CVSS: 5.5EPSS: 0%CPEs: 5EXPL: 0CVE-2023-52825 – drm/amdkfd: Fix a race condition of vram buffer unref in svm code
https://notcve.org/view.php?id=CVE-2023-52825
In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Fix a race condition of vram buffer unref in svm code prange->svm_bo unref can happen in both mmu callback and a callback after migrate to system ram. Both are async call in different tasks. Sync svm_bo unref operation to avoid random "use-after-free". En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/amdkfd: se corrige una condición de ejecución de vram buffer unref en el código svm prange->svm_bo unref puede ocurrir tanto en la devolución de llamada mmu como en una devolución de llamada después de migrar a la memoria RAM del sistema. Ambas son llamadas asíncronas en diferentes tareas. • https://git.kernel.org/stable/c/7d43cdd22cd81a2b079e864c4321b9aba4c6af34 https://git.kernel.org/stable/c/50f35a907c4f9ed431fd3dbb8b871ef1cbb0718e https://git.kernel.org/stable/c/c772eacbd6d0845fc922af8716bb9d29ae27b8cf https://git.kernel.org/stable/c/fc0210720127cc6302e6d6f3de48f49c3fcf5659 https://git.kernel.org/stable/c/709c348261618da7ed89d6c303e2ceb9e453ba74 • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') •
CVSS: 5.5EPSS: 0%CPEs: 6EXPL: 0CVE-2023-52821 – drm/panel: fix a possible null pointer dereference
https://notcve.org/view.php?id=CVE-2023-52821
In the Linux kernel, the following vulnerability has been resolved: drm/panel: fix a possible null pointer dereference In versatile_panel_get_modes(), the return value of drm_mode_duplicate() is assigned to mode, which will lead to a NULL pointer dereference on failure of drm_mode_duplicate(). Add a check to avoid npd. En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/panel: corrige una posible desreferencia del puntero null. En versatile_panel_get_modes(), el valor de retorno de drm_mode_duplicate() se asigna al modo, lo que conducirá a una desreferencia del puntero NULL en caso de falla de drm_mode_duplicate(). Agregue una marca para evitar npd. • https://git.kernel.org/stable/c/c7dc0aca5962fb37dbea9769dd26ec37813faae1 https://git.kernel.org/stable/c/2381f6b628b3214f07375e0adf5ce17093c31190 https://git.kernel.org/stable/c/79813cd59398015867d51e6d7dcc14d287d4c402 https://git.kernel.org/stable/c/4fa930ba046d20fc1899770396ee11e905fa96e4 https://git.kernel.org/stable/c/8a9dd36fcb4f3906982b82593393578db4479992 https://git.kernel.org/stable/c/924e5814d1f84e6fa5cb19c6eceb69f066225229 • CWE-476: NULL Pointer Dereference •
CVSS: 6.6EPSS: 0%CPEs: 9EXPL: 0CVE-2023-52819 – drm/amd: Fix UBSAN array-index-out-of-bounds for Polaris and Tonga
https://notcve.org/view.php?id=CVE-2023-52819
In the Linux kernel, the following vulnerability has been resolved: drm/amd: Fix UBSAN array-index-out-of-bounds for Polaris and Tonga For pptable structs that use flexible array sizes, use flexible arrays. En el kernel de Linux, se resolvió la siguiente vulnerabilidad: drm/amd: corrige el índice de matriz UBSAN fuera de límites para Polaris y Tonga. Para estructuras pptable que usan tamaños de matriz flexibles, use matrices flexibles. • https://git.kernel.org/stable/c/60a00dfc7c5deafd1dd393beaf53224f7256dad6 https://git.kernel.org/stable/c/a63fd579e7b1c3a9ebd6e6c494d49b1b6cf5515e https://git.kernel.org/stable/c/d50a56749e5afdc63491b88f5153c1aae00d4679 https://git.kernel.org/stable/c/8c1dbddbfcb051e82cea0c197c620f9dcdc38e92 https://git.kernel.org/stable/c/a237675aa1e62bbfaa341c535331c8656a508fa1 https://git.kernel.org/stable/c/d0725232da777840703f5f1e22f2e3081d712aa4 https://git.kernel.org/stable/c/7c68283f3166221af3df5791f0e13d3137a72216 https://git.kernel.org/stable/c/b3b8b7c040cf069da7afe11c5bd73b870 •
