{ "dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": { "cveId": "CVE-2024-47688", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-09-30T16:00:12.941Z", "datePublished": "2024-10-21T11:53:28.526Z", "dateUpdated": "2024-10-21T13:14:15.570Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-10-21T11:53:28.526Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndriver core: Fix a potential null-ptr-deref in module_add_driver()\n\nInject fault while probing of-fpga-region, if kasprintf() fails in\nmodule_add_driver(), the second sysfs_remove_link() in exit path will cause\nnull-ptr-deref as below because kernfs_name_hash() will call strlen() with\nNULL driver_name.\n\nFix it by releasing resources based on the exit path sequence.\n\n\t KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]\n\t Mem abort info:\n\t ESR = 0x0000000096000005\n\t EC = 0x25: DABT (current EL), IL = 32 bits\n\t SET = 0, FnV = 0\n\t EA = 0, S1PTW = 0\n\t FSC = 0x05: level 1 translation fault\n\t Data abort info:\n\t ISV = 0, ISS = 0x00000005, ISS2 = 0x00000000\n\t CM = 0, WnR = 0, TnD = 0, TagAccess = 0\n\t GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0\n\t [dfffffc000000000] address between user and kernel address ranges\n\t Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP\n\t Dumping ftrace buffer:\n\t (ftrace buffer empty)\n\t Modules linked in: of_fpga_region(+) fpga_region fpga_bridge cfg80211 rfkill 8021q garp mrp stp llc ipv6 [last unloaded: of_fpga_region]\n\t CPU: 2 UID: 0 PID: 2036 Comm: modprobe Not tainted 6.11.0-rc2-g6a0e38264012 #295\n\t Hardware name: linux,dummy-virt (DT)\n\t pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)\n\t pc : strlen+0x24/0xb0\n\t lr : kernfs_name_hash+0x1c/0xc4\n\t sp : ffffffc081f97380\n\t x29: ffffffc081f97380 x28: ffffffc081f97b90 x27: ffffff80c821c2a0\n\t x26: ffffffedac0be418 x25: 0000000000000000 x24: ffffff80c09d2000\n\t x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000\n\t x20: 0000000000000000 x19: 0000000000000000 x18: 0000000000001840\n\t x17: 0000000000000000 x16: 0000000000000000 x15: 1ffffff8103f2e42\n\t x14: 00000000f1f1f1f1 x13: 0000000000000004 x12: ffffffb01812d61d\n\t x11: 1ffffff01812d61c x10: ffffffb01812d61c x9 : dfffffc000000000\n\t x8 : 0000004fe7ed29e4 x7 : ffffff80c096b0e7 x6 : 0000000000000001\n\t x5 : ffffff80c096b0e0 x4 : 1ffffffdb990efa2 x3 : 0000000000000000\n\t x2 : 0000000000000000 x1 : dfffffc000000000 x0 : 0000000000000000\n\t Call trace:\n\t strlen+0x24/0xb0\n\t kernfs_name_hash+0x1c/0xc4\n\t kernfs_find_ns+0x118/0x2e8\n\t kernfs_remove_by_name_ns+0x80/0x100\n\t sysfs_remove_link+0x74/0xa8\n\t module_add_driver+0x278/0x394\n\t bus_add_driver+0x1f0/0x43c\n\t driver_register+0xf4/0x3c0\n\t __platform_driver_register+0x60/0x88\n\t of_fpga_region_init+0x20/0x1000 [of_fpga_region]\n\t do_one_initcall+0x110/0x788\n\t do_init_module+0x1dc/0x5c8\n\t load_module+0x3c38/0x4cac\n\t init_module_from_file+0xd4/0x128\n\t idempotent_init_module+0x2cc/0x528\n\t __arm64_sys_finit_module+0xac/0x100\n\t invoke_syscall+0x6c/0x258\n\t el0_svc_common.constprop.0+0x160/0x22c\n\t do_el0_svc+0x44/0x5c\n\t el0_svc+0x48/0xb8\n\t el0t_64_sync_handler+0x13c/0x158\n\t el0t_64_sync+0x190/0x194\n\t Code: f2fbffe1 a90157f4 12000802 aa0003f5 (38e16861)\n\t ---[ end trace 0000000000000000 ]---\n\t Kernel panic - not syncing: Oops: Fatal exception" } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/base/module.c" ], "versions": [ { "version": "28f5a08600d0", "lessThan": "b8e45b910525", "status": "affected", "versionType": "git" }, { "version": "85d2b0aa1703", "lessThan": "4b5d48b7a29c", "status": "affected", "versionType": "git" }, { "version": "85d2b0aa1703", "lessThan": "dcb9d581dee4", "status": "affected", "versionType": "git" }, { "version": "85d2b0aa1703", "lessThan": "18ec12c97b39", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/base/module.c" ], "versions": [ { "version": "6.10", "status": "affected" }, { "version": "0", "lessThan": "6.10", "status": "unaffected", "versionType": "custom" }, { "version": "6.6.54", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.10.13", "lessThanOrEqual": "6.10.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.11.2", "lessThanOrEqual": "6.11.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.12-rc1", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/b8e45b910525704010d10c9dcbf2abf3005aa97c" }, { "url": "https://git.kernel.org/stable/c/4b5d48b7a29cc6d508121a4b4e0c97a891e5273c" }, { "url": "https://git.kernel.org/stable/c/dcb9d581dee4c23f2378b6650511ece80dda4e2f" }, { "url": "https://git.kernel.org/stable/c/18ec12c97b39ff6aa15beb8d2b25d15cd44b87d8" } ], "title": "driver core: Fix a potential null-ptr-deref in module_add_driver()", "x_generator": { "engine": "bippy-c9c4e1df01b2" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "id": "CVE-2024-47688", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2024-10-21T13:06:20.271909Z" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-10-21T13:14:15.570Z" } } ] } }