CVE Details
Description
In the Linux kernel, the following vulnerability has been resolved:\ndrm/amd/display: Fix MST Null Ptr for RV\nThe change try to fix below error specific to RV platform:\nBUG: kernel NULL pointer dereference, address: 0000000000000008\nPGD 0 P4D 0\nOops: 0000 [#1] PREEMPT SMP NOPTI\nCPU: 4 PID: 917 Comm: sway Not tainted 6.3.9-arch1-1 #1 124dc55df4f5272ccb409f39ef4872fc2b3376a2\nHardware name: LENOVO 20NKS01Y00/20NKS01Y00, BIOS R12ET61W(1.31 ) 07/28/2022\nRIP: 0010:drm_dp_atomic_find_time_slots+0x5e/0x260 [drm_display_helper]\nCode: 01 00 00 48 8b 85 60 05 00 00 48 63 80 88 00 00 00 3b 43 28 0f 8d 2e 01 00 00 48 8b 53 30 48 8d 04 80 48 8d 04 c2 48 8b 40 18 <48> 8>\nRSP: 0018:ffff960cc2df77d8 EFLAGS: 00010293\nRAX: 0000000000000000 RBX: ffff8afb87e81280 RCX: 0000000000000224\nRDX: ffff8afb9ee37c00 RSI: ffff8afb8da1a578 RDI: ffff8afb87e81280\nRBP: ffff8afb83d67000 R08: 0000000000000001 R09: ffff8afb9652f850\nR10: ffff960cc2df7908 R11: 0000000000000002 R12: 0000000000000000\nR13: ffff8afb8d7688a0 R14: ffff8afb8da1a578 R15: 0000000000000224\nFS: 00007f4dac35ce00(0000) GS:ffff8afe30b00000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 0000000000000008 CR3: 000000010ddc6000 CR4: 00000000003506e0\nCall Trace:\n\n? __die+0x23/0x70\n? page_fault_oops+0x171/0x4e0\n? plist_add+0xbe/0x100\n? exc_page_fault+0x7c/0x180\n? asm_exc_page_fault+0x26/0x30\n? drm_dp_atomic_find_time_slots+0x5e/0x260 [drm_display_helper 0e67723696438d8e02b741593dd50d80b44c2026]\n? drm_dp_atomic_find_time_slots+0x28/0x260 [drm_display_helper 0e67723696438d8e02b741593dd50d80b44c2026]\ncompute_mst_dsc_configs_for_link+0x2ff/0xa40 [amdgpu 62e600d2a75e9158e1cd0a243bdc8e6da040c054]\n? fill_plane_buffer_attributes+0x419/0x510 [amdgpu 62e600d2a75e9158e1cd0a243bdc8e6da040c054]\ncompute_mst_dsc_configs_for_state+0x1e1/0x250 [amdgpu 62e600d2a75e9158e1cd0a243bdc8e6da040c054]\namdgpu_dm_atomic_check+0xecd/0x1190 [amdgpu 62e600d2a75e9158e1cd0a243bdc8e6da040c054]\ndrm_atomic_check_only+0x5c5/0xa40\ndrm_mode_atomic_ioctl+0x76e/0xbc0\n? _copy_to_user+0x25/0x30\n? drm_ioctl+0x296/0x4b0\n? __pfx_drm_mode_atomic_ioctl+0x10/0x10\ndrm_ioctl_kernel+0xcd/0x170\ndrm_ioctl+0x26d/0x4b0\n? __pfx_drm_mode_atomic_ioctl+0x10/0x10\namdgpu_drm_ioctl+0x4e/0x90 [amdgpu 62e600d2a75e9158e1cd0a243bdc8e6da040c054]\n__x64_sys_ioctl+0x94/0xd0\ndo_syscall_64+0x60/0x90\n? do_syscall_64+0x6c/0x90\nentry_SYSCALL_64_after_hwframe+0x72/0xdc\nRIP: 0033:0x7f4dad17f76f\nCode: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c>\nRSP: 002b:00007ffd9ae859f0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010\nRAX: ffffffffffffffda RBX: 000055e255a55900 RCX: 00007f4dad17f76f\nRDX: 00007ffd9ae85a90 RSI: 00000000c03864bc RDI: 000000000000000b\nRBP: 00007ffd9ae85a90 R08: 0000000000000003 R09: 0000000000000003\nR10: 0000000000000000 R11: 0000000000000246 R12: 00000000c03864bc\nR13: 000000000000000b R14: 000055e255a7fc60 R15: 000055e255a01eb0\n\nModules linked in: rfcomm snd_seq_dummy snd_hrtimer snd_seq snd_seq_device ccm cmac algif_hash algif_skcipher af_alg joydev mousedev bnep >\ntypec libphy k10temp ipmi_msghandler roles i2c_scmi acpi_cpufreq mac_hid nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_mas>\nCR2: 0000000000000008\n---[ end trace 0000000000000000 ]---\nRIP: 0010:drm_dp_atomic_find_time_slots+0x5e/0x260 [drm_display_helper]\nCode: 01 00 00 48 8b 85 60 05 00 00 48 63 80 88 00 00 00 3b 43 28 0f 8d 2e 01 00 00 48 8b 53 30 48 8d 04 80 48 8d 04 c2 48 8b 40 18 <48> 8>\nRSP: 0018:ffff960cc2df77d8 EFLAGS: 00010293\nRAX: 0000000000000000 RBX: ffff8afb87e81280 RCX: 0000000000000224\nRDX: ffff8afb9ee37c00 RSI: ffff8afb8da1a578 RDI: ffff8afb87e81280\nRBP: ffff8afb83d67000 R08: 0000000000000001 R09: ffff8afb9652f850\nR10: ffff960cc2df7908 R11: 0000000000000002 R12: 0000000000000000\nR13: ffff8afb8d7688a0 R14: ffff8afb8da1a578 R15: 0000000000000224\nFS: 00007f4dac35ce00(0000) GS:ffff8afe30b00000(0000\n---truncated---
See more information about CVE-2024-26700 from MITRE CVE dictionary and NIST NVD
NOTE: The following CVSS metrics and score provided are preliminary and subject to review.
CVSS v3 metrics
| Base Score: | 4.3 |
| Vector String: | CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| Version: | 3.1 |
| Attack Vector: | Physical |
| Attack Complexity: | Low |
| Privileges Required: | Low |
| User Interaction: | None |
| Scope: | Unchanged |
| Confidentiality Impact: | None |
| Integrity Impact: | None |
| Availability Impact: | High |
Errata information
| Platform | Errata | Release Date |
| Oracle Linux version 9 (kernel) | ELSA-2024-9315 | 2024-11-14 |
