt to execute the actual processing within\na work queue, following the approach used by the icssg-prueth driver.\n\nPlease note: To reproduce this issue, I manually reverted the changes to\nam335x-bone-common.dtsi from commit c477358e66a3 (\"ARM: dts: am335x-bone:\nswitch to new cpsw switch drv\") in order to revert to the legacy cpsw\ndriver.","Type":"Description","Title":"net: cpsw: Execute ndo_set_rx_mode callback in a work queue"}]}}}