{
"schemaVersion": 1,
"attribution": [
{
"source": "CISA Known Exploited Vulnerabilities",
"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
"licence": "US government work"
},
{
"source": "GitHub Advisory Database",
"url": "https://github.com/advisories",
"licence": "CC BY 4.0"
},
{
"source": "Have I Been Pwned",
"url": "https://haveibeenpwned.com/",
"licence": "CC BY 4.0"
},
{
"source": "CVE Program (CVE records)",
"url": "https://www.cve.org/Legal/TermsOfUse",
"licence": "CVE Terms of Use",
"notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
"terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
},
{
"source": "FIRST EPSS",
"url": "https://www.first.org/epss/",
"licence": "free to use; FIRST requests attribution"
}
],
"record": {
"id": "CVE-2025-38400",
"sourceURL": "https://www.cve.org/CVERecord?id=CVE-2025-38400",
"idYear": 2025,
"status": "PUBLISHED",
"publishedAt": "2025-07-25T12:53:44.038Z",
"updatedAt": "2026-10-15T01:07:13.007Z",
"importedAt": "2026-10-24T01:57:34.152Z",
"snapshot": {
"id": "cve_2026-10-24_midnight_baseline",
"at": "2026-10-24T00:00:00.000Z",
"source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
},
"facts": {
"title": "nfs: Clean up /proc/net/rpc/nfs when nfs_fs_proc_net_init() fails.",
"summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nnfs: Clean up /proc/net/rpc/nfs when nfs_fs_proc_net_init() fails.\n\nsyzbot reported a warning below [1] following a fault injection in\nnfs_fs_proc_net_init(). [0]\n\nWhen nfs_fs_proc_net_init() fails, /proc/net/rpc/nfs is not removed.\n\nLater, rpc_proc_exit() tries to remove /proc/net/rpc, and the warning\nis logged as the directory is not empty.\n\nLet's handle the error of nfs_fs_proc_net_init() properly.\n\n[0]:\nFAULT_INJECTION: forcing a failure.\nname failslab, interval 1, probability 0, space 0, times 0\nCPU: 1 UID: 0 PID: 6120 Comm: syz.2.27 Not tainted 6.16.0-rc1-syzkaller-00010-g2c4a1f3fe03e #0 PREEMPT(full)\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025\nCall Trace:\n \n dump_stack_lvl (lib/dump_stack.c:123)\n should_fail_ex (lib/fault-inject.c:73 lib/fault-inject.c:174)\n should_failslab (mm/failslab.c:46)\n kmem_cache_alloc_noprof (mm/slub.c:4178 mm/slub.c:4204)\n __proc_create (fs/proc/generic.c:427)\n proc_create_reg (fs/proc/generic.c:554)\n proc_create_net_data (fs/proc/proc_net.c:120)\n nfs_fs_proc_net_init (fs/nfs/client.c:1409)\n nfs_net_init (fs/nfs/inode.c:2600)\n ops_init (net/core/net_namespace.c:138)\n setup_net (net/core/net_namespace.c:443)\n copy_net_ns (net/core/net_namespace.c:576)\n create_new_namespaces (kernel/nsproxy.c:110)\n unshare_nsproxy_namespaces (kernel/nsproxy.c:218 (discriminator 4))\n ksys_unshare (kernel/fork.c:3123)\n __x64_sys_unshare (kernel/fork.c:3190)\n do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)\n entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)\n \n\n[1]:\nremove_proc_entry: removing non-empty directory 'net/rpc', leaking at least 'nfs'\n WARNING: CPU: 1 PID: 6120 at fs/proc/generic.c:727 remove_proc_entry+0x45e/0x530 fs/proc/generic.c:727\nModules linked in:\nCPU: 1 UID: 0 PID: 6120 Comm: syz.2.27 Not tainted 6.16.0-rc1-syzkaller-00010-g2c4a1f3fe03e #0 PREEMPT(full)\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025\n RIP: 0010:remove_proc_entry+0x45e/0x530 fs/proc/generic.c:727\nCode: 3c 02 00 0f 85 85 00 00 00 48 8b 93 d8 00 00 00 4d 89 f0 4c 89 e9 48 c7 c6 40 ba a2 8b 48 c7 c7 60 b9 a2 8b e8 33 81 1d ff 90 <0f> 0b 90 90 e9 5f fe ff ff e8 04 69 5e ff 90 48 b8 00 00 00 00 00\nRSP: 0018:ffffc90003637b08 EFLAGS: 00010282\nRAX: 0000000000000000 RBX: ffff88805f534140 RCX: ffffffff817a92c8\nRDX: ffff88807da99e00 RSI: ffffffff817a92d5 RDI: 0000000000000001\nRBP: ffff888033431ac0 R08: 0000000000000001 R09: 0000000000000000\nR10: 0000000000000001 R11: 0000000000000001 R12: ffff888033431a00\nR13: ffff888033431ae4 R14: ffff888033184724 R15: dffffc0000000000\nFS: 0000555580328500(0000) GS:ffff888124a62000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007f71733743e0 CR3: 000000007f618000 