CVSS: -EPSS: 0%CPEs: 9EXPL: 0CVE-2023-52818 – drm/amd: Fix UBSAN array-index-out-of-bounds for SMU7
https://notcve.org/view.php?id=CVE-2023-52818
In the Linux kernel, the following vulnerability has been resolved: drm/amd: Fix UBSAN array-index-out-of-bounds for SMU7 For pptable structs that use flexible array sizes, use flexible arrays. En el kernel de Linux, se resolvió la siguiente vulnerabilidad: drm/amd: corrige el índice de matriz UBSAN fuera de límites para SMU7. Para estructuras pptable que usan tamaños de matriz flexibles, use matrices flexibles. • https://git.kernel.org/stable/c/e52e324a21341c97350d5f11de14721c1c609498 https://git.kernel.org/stable/c/cfd8cd907fd94538561479a43aea455f5cf16928 https://git.kernel.org/stable/c/c847379a5d00078ad6fcb1c24230e72c5609342f https://git.kernel.org/stable/c/8af28ae3acb736ada4ce3457662fa446cc913bb4 https://git.kernel.org/stable/c/acdb6830de02cf2873aeaccdf2d9bca4aee50e47 https://git.kernel.org/stable/c/fc9ac0e8e0bcb3740c6eaad3a1a50c20016d422b https://git.kernel.org/stable/c/6dffdddfca818c02a42b6caa1d9845995f0a1f94 https://git.kernel.org/stable/c/92a775e7c9707aed28782bafe636bf876 •
CVSS: 8.4EPSS: 0%CPEs: 8EXPL: 0CVE-2023-52817 – drm/amdgpu: Fix a null pointer access when the smc_rreg pointer is NULL
https://notcve.org/view.php?id=CVE-2023-52817
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fix a null pointer access when the smc_rreg pointer is NULL In 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: 1. Navigate to the directory: /sys/kernel/debug/dri/0 2. Execute command: cat amdgpu_regs_smc 3. Exception Log:: [4005007.702554] BUG: kernel NULL pointer dereference, address: 0000000000000000 [4005007.702562] #PF: supervisor instruction fetch in kernel mode [4005007.702567] #PF: error_code(0x0010) - not-present page [4005007.702570] PGD 0 P4D 0 [4005007.702576] Oops: 0010 [#1] SMP NOPTI [4005007.702581] CPU: 4 PID: 62563 Comm: cat Tainted: G OE 5.15.0-43-generic #46-Ubunt u [4005007.702590] RIP: 0010:0x0 [4005007.702598] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [4005007.702600] RSP: 0018:ffffa82b46d27da0 EFLAGS: 00010206 [4005007.702605] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffa82b46d27e68 [4005007.702609] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff9940656e0000 [4005007.702612] RBP: ffffa82b46d27dd8 R08: 0000000000000000 R09: ffff994060c07980 [4005007.702615] R10: 0000000000020000 R11: 0000000000000000 R12: 00007f5e06753000 [4005007.702618] R13: ffff9940656e0000 R14: ffffa82b46d27e68 R15: 00007f5e06753000 [4005007.702622] FS: 00007f5e0755b740(0000) GS:ffff99479d300000(0000) knlGS:0000000000000000 [4005007.702626] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [4005007.702629] CR2: ffffffffffffffd6 CR3: 00000003253fc000 CR4: 00000000003506e0 [4005007.702633] Call Trace: [4005007.702636] <TASK> [4005007.702640] amdgpu_debugfs_regs_smc_read+0xb0/0x120 [amdgpu] [4005007.703002] full_proxy_read+0x5c/0x80 [4005007.703011] vfs_read+0x9f/0x1a0 [4005007.703019] ksys_read+0x67/0xe0 [4005007.703023] __x64_sys_read+0x19/0x20 [4005007.703028] do_syscall_64+0x5c/0xc0 [4005007.703034] ? • https://git.kernel.org/stable/c/bf2d51eedf03bd61e3556e35d74d49e2e6112398 https://git.kernel.org/stable/c/437e0fa907ba39b4d7eda863c03ea9cf48bd93a9 https://git.kernel.org/stable/c/f475d5502f33a6c5b149b0afe96316ad1962a64a https://git.kernel.org/stable/c/174f62a0aa15c211e60208b41ee9e7cdfb73d455 https://git.kernel.org/stable/c/6c1b3d89a2dda79881726bb6e37af19c0936d736 https://git.kernel.org/stable/c/820daf9ffe2b0afb804567b10983fb38bc5ae288 https://git.kernel.org/stable/c/ba3c0796d292de84f2932cc5bbb0f771fc720996 https://git.kernel.org/stable/c/5104fdf50d326db2c1a994f8b35dcd46e • CWE-476: NULL Pointer Dereference •