{ "dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": { "cveId": "CVE-2024-41065", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-07-12T12:17:45.628Z", "datePublished": "2024-07-29T14:57:27.011Z", "dateUpdated": "2024-09-11T17:32:58.163Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-07-29T14:57:27.011Z" }, "descriptions": [ { "lang": "en", "value": "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": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "arch/powerpc/platforms/pseries/setup.c" ], "versions": [ { "version": "1da177e4c3f4", "lessThan": "a7b952941ce0", "status": "affected", "versionType": "git" }, { "version": "1da177e4c3f4", "lessThan": "6b16098148ea", "status": "affected", "versionType": "git" }, { "version": "1da177e4c3f4", "lessThan": "e59822f9d700", "status": "affected", "versionType": "git" }, { "version": "1da177e4c3f4", "lessThan": "1ee68686d1e2", "status": "affected", "versionType": "git" }, { "version": "1da177e4c3f4", "lessThan": "e512a59b4726", "status": "affected", "versionType": "git" }, { "version": "1da177e4c3f4", "lessThan": "0f5892212c27", "status": "affected", "versionType": "git" }, { "version": "1da177e4c3f4", "lessThan": "1a14150e1656", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "arch/powerpc/platforms/pseries/setup.c" ], "versions": [ { "version": "5.4.281", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.10.223", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.15.164", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.1.101", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.6.42", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.9.11", "lessThanOrEqual": "6.9.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.10", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/a7b952941ce07e1e7a2cafd08c64a98e14f553e6" }, { "url": "https://git.kernel.org/stable/c/6b16098148ea58a67430d90e20476be2377c3acd" }, { "url": "https://git.kernel.org/stable/c/e59822f9d700349cd17968d22c979db23a2d347f" }, { "url": "https://git.kernel.org/stable/c/1ee68686d1e2a5da35d5650be0be1ce06fe2ceb2" }, { "url": "https://git.kernel.org/stable/c/e512a59b472684d8585125101ab03b86c2c1348a" }, { "url": "https://git.kernel.org/stable/c/0f5892212c27be31792ef1daa89c8dac1b3047e4" }, { "url": "https://git.kernel.org/stable/c/1a14150e1656f7a332a943154fc486504db4d586" } ], "title": "powerpc/pseries: Whitelist dtl slub object for copying to userspace", "x_generator": { "engine": "bippy-c9c4e1df01b2" } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T04:46:52.323Z" }, "title": "CVE Program Container", "references": [ { "url": "https://git.kernel.org/stable/c/a7b952941ce07e1e7a2cafd08c64a98e14f553e6", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/6b16098148ea58a67430d90e20476be2377c3acd", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/e59822f9d700349cd17968d22c979db23a2d347f", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/1ee68686d1e2a5da35d5650be0be1ce06fe2ceb2", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/e512a59b472684d8585125101ab03b86c2c1348a", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/0f5892212c27be31792ef1daa89c8dac1b3047e4", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/1a14150e1656f7a332a943154fc486504db4d586", "tags": [ "x_transferred" ] } ] }, { "metrics": [ { "other": { "type": "ssvc", "content": { "id": "CVE-2024-41065", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2024-09-10T16:21:55.941792Z" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-11T17:32:58.163Z" } } ] } }