{ "containers": { "cna": { "providerMetadata": { "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nSUNRPC: Fix a suspicious RCU usage warning\n\nI received the following warning while running cthon against an ontap\nserver running pNFS:\n\n[ 57.202521] =============================\n[ 57.202522] WARNING: suspicious RCU usage\n[ 57.202523] 6.7.0-rc3-g2cc14f52aeb7 #41492 Not tainted\n[ 57.202525] -----------------------------\n[ 57.202525] net/sunrpc/xprtmultipath.c:349 RCU-list traversed in non-reader section!!\n[ 57.202527]\n other info that might help us debug this:\n\n[ 57.202528]\n rcu_scheduler_active = 2, debug_locks = 1\n[ 57.202529] no locks held by test5/3567.\n[ 57.202530]\n stack backtrace:\n[ 57.202532] CPU: 0 PID: 3567 Comm: test5 Not tainted 6.7.0-rc3-g2cc14f52aeb7 #41492 5b09971b4965c0aceba19f3eea324a4a806e227e\n[ 57.202534] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS unknown 2/2/2022\n[ 57.202536] Call Trace:\n[ 57.202537] \n[ 57.202540] dump_stack_lvl+0x77/0xb0\n[ 57.202551] lockdep_rcu_suspicious+0x154/0x1a0\n[ 57.202556] rpc_xprt_switch_has_addr+0x17c/0x190 [sunrpc ebe02571b9a8ceebf7d98e71675af20c19bdb1f6]\n[ 57.202596] rpc_clnt_setup_test_and_add_xprt+0x50/0x180 [sunrpc ebe02571b9a8ceebf7d98e71675af20c19bdb1f6]\n[ 57.202621] ? rpc_clnt_add_xprt+0x254/0x300 [sunrpc ebe02571b9a8ceebf7d98e71675af20c19bdb1f6]\n[ 57.202646] rpc_clnt_add_xprt+0x27a/0x300 [sunrpc ebe02571b9a8ceebf7d98e71675af20c19bdb1f6]\n[ 57.202671] ? __pfx_rpc_clnt_setup_test_and_add_xprt+0x10/0x10 [sunrpc ebe02571b9a8ceebf7d98e71675af20c19bdb1f6]\n[ 57.202696] nfs4_pnfs_ds_connect+0x345/0x760 [nfsv4 c716d88496ded0ea6d289bbea684fa996f9b57a9]\n[ 57.202728] ? __pfx_nfs4_test_session_trunk+0x10/0x10 [nfsv4 c716d88496ded0ea6d289bbea684fa996f9b57a9]\n[ 57.202754] nfs4_fl_prepare_ds+0x75/0xc0 [nfs_layout_nfsv41_files e3a4187f18ae8a27b630f9feae6831b584a9360a]\n[ 57.202760] filelayout_write_pagelist+0x4a/0x200 [nfs_layout_nfsv41_files e3a4187f18ae8a27b630f9feae6831b584a9360a]\n[ 57.202765] pnfs_generic_pg_writepages+0xbe/0x230 [nfsv4 c716d88496ded0ea6d289bbea684fa996f9b57a9]\n[ 57.202788] __nfs_pageio_add_request+0x3fd/0x520 [nfs 6c976fa593a7c2976f5a0aeb4965514a828e6902]\n[ 57.202813] nfs_pageio_add_request+0x18b/0x390 [nfs 6c976fa593a7c2976f5a0aeb4965514a828e6902]\n[ 57.202831] nfs_do_writepage+0x116/0x1e0 [nfs 6c976fa593a7c2976f5a0aeb4965514a828e6902]\n[ 57.202849] nfs_writepages_callback+0x13/0x30 [nfs 6c976fa593a7c2976f5a0aeb4965514a828e6902]\n[ 57.202866] write_cache_pages+0x265/0x450\n[ 57.202870] ? __pfx_nfs_writepages_callback+0x10/0x10 [nfs 6c976fa593a7c2976f5a0aeb4965514a828e6902]\n[ 57.202891] nfs_writepages+0x141/0x230 [nfs 6c976fa593a7c2976f5a0aeb4965514a828e6902]\n[ 57.202913] do_writepages+0xd2/0x230\n[ 57.202917] ? filemap_fdatawrite_wbc+0x5c/0x80\n[ 57.202921] filemap_fdatawrite_wbc+0x67/0x80\n[ 57.202924] filemap_write_and_wait_range+0xd9/0x170\n[ 57.202930] nfs_wb_all+0x49/0x180 [nfs 6c976fa593a7c2976f5a0aeb4965514a828e6902]\n[ 57.202947] nfs4_file_flush+0x72/0xb0 [nfsv4 c716d88496ded0ea6d289bbea684fa996f9b57a9]\n[ 57.202969] __se_sys_close+0x46/0xd0\n[ 57.202972] do_syscall_64+0x68/0x100\n[ 57.202975] ? do_syscall_64+0x77/0x100\n[ 