{ "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-2022-50296", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-50296", "idYear": 2022, "status": "PUBLISHED", "publishedAt": "2025-09-15T14:45:52.121Z", "updatedAt": "2026-05-11T19:16:34.259Z", "importedAt": "2026-10-24T01:56:49.724Z", "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": "UM: cpuinfo: Fix a warning for CONFIG_CPUMASK_OFFSTACK", "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nUM: cpuinfo: Fix a warning for CONFIG_CPUMASK_OFFSTACK\n\nWhen CONFIG_CPUMASK_OFFSTACK and CONFIG_DEBUG_PER_CPU_MAPS is selected,\ncpu_max_bits_warn() generates a runtime warning similar as below while\nwe show /proc/cpuinfo. Fix this by using nr_cpu_ids (the runtime limit)\ninstead of NR_CPUS to iterate CPUs.\n\n[ 3.052463] ------------[ cut here ]------------\n[ 3.059679] WARNING: CPU: 3 PID: 1 at include/linux/cpumask.h:108 show_cpuinfo+0x5e8/0x5f0\n[ 3.070072] Modules linked in: efivarfs autofs4\n[ 3.076257] CPU: 0 PID: 1 Comm: systemd Not tainted 5.19-rc5+ #1052\n[ 3.099465] Stack : 9000000100157b08 9000000000f18530 9000000000cf846c 9000000100154000\n[ 3.109127] 9000000100157a50 0000000000000000 9000000100157a58 9000000000ef7430\n[ 3.118774] 90000001001578e8 0000000000000040 0000000000000020 ffffffffffffffff\n[ 3.128412] 0000000000aaaaaa 1ab25f00eec96a37 900000010021de80 900000000101c890\n[ 3.138056] 0000000000000000 0000000000000000 0000000000000000 0000000000aaaaaa\n[ 3.147711] ffff8000339dc220 0000000000000001 0000000006ab4000 0000000000000000\n[ 3.157364] 900000000101c998 0000000000000004 9000000000ef7430 0000000000000000\n[ 3.167012] 0000000000000009 000000000000006c 0000000000000000 0000000000000000\n[ 3.176641] 9000000000d3de08 9000000001639390 90000000002086d8 00007ffff0080286\n[ 3.186260] 00000000000000b0 0000000000000004 0000000000000000 0000000000071c1c\n[ 3.195868] ...\n[ 3.199917] Call Trace:\n[ 3.203941] [<90000000002086d8>] show_stack+0x38/0x14c\n[ 3.210666] [<9000000000cf846c>] dump_stack_lvl+0x60/0x88\n[ 3.217625] [<900000000023d268>] __warn+0xd0/0x100\n[ 3.223958] [<9000000000cf3c90>] warn_slowpath_fmt+0x7c/0xcc\n[ 3.231150] [<9000000000210220>] show_cpuinfo+0x5e8/0x5f0\n[ 3.238080] [<90000000004f578c>] seq_read_iter+0x354/0x4b4\n[ 3.245098] [<90000000004c2e90>] new_sync_read+0x17c/0x1c4\n[ 3.252114] [<90000000004c5174>] vfs_read+0x138/0x1d0\n[ 3.258694] [<90000000004c55f8>] ksys_read+0x70/0x100\n[ 3.265265] [<9000000000cfde9c>] do_syscall+0x7c/0x94\n[ 3.271820] [<9000000000202fe4>] handle_syscall+0xc4/0x160\n[ 3.281824] ---[ end trace 8b484262b4b8c24c ]---", "affected": [ { "vendor": "Linux", "product": "Linux", "defaultStatus": "unaffected", "versions": [ { "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "status": "affected", "versionType": "git", "lessThan": "8f96aa67c2ccbd7e41b8dc992b8d13cfe206d571" }, { "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "status": "affected", "versionType": "git", "lessThan": "dbd964a733db015bbb9dff592c259c736398140f" }, { "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "status": "affected", "versionType": "git", "lessThan": "844748412be03a236dcf4a208b588162a275e189" }, { "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "status": "affected", "versionType": "git", "lessThan": "cd251d39b13485eb94ee65bb000d024e02c00e45" }, { "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "status": "affected", "versionType": "git", "lessThan": "6a73e6edcbf3cdd82796dcdf0c0f5fe5d91021af" }, { "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "status": "affected", "versionType": "git", "lessThan": "7efe61dc6aa45aab8a40e304fa2dae21e33b0db4" }, { "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "status": "affected", "versionType": "git", "lessThan": "5177bdc38eaa1c1ca6302214ab06913540cd00a2" }, { "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "status": "affected", "versionType": "git", "lessThan": "2e3863cc02c156b51b50592d43ffa6a13b680b0d" }, { "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "status": "affected", "versionType": "git", "lessThan": "16c546e148fa6d14a019431436a6f7b4087dbccd" } ] }, { "vendor": "Linux", "product": "Linux", "defaultStatus": "affected", "versions": [ { "version": "2.6.12", "status": "affected" }, { "version": "0", "status": "unaffected", "versionType": "semver", "lessThan": "2.6.12" }, { "version": "4.9.331", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "4.9.*" }, { "version": "4.14.296", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "4.14.*" }, { "version": "4.19.262", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "4.19.*" }, { "version": "5.4.220", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.4.*" }, { "version": "5.10.150", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.10.*" }, { "version": "5.15.75", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.15.*" }, { "version": "5.19.17", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.19.*" }, { "version": "6.0.3", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.0.*" }, { "version": "6.1", "status": "unaffected", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*" } ] } ] } } }