{"id":"AZL-54933","summary":"CVE-2024-53157 affecting package kernel for versions less than 6.6.64.2-1","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nfirmware: arm_scpi: Check the DVFS OPP count returned by the firmware\n\nFix a kernel crash with the below call trace when the SCPI firmware\nreturns OPP count of zero.\n\ndvfs_info.opp_count may be zero on some platforms during the reboot\ntest, and the kernel will crash after dereferencing the pointer to\nkcalloc(info-\u003ecount, sizeof(*opp), GFP_KERNEL).\n\n  |  Unable to handle kernel NULL pointer dereference at virtual address 0000000000000028\n  |  Mem abort info:\n  |    ESR = 0x96000004\n  |    Exception class = DABT (current EL), IL = 32 bits\n  |    SET = 0, FnV = 0\n  |    EA = 0, S1PTW = 0\n  |  Data abort info:\n  |    ISV = 0, ISS = 0x00000004\n  |    CM = 0, WnR = 0\n  |  user pgtable: 4k pages, 48-bit VAs, pgdp = 00000000faefa08c\n  |  [0000000000000028] pgd=0000000000000000\n  |  Internal error: Oops: 96000004 [#1] SMP\n  |  scpi-hwmon: probe of PHYT000D:00 failed with error -110\n  |  Process systemd-udevd (pid: 1701, stack limit = 0x00000000aaede86c)\n  |  CPU: 2 PID: 1701 Comm: systemd-udevd Not tainted 4.19.90+ #1\n  |  Hardware name: PHYTIUM LTD Phytium FT2000/4/Phytium FT2000/4, BIOS\n  |  pstate: 60000005 (nZCv daif -PAN -UAO)\n  |  pc : scpi_dvfs_recalc_rate+0x40/0x58 [clk_scpi]\n  |  lr : clk_register+0x438/0x720\n  |  Call trace:\n  |   scpi_dvfs_recalc_rate+0x40/0x58 [clk_scpi]\n  |   devm_clk_hw_register+0x50/0xa0\n  |   scpi_clk_ops_init.isra.2+0xa0/0x138 [clk_scpi]\n  |   scpi_clocks_probe+0x528/0x70c [clk_scpi]\n  |   platform_drv_probe+0x58/0xa8\n  |   really_probe+0x260/0x3d0\n  |   driver_probe_device+0x12c/0x148\n  |   device_driver_attach+0x74/0x98\n  |   __driver_attach+0xb4/0xe8\n  |   bus_for_each_dev+0x88/0xe0\n  |   driver_attach+0x30/0x40\n  |   bus_add_driver+0x178/0x2b0\n  |   driver_register+0x64/0x118\n  |   __platform_driver_register+0x54/0x60\n  |   scpi_clocks_driver_init+0x24/0x1000 [clk_scpi]\n  |   do_one_initcall+0x54/0x220\n  |   do_init_module+0x54/0x1c8\n  |   load_module+0x14a4/0x1668\n  |   __se_sys_finit_module+0xf8/0x110\n  |   __arm64_sys_finit_module+0x24/0x30\n  |   el0_svc_common+0x78/0x170\n  |   el0_svc_handler+0x38/0x78\n  |   el0_svc+0x8/0x340\n  |  Code: 937d7c00 a94153f3 a8c27bfd f9400421 (b8606820)\n  |  ---[ end trace 06feb22469d89fa8 ]---\n  |  Kernel panic - not syncing: Fatal exception\n  |  SMP: stopping secondary CPUs\n  |  Kernel Offset: disabled\n  |  CPU features: 0x10,a0002008\n  |  Memory Limit: none","modified":"2026-04-01T05:18:26.881572Z","published":"2024-12-24T12:15:23Z","upstream":["CVE-2024-53157"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-53157"}],"affected":[{"package":{"name":"kernel","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/kernel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.6.64.2-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-54933.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}