57.202976] ? do_syscall_64+0x77/0x100\n[ 57.202979] entry_SYSCALL_64_after_hwframe+0x6e/0x76\n[ 57.202982] RIP: 0033:0x7fe2b12e4a94\n[ 57.202985] Code: 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 80 3d d5 18 0e 00 00 74 13 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 44 c3 0f 1f 00 48 83 ec 18 89 7c 24 0c e8 c3\n[ 57.202987] RSP: 002b:00007ffe857ddb38 EFLAGS: 00000202 ORIG_RAX: 0000000000000003\n[ 57.202989] RAX: ffffffffffffffda RBX: 00007ffe857dfd68 RCX: 00007fe2b12e4a94\n[ 57.202991] RDX: 0000000000002000 RSI: 00007ffe857ddc40 RDI: 0000000000000003\n[ 57.202992] RBP: 00007ffe857dfc50 R08: 7fffffffffffffff R09: 0000000065650f49\n[ 57.202993] R10: 00007f\n---truncated---" } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "net/sunrpc/xprtmultipath.c" ], "versions": [ { "version": "1da177e4c3f4", "lessThan": "fece80a2a671", "status": "affected", "versionType": "git" }, { "version": "1da177e4c3f4", "lessThan": "7a96d85bf196", "status": "affected", "versionType": "git" }, { "version": "1da177e4c3f4", "lessThan": "c430e6bb4395", "status": "affected", "versionType": "git" }, { "version": "1da177e4c3f4", "lessThan": "f8cf4dabbdcb", "status": "affected", "versionType": "git" }, { "version": "1da177e4c3f4", "lessThan": "e8ca3e73301e", "status": "affected", "versionType": "git" }, { "version": "1da177e4c3f4", "lessThan": "69c7eeb4f622", "status": "affected", "versionType": "git" }, { "version": "1da177e4c3f4", "lessThan": "8f860c840747", "status": "affected", "versionType": "git" }, { "version": "1da177e4c3f4", "lessThan": "31b62908693c", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "net/sunrpc/xprtmultipath.c" ], "versions": [ { "version": "4.19.307", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.4.269", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.10.210", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.15.149", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.1.77", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.6.16", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.7.4", "lessThanOrEqual": "6.7.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.8", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/fece80a2a6718ed58487ce397285bb1b83a3e54e" }, { "url": "https://git.kernel.org/stable/c/7a96d85bf196c170dcf1b47a82e9bb97cca69aa6" }, { "url": "https://git.kernel.org/stable/c/c430e6bb43955c6bf573665fcebf31694925b9f7" }, { "url": "https://git.kernel.org/stable/c/f8cf4dabbdcb8bef85335b0ed7ad5b25fd82ff56" }, { "url": "https://git.kernel.org/stable/c/e8ca3e73301e23e8c0ac0ce2e6bac4545cd776e0" }, { "url": "https://git.kernel.org/stable/c/69c7eeb4f622c2a28da965f970f982db171f3dc6" }, { "url": "https://git.kernel.org/stable/c/8f860c8407470baff2beb9982ad6b172c94f1d0a" }, { "url": "https://git.kernel.org/stable/c/31b62908693c90d4d07db597e685d9f25a120073" } ], "title": "SUNRPC: Fix a suspicious RCU usage warning", "x_generator": { "engine": "bippy-a5840b7849dd" } } }, "cveMetadata": { "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", "cveID": "CVE-2023-52623", "requesterUserId": "gregkh@kernel.org", "serial": "1", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.0" }