CR4: 00000000003526f0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n \n sunrpc_exit_net+0x46/0x90 net/sunrpc/sunrpc_syms.c:76\n ops_exit_list net/core/net_namespace.c:200 [inline]\n ops_undo_list+0x2eb/0xab0 net/core/net_namespace.c:253\n setup_net+0x2e1/0x510 net/core/net_namespace.c:457\n copy_net_ns+0x2a6/0x5f0 net/core/net_namespace.c:574\n create_new_namespaces+0x3ea/0xa90 kernel/nsproxy.c:110\n unshare_nsproxy_namespaces+0xc0/0x1f0 kernel/nsproxy.c:218\n ksys_unshare+0x45b/0xa40 kernel/fork.c:3121\n __do_sys_unshare kernel/fork.c:3192 [inline]\n __se_sys_unshare kernel/fork.c:3190 [inline]\n __x64_sys_unshare+0x31/0x40 kernel/fork.c:3190\n do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]\n do_syscall_64+0xcd/0x490 arch/x86/entry/syscall_64.c:94\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\nRIP: 0033:0x7fa1a6b8e929\nCode: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c\n---truncated---",
"affected": [
{
"vendor": "Linux",
"product": "Linux",
"defaultStatus": "unaffected",
"versions": [
{
"version": "31dd0cda5aa0547de447aaf184812f85ccc34044",
"status": "affected",
"versionType": "git",
"lessThan": "8785701fd7cd52ae74c0d2b35b82568df74e9dbb"
},
{
"version": "6eef21eb7a165601882dad0419a630e32d2d7a2c",
"status": "affected",
"versionType": "git",
"lessThan": "412534a1fb76958b88dca48360c6f3ad4f3390f4"
},
{
"version": "0bbd429260821dfb81478749837d3e6377949ac6",
"status": "affected",
"versionType": "git",
"lessThan": "b92397ce96743e4cc090207e2df2a856cb4cef08"
},
{
"version": "9dd86e9d34b1078dcd647220e96a205028bf4e6f",
"status": "affected",
"versionType": "git",
"lessThan": "7701c245ff1ac1a126bf431e72b24547519046ff"
},
{
"version": "53a0365c9f9f66e1a981bf9188d8716d682e0739",
"status": "affected",
"versionType": "git",
"lessThan": "d0877c479f44fe475f4c8c02c88ce9ad43e90298"
},
{
"version": "d47151b79e3220e72ae323b8b8e9d6da20dc884e",
"status": "affected",
"versionType": "git",
"lessThan": "3c94212b57bedec3a386ef3da1ef00602f5c3d1d"
},
{
"version": "d47151b79e3220e72ae323b8b8e9d6da20dc884e",
"status": "affected",
"versionType": "git",
"lessThan": "6acf340f8c1d296bcf535986175f5d0d6f2aab09"
},
{
"version": "d47151b79e3220e72ae323b8b8e9d6da20dc884e",
"status": "affected",
"versionType": "git",
"lessThan": "e8d6f3ab59468e230f3253efe5cb63efa35289f7"
},
{
"version": "e05194baae299f2148ab5f6bab659c6ce8d1f6d3",
"status": "affected",
"versionType": "git"
},
{
"version": "5.4.276",
"status": "affected",
"versionType": "semver",
"lessThan": "5.4.296"
},
{
"version": "5.10.217",
"status": "affected",
"versionType": "semver",
"lessThan": "5.10.240"
},
{
"version": "5.15.159",
"status": "affected",
"versionType": "semver",
"lessThan": "5.15.187"
},
{
"version": "6.1.91",
"status": "affected",
"versionType": "semver",
"lessThan": "6.1.144"
},
{
"version": "6.6.31",
"status": "affected",
"versionType": "semver",
"lessThan": "6.6.97"
},
{
"version": "6.8.10",
"status": "affected",
"versionType": "semver",
"lessThan": "6.9"
}
]
},
{
"vendor": "Linux",
"product": "Linux",
"defaultStatus": "affected",
"versions": [
{
"version": "6.9",
"status": "affected"
},
{
"version": "0",
"status": "unaffected",
"versionType": "semver",
"lessThan": "6.9"
},
{
"version": "5.4.296",
"status": "unaffected",
"versionType": "semver",
"lessThanOrEqual": "5.4.*"
},
{
"version": "5.10.240",
"status": "unaffected",
"versionType": "semver",
"lessThanOrEqual": "5.10.*"
},
{
"version": "5.15.187",
"status": "unaffected",
"versionType": "semver",
"lessThanOrEqual": "5.15.*"
},
{
"version": "6.1.144",
"status": "unaffected",
"versionType": "semver",
"lessThanOrEqual": "6.1.*"
},
{
"version": "6.6.97",
"status": "unaffected",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"version": "6.12.37",
"status": "unaffected",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"version": "6.15.6",
"status": "unaffected",
"versionType": "semver",
"lessThanOrEqual": "6.15.*"
},
{
"version": "6.16",
"status": "unaffected",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
]
}
]
}
}
}