{ "dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": { "cveId": "CVE-2024-35995", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-05-17T13:50:33.148Z", "datePublished": "2024-05-20T09:47:59.057Z", "dateUpdated": "2024-08-02T03:30:12.364Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-05-29T05:32:37.804Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nACPI: CPPC: Use access_width over bit_width for system memory accesses\n\nTo align with ACPI 6.3+, since bit_width can be any 8-bit value, it\ncannot be depended on to be always on a clean 8b boundary. This was\nuncovered on the Cobalt 100 platform.\n\nSError Interrupt on CPU26, code 0xbe000011 -- SError\n CPU: 26 PID: 1510 Comm: systemd-udevd Not tainted 5.15.2.1-13 #1\n Hardware name: MICROSOFT CORPORATION, BIOS MICROSOFT CORPORATION\n pstate: 62400009 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)\n pc : cppc_get_perf_caps+0xec/0x410\n lr : cppc_get_perf_caps+0xe8/0x410\n sp : ffff8000155ab730\n x29: ffff8000155ab730 x28: ffff0080139d0038 x27: ffff0080139d0078\n x26: 0000000000000000 x25: ffff0080139d0058 x24: 00000000ffffffff\n x23: ffff0080139d0298 x22: ffff0080139d0278 x21: 0000000000000000\n x20: ffff00802b251910 x19: ffff0080139d0000 x18: ffffffffffffffff\n x17: 0000000000000000 x16: ffffdc7e111bad04 x15: ffff00802b251008\n x14: ffffffffffffffff x13: ffff013f1fd63300 x12: 0000000000000006\n x11: ffffdc7e128f4420 x10: 0000000000000000 x9 : ffffdc7e111badec\n x8 : ffff00802b251980 x7 : 0000000000000000 x6 : ffff0080139d0028\n x5 : 0000000000000000 x4 : ffff0080139d0018 x3 : 00000000ffffffff\n x2 : 0000000000000008 x1 : ffff8000155ab7a0 x0 : 0000000000000000\n Kernel panic - not syncing: Asynchronous SError Interrupt\n CPU: 26 PID: 1510 Comm: systemd-udevd Not tainted\n5.15.2.1-13 #1\n Hardware name: MICROSOFT CORPORATION, BIOS MICROSOFT CORPORATION\n Call trace:\n dump_backtrace+0x0/0x1e0\n show_stack+0x24/0x30\n dump_stack_lvl+0x8c/0xb8\n dump_stack+0x18/0x34\n panic+0x16c/0x384\n add_taint+0x0/0xc0\n arm64_serror_panic+0x7c/0x90\n arm64_is_fatal_ras_serror+0x34/0xa4\n do_serror+0x50/0x6c\n el1h_64_error_handler+0x40/0x74\n el1h_64_error+0x7c/0x80\n cppc_get_perf_caps+0xec/0x410\n cppc_cpufreq_cpu_init+0x74/0x400 [cppc_cpufreq]\n cpufreq_online+0x2dc/0xa30\n cpufreq_add_dev+0xc0/0xd4\n subsys_interface_register+0x134/0x14c\n cpufreq_register_driver+0x1b0/0x354\n cppc_cpufreq_init+0x1a8/0x1000 [cppc_cpufreq]\n do_one_initcall+0x50/0x250\n do_init_module+0x60/0x27c\n load_module+0x2300/0x2570\n __do_sys_finit_module+0xa8/0x114\n __arm64_sys_finit_module+0x2c/0x3c\n invoke_syscall+0x78/0x100\n el0_svc_common.constprop.0+0x180/0x1a0\n do_el0_svc+0x84/0xa0\n el0_svc+0x2c/0xc0\n el0t_64_sync_handler+0xa4/0x12c\n el0t_64_sync+0x1a4/0x1a8\n\nInstead, use access_width to determine the size and use the offset and\nwidth to shift and mask the bits to read/write out. Make sure to add a\ncheck for system memory since pcc redefines the access_width to\nsubspace id.\n\nIf access_width is not set, then fall back to using bit_width.\n\n[ rjw: Subject and changelog edits, comment adjustments ]" } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/acpi/cppc_acpi.c" ], "versions": [ { "version": "1da177e4c3f4", "lessThan": "4949affd5288", "status": "affected", "versionType": "git" }, { "version": "1da177e4c3f4", "lessThan": "b54c4632946a", "status": "affected", "versionType": "git" }, { "version": "1da177e4c3f4", "lessThan": "6dfd79ed04c5", "status": "affected", "versionType": "git" }, { "version": "1da177e4c3f4", "lessThan": "01fc53be672a", "status": "affected", "versionType": "git" }, { "version": "1da177e4c3f4", "lessThan": "1b890ae474d1", "status": "affected", "versionType": "git" }, { "version": "1da177e4c3f4", "lessThan": "6cb6b12b78dc", "status": "affected", "versionType": "git" }, { "version": "1da177e4c3f4", "lessThan": "2f4a4d63a193", "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/acpi/cppc_acpi.c" ], "versions": [ { "version": "5.15.154", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.15.155", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.15.159", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.1.90", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.6.30", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.8.9", "lessThanOrEqual": "6.8.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.9", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/4949affd5288b867cdf115f5b08d6166b2027f87" }, { "url": "https://git.kernel.org/stable/c/b54c4632946ae42f2b39ed38abd909bbf78cbcc2" }, { "url": "https://git.kernel.org/stable/c/6dfd79ed04c578f1d9a9a41ba5b2015cf9f03fc3" }, { "url": "https://git.kernel.org/stable/c/01fc53be672acae37e611c80cc0b4f3939584de3" }, { "url": "https://git.kernel.org/stable/c/1b890ae474d19800a6be1696df7fb4d9a41676e4" }, { "url": "https://git.kernel.org/stable/c/6cb6b12b78dcd8867a3fdbb1b6d0ed1df2b208d1" }, { "url": "https://git.kernel.org/stable/c/2f4a4d63a193be6fd530d180bb13c3592052904c" } ], "title": "ACPI: CPPC: Use access_width over bit_width for system memory accesses", "x_generator": { "engine": "bippy-a5840b7849dd" } }, "adp": [ { "title": "CISA ADP Vulnrichment", "metrics": [ { "other": { "type": "ssvc", "content": { "id": "CVE-2024-35995", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2024-05-21T15:11:28.341623Z" } } } ], "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-04T17:34:14.842Z" } }, { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T03:30:12.364Z" }, "title": "CVE Program Container", "references": [ { "url": "https://git.kernel.org/stable/c/4949affd5288b867cdf115f5b08d6166b2027f87", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/b54c4632946ae42f2b39ed38abd909bbf78cbcc2", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/6dfd79ed04c578f1d9a9a41ba5b2015cf9f03fc3", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/01fc53be672acae37e611c80cc0b4f3939584de3", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/1b890ae474d19800a6be1696df7fb4d9a41676e4", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/6cb6b12b78dcd8867a3fdbb1b6d0ed1df2b208d1", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/2f4a4d63a193be6fd530d180bb13c3592052904c", "tags": [ "x_transferred" ] } ] } ] } }