{ "dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": { "cveId": "CVE-2023-52817", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-05-21T15:19:24.249Z", "datePublished": "2024-05-21T15:31:24.225Z", "dateUpdated": "2024-08-08T14:19:04.428Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-05-29T05:17:54.129Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: Fix a null pointer access when the smc_rreg pointer is NULL\n\nIn certain types of chips, such as VEGA20, reading the amdgpu_regs_smc file could result in an abnormal null pointer access when the smc_rreg pointer is NULL. Below are the steps to reproduce this issue and the corresponding exception log:\n\n1. Navigate to the directory: /sys/kernel/debug/dri/0\n2. Execute command: cat amdgpu_regs_smc\n3. Exception Log::\n[4005007.702554] BUG: kernel NULL pointer dereference, address: 0000000000000000\n[4005007.702562] #PF: supervisor instruction fetch in kernel mode\n[4005007.702567] #PF: error_code(0x0010) - not-present page\n[4005007.702570] PGD 0 P4D 0\n[4005007.702576] Oops: 0010 [#1] SMP NOPTI\n[4005007.702581] CPU: 4 PID: 62563 Comm: cat Tainted: G OE 5.15.0-43-generic #46-Ubunt u\n[4005007.702590] RIP: 0010:0x0\n[4005007.702598] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6.\n[4005007.702600] RSP: 0018:ffffa82b46d27da0 EFLAGS: 00010206\n[4005007.702605] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffa82b46d27e68\n[4005007.702609] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff9940656e0000\n[4005007.702612] RBP: ffffa82b46d27dd8 R08: 0000000000000000 R09: ffff994060c07980\n[4005007.702615] R10: 0000000000020000 R11: 0000000000000000 R12: 00007f5e06753000\n[4005007.702618] R13: ffff9940656e0000 R14: ffffa82b46d27e68 R15: 00007f5e06753000\n[4005007.702622] FS: 00007f5e0755b740(0000) GS:ffff99479d300000(0000) knlGS:0000000000000000\n[4005007.702626] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[4005007.702629] CR2: ffffffffffffffd6 CR3: 00000003253fc000 CR4: 00000000003506e0\n[4005007.702633] Call Trace:\n[4005007.702636] \n[4005007.702640] amdgpu_debugfs_regs_smc_read+0xb0/0x120 [amdgpu]\n[4005007.703002] full_proxy_read+0x5c/0x80\n[4005007.703011] vfs_read+0x9f/0x1a0\n[4005007.703019] ksys_read+0x67/0xe0\n[4005007.703023] __x64_sys_read+0x19/0x20\n[4005007.703028] do_syscall_64+0x5c/0xc0\n[4005007.703034] ? do_user_addr_fault+0x1e3/0x670\n[4005007.703040] ? exit_to_user_mode_prepare+0x37/0xb0\n[4005007.703047] ? irqentry_exit_to_user_mode+0x9/0x20\n[4005007.703052] ? irqentry_exit+0x19/0x30\n[4005007.703057] ? exc_page_fault+0x89/0x160\n[4005007.703062] ? asm_exc_page_fault+0x8/0x30\n[4005007.703068] entry_SYSCALL_64_after_hwframe+0x44/0xae\n[4005007.703075] RIP: 0033:0x7f5e07672992\n[4005007.703079] Code: c0 e9 b2 fe ff ff 50 48 8d 3d fa b2 0c 00 e8 c5 1d 02 00 0f 1f 44 00 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 0f 05 <48> 3d 00 f0 ff ff 77 56 c3 0f 1f 44 00 00 48 83 e c 28 48 89 54 24\n[4005007.703083] RSP: 002b:00007ffe03097898 EFLAGS: 00000246 ORIG_RAX: 0000000000000000\n[4005007.703088] RAX: ffffffffffffffda RBX: 0000000000020000 RCX: 00007f5e07672992\n[4005007.703091] RDX: 0000000000020000 RSI: 00007f5e06753000 RDI: 0000000000000003\n[4005007.703094] RBP: 00007f5e06753000 R08: 00007f5e06752010 R09: 00007f5e06752010\n[4005007.703096] R10: 0000000000000022 R11: 0000000000000246 R12: 0000000000022000\n[4005007.703099] R13: 0000000000000003 R14: 0000000000020000 R15: 0000000000020000\n[4005007.703105] \n[4005007.703107] Modules linked in: nf_tables libcrc32c nfnetlink algif_hash af_alg binfmt_misc nls_ iso8859_1 ipmi_ssif ast intel_rapl_msr intel_rapl_common drm_vram_helper drm_ttm_helper amd64_edac t tm edac_mce_amd kvm_amd ccp mac_hid k10temp kvm acpi_ipmi ipmi_si rapl sch_fq_codel ipmi_devintf ipm i_msghandler msr parport_pc ppdev lp parport mtd pstore_blk efi_pstore ramoops pstore_zone reed_solo mon ip_tables x_tables autofs4 ib_uverbs ib_core