{ "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-2024-47692", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2024-47692", "idYear": 2024, "status": "PUBLISHED", "publishedAt": "2024-10-21T11:53:31.238Z", "updatedAt": "2026-10-15T00:51:26.212Z", "importedAt": "2026-10-24T01:57:16.009Z", "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": "nfsd: return -EINVAL when namelen is 0", "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nnfsd: return -EINVAL when namelen is 0\n\nWhen we have a corrupted main.sqlite in /var/lib/nfs/nfsdcld/, it may\nresult in namelen being 0, which will cause memdup_user() to return\nZERO_SIZE_PTR.\nWhen we access the name.data that has been assigned the value of\nZERO_SIZE_PTR in nfs4_client_to_reclaim(), null pointer dereference is\ntriggered.\n\n[ T1205] ==================================================================\n[ T1205] BUG: KASAN: null-ptr-deref in nfs4_client_to_reclaim+0xe9/0x260\n[ T1205] Read of size 1 at addr 0000000000000010 by task nfsdcld/1205\n[ T1205]\n[ T1205] CPU: 11 PID: 1205 Comm: nfsdcld Not tainted 5.10.0-00003-g2c1423731b8d #406\n[ T1205] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS ?-20190727_073836-buildvm-ppc64le-16.ppc.fedoraproject.org-3.fc31 04/01/2014\n[ T1205] Call Trace:\n[ T1205] dump_stack+0x9a/0xd0\n[ T1205] ? nfs4_client_to_reclaim+0xe9/0x260\n[ T1205] __kasan_report.cold+0x34/0x84\n[ T1205] ? nfs4_client_to_reclaim+0xe9/0x260\n[ T1205] kasan_report+0x3a/0x50\n[ T1205] nfs4_client_to_reclaim+0xe9/0x260\n[ T1205] ? nfsd4_release_lockowner+0x410/0x410\n[ T1205] cld_pipe_downcall+0x5ca/0x760\n[ T1205] ? nfsd4_cld_tracking_exit+0x1d0/0x1d0\n[ T1205] ? down_write_killable_nested+0x170/0x170\n[ T1205] ? avc_policy_seqno+0x28/0x40\n[ T1205] ? selinux_file_permission+0x1b4/0x1e0\n[ T1205] rpc_pipe_write+0x84/0xb0\n[ T1205] vfs_write+0x143/0x520\n[ T1205] ksys_write+0xc9/0x170\n[ T1205] ? __ia32_sys_read+0x50/0x50\n[ T1205] ? ktime_get_coarse_real_ts64+0xfe/0x110\n[ T1205] ? ktime_get_coarse_real_ts64+0xa2/0x110\n[ T1205] do_syscall_64+0x33/0x40\n[ T1205] entry_SYSCALL_64_after_hwframe+0x67/0xd1\n[ T1205] RIP: 0033:0x7fdbdb761bc7\n[ T1205] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 514\n[ T1205] RSP: 002b:00007fff8c4b7248 EFLAGS: 00000246 ORIG_RAX: 0000000000000001\n[ T1205] RAX: ffffffffffffffda RBX: 000000000000042b RCX: 00007fdbdb761bc7\n[ T1205] RDX: 000000000000042b RSI: 00007fff8c4b75f0 RDI: 0000000000000008\n[ T1205] RBP: 00007fdbdb761bb0 R08: 0000000000000000 R09: 0000000000000001\n[ T1205] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000042b\n[ T1205] R13: 0000000000000008 R14: 00007fff8c4b75f0 R15: 0000000000000000\n[ T1205] ==================================================================\n\nFix it by checking namelen.", "affected": [ { "vendor": "Linux", "product": "Linux", "defaultStatus": "unaffected", "versions": [ { "version": "74725959c33c14114fdce1e36e3504d106584d53", "status": "affected", "versionType": "git", "lessThan": "6d07040ae5c2214e39c7444d898039c9e655a79a" }, { "version": "74725959c33c14114fdce1e36e3504d106584d53", "status": "affected", "versionType": "git", "lessThan": "0f1d007bbea38a61cf9c5392708dc70ae9d84a3d" }, { "version": "74725959c33c14114fdce1e36e3504d106584d53", "status": "affected", "versionType": "git", "lessThan": "b7b7a8df41ef18862dd6b22289fb46c2c12398af" }, { "version": "74725959c33c14114fdce1e36e3504d106584d53", "status": "affected", "versionType": "git", "lessThan": "84a563d136faf514fdad1ade28d7a142fd313cb8" }, { "version": "74725959c33c14114fdce1e36e3504d106584d53", "status": "affected", "versionType": "git", "lessThan": "318f70857caab3da9a6ada9bc8c1f4f7591b695e" }, { "version": "74725959c33c14114fdce1e36e3504d106584d53", "status": "affected", "versionType": "git", "lessThan": "766d5fbd78f7a52b3888449a0358760477b74602" }, { "version": "74725959c33c14114fdce1e36e3504d106584d53", "status": "affected", "versionType": "git", "lessThan": "1ff8be8d008b9ddc8e7043fbddd37d5d451b271b" }, { "version": "74725959c33c14114fdce1e36e3504d106584d53", "status": "affected", "versionType": "git", "lessThan": "22451a16b7ab7debefce660672566be887db1637" } ] }, { "vendor": "Linux", "product": "Linux", "defaultStatus": "affected", "versions": [ { "version": "5.2", "status": "affected" }, { "version": "0", "status": "unaffected", "versionType": "semver", "lessThan": "5.2" }, { "version": "5.4.285", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.4.*" }, { "version": "5.10.227", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.10.*" }, { "version": "5.15.168", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.15.*" }, { "version": "6.1.113", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.1.*" }, { "version": "6.6.54", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.6.*" }, { "version": "6.10.13", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.10.*" }, { "version": "6.11.2", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.11.*" }, { "version": "6.12", "status": "unaffected", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*" } ] } ] } } }