{ "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-2024-41065", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2024-41065", "idYear": 2024, "status": "PUBLISHED", "publishedAt": "2024-07-29T14:57:27.011Z", "updatedAt": "2026-05-11T20:25:31.468Z", "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": "powerpc/pseries: Whitelist dtl slub object for copying to userspace", "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\npowerpc/pseries: Whitelist dtl slub object for copying to userspace\n\nReading the dispatch trace log from /sys/kernel/debug/powerpc/dtl/cpu-*\nresults in a BUG() when the config CONFIG_HARDENED_USERCOPY is enabled as\nshown below.\n\n kernel BUG at mm/usercopy.c:102!\n Oops: Exception in kernel mode, sig: 5 [#1]\n LE PAGE_SIZE=64K MMU=Radix SMP NR_CPUS=2048 NUMA pSeries\n Modules linked in: xfs libcrc32c dm_service_time sd_mod t10_pi sg ibmvfc\n scsi_transport_fc ibmveth pseries_wdt dm_multipath dm_mirror dm_region_hash dm_log dm_mod fuse\n CPU: 27 PID: 1815 Comm: python3 Not tainted 6.10.0-rc3 #85\n Hardware name: IBM,9040-MRX POWER10 (raw) 0x800200 0xf000006 of:IBM,FW1060.00 (NM1060_042) hv:phyp pSeries\n NIP: c0000000005d23d4 LR: c0000000005d23d0 CTR: 00000000006ee6f8\n REGS: c000000120c078c0 TRAP: 0700 Not tainted (6.10.0-rc3)\n MSR: 8000000000029033 CR: 2828220f XER: 0000000e\n CFAR: c0000000001fdc80 IRQMASK: 0\n [ ... GPRs omitted ... ]\n NIP [c0000000005d23d4] usercopy_abort+0x78/0xb0\n LR [c0000000005d23d0] usercopy_abort+0x74/0xb0\n Call Trace:\n usercopy_abort+0x74/0xb0 (unreliable)\n __check_heap_object+0xf8/0x120\n check_heap_object+0x218/0x240\n __check_object_size+0x84/0x1a4\n dtl_file_read+0x17c/0x2c4\n full_proxy_read+0x8c/0x110\n vfs_read+0xdc/0x3a0\n ksys_read+0x84/0x144\n system_call_exception+0x124/0x330\n system_call_vectored_common+0x15c/0x2ec\n --- interrupt: 3000 at 0x7fff81f3ab34\n\nCommit 6d07d1cd300f (\"usercopy: Restrict non-usercopy caches to size 0\")\nrequires that only whitelisted areas in slab/slub objects can be copied to\nuserspace when usercopy hardening is enabled using CONFIG_HARDENED_USERCOPY.\nDtl contains hypervisor dispatch events which are expected to be read by\nprivileged users. Hence mark this safe for user access.\nSpecify useroffset=0 and usersize=DISPATCH_LOG_BYTES to whitelist the\nentire object.", "affected": [ { "vendor": "Linux", "product": "Linux", "defaultStatus": "unaffected", "versions": [ { "version": "af442a1baa6d00117cc7e7377ce7e6a545268684", "status": "affected", "versionType": "git", "lessThan": "a7b952941ce07e1e7a2cafd08c64a98e14f553e6" }, { "version": "af442a1baa6d00117cc7e7377ce7e6a545268684", "status": "affected", "versionType": "git", "lessThan": "6b16098148ea58a67430d90e20476be2377c3acd" }, { "version": "af442a1baa6d00117cc7e7377ce7e6a545268684", "status": "affected", "versionType": "git", "lessThan": "e59822f9d700349cd17968d22c979db23a2d347f" }, { "version": "af442a1baa6d00117cc7e7377ce7e6a545268684", "status": "affected", "versionType": "git", "lessThan": "1ee68686d1e2a5da35d5650be0be1ce06fe2ceb2" }, { "version": "af442a1baa6d00117cc7e7377ce7e6a545268684", "status": "affected", "versionType": "git", "lessThan": "e512a59b472684d8585125101ab03b86c2c1348a" }, { "version": "af442a1baa6d00117cc7e7377ce7e6a545268684", "status": "affected", "versionType": "git", "lessThan": "0f5892212c27be31792ef1daa89c8dac1b3047e4" }, { "version": "af442a1baa6d00117cc7e7377ce7e6a545268684", "status": "affected", "versionType": "git", "lessThan": "1a14150e1656f7a332a943154fc486504db4d586" } ] }, { "vendor": "Linux", "product": "Linux", "defaultStatus": "affected", "versions": [ { "version": "3.0", "status": "affected" }, { "version": "0", "status": "unaffected", "versionType": "semver", "lessThan": "3.0" }, { "version": "5.4.281", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.4.*" }, { "version": "5.10.223", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.10.*" }, { "version": "5.15.164", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.15.*" }, { "version": "6.1.101", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.1.*" }, { "version": "6.6.42", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.6.*" }, { "version": "6.9.11", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.9.*" }, { "version": "6.10", "status": "unaffected", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*" } ] } ] } } }