amdgpu(OE) amddrm_ttm_helper(OE) amdttm(OE) iommu_v 2 amd_sched(OE) amdkcl(OE) drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops cec rc_core drm igb ahci xhci_pci libahci i2c_piix4 i2c_algo_bit xhci_pci_renesas dca\n[4005007.703184] CR2: 0000000000000000\n[4005007.703188] ---[ en\n---truncated---" } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c" ], "versions": [ { "version": "1da177e4c3f4", "lessThan": "bf2d51eedf03", "status": "affected", "versionType": "git" }, { "version": "1da177e4c3f4", "lessThan": "437e0fa907ba", "status": "affected", "versionType": "git" }, { "version": "1da177e4c3f4", "lessThan": "f475d5502f33", "status": "affected", "versionType": "git" }, { "version": "1da177e4c3f4", "lessThan": "174f62a0aa15", "status": "affected", "versionType": "git" }, { "version": "1da177e4c3f4", "lessThan": "6c1b3d89a2dd", "status": "affected", "versionType": "git" }, { "version": "1da177e4c3f4", "lessThan": "820daf9ffe2b", "status": "affected", "versionType": "git" }, { "version": "1da177e4c3f4", "lessThan": "ba3c0796d292", "status": "affected", "versionType": "git" }, { "version": "1da177e4c3f4", "lessThan": "5104fdf50d32", "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/gpu/drm/amd/amdgpu/amdgpu_debugfs.c" ], "versions": [ { "version": "4.19.300", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.4.262", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.10.202", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.15.140", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.1.64", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.5.13", "lessThanOrEqual": "6.5.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.6.3", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.7", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/bf2d51eedf03bd61e3556e35d74d49e2e6112398" }, { "url": "https://git.kernel.org/stable/c/437e0fa907ba39b4d7eda863c03ea9cf48bd93a9" }, { "url": "https://git.kernel.org/stable/c/f475d5502f33a6c5b149b0afe96316ad1962a64a" }, { "url": "https://git.kernel.org/stable/c/174f62a0aa15c211e60208b41ee9e7cdfb73d455" }, { "url": "https://git.kernel.org/stable/c/6c1b3d89a2dda79881726bb6e37af19c0936d736" }, { "url": "https://git.kernel.org/stable/c/820daf9ffe2b0afb804567b10983fb38bc5ae288" }, { "url": "https://git.kernel.org/stable/c/ba3c0796d292de84f2932cc5bbb0f771fc720996" }, { "url": "https://git.kernel.org/stable/c/5104fdf50d326db2c1a994f8b35dcd46e63ae4ad" } ], "title": "drm/amdgpu: Fix a null pointer access when the smc_rreg pointer is NULL", "x_generator": { "engine": "bippy-a5840b7849dd" } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T23:11:36.057Z" }, "title": "CVE Program Container", "references": [ { "url": "https://git.kernel.org/stable/c/bf2d51eedf03bd61e3556e35d74d49e2e6112398", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/437e0fa907ba39b4d7eda863c03ea9cf48bd93a9", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/f475d5502f33a6c5b149b0afe96316ad1962a64a", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/174f62a0aa15c211e60208b41ee9e7cdfb73d455", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/6c1b3d89a2dda79881726bb6e37af19c0936d736", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/820daf9ffe2b0afb804567b10983fb38bc5ae288", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/ba3c0796d292de84f2932cc5bbb0f771fc720996", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/5104fdf50d326db2c1a994f8b35dcd46e63ae4ad", "tags": [ "x_transferred" ] } ] }, { "problemTypes": [ { "descriptions": [ { "type": "CWE", "cweId": "CWE-476", "lang": "en", "description": "CWE-476 NULL Pointer Dereference" } ] } ], "metrics": [ { "cvssV3_1": { "scope": "UNCHANGED", "version": "3.1", "baseScore": 8.4, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH" } }, { "other": { "type": "ssvc", "content": { "timestamp": "2024-08-08T14:18:47.738827Z", "id": "CVE-2023-52817", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-08-08T14:19:04.428Z" } } ] } }