mirror of
https://github.com/CVEProject/cvelist.git
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92 lines
6.0 KiB
JSON
92 lines
6.0 KiB
JSON
{
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"data_version": "4.0",
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"data_type": "CVE",
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"data_format": "MITRE",
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"CVE_data_meta": {
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"ID": "CVE-2024-43901",
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"ASSIGNER": "cve@kernel.org",
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"STATE": "PUBLIC"
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},
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"description": {
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"description_data": [
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{
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"lang": "eng",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Fix NULL pointer dereference for DTN log in DCN401\n\nWhen users run the command:\n\ncat /sys/kernel/debug/dri/0/amdgpu_dm_dtn_log\n\nThe following NULL pointer dereference happens:\n\n[ +0.000003] BUG: kernel NULL pointer dereference, address: NULL\n[ +0.000005] #PF: supervisor instruction fetch in kernel mode\n[ +0.000002] #PF: error_code(0x0010) - not-present page\n[ +0.000002] PGD 0 P4D 0\n[ +0.000004] Oops: 0010 [#1] PREEMPT SMP NOPTI\n[ +0.000003] RIP: 0010:0x0\n[ +0.000008] Code: Unable to access opcode bytes at 0xffffffffffffffd6.\n[...]\n[ +0.000002] PKRU: 55555554\n[ +0.000002] Call Trace:\n[ +0.000002] <TASK>\n[ +0.000003] ? show_regs+0x65/0x70\n[ +0.000006] ? __die+0x24/0x70\n[ +0.000004] ? page_fault_oops+0x160/0x470\n[ +0.000006] ? do_user_addr_fault+0x2b5/0x690\n[ +0.000003] ? prb_read_valid+0x1c/0x30\n[ +0.000005] ? exc_page_fault+0x8c/0x1a0\n[ +0.000005] ? asm_exc_page_fault+0x27/0x30\n[ +0.000012] dcn10_log_color_state+0xf9/0x510 [amdgpu]\n[ +0.000306] ? srso_alias_return_thunk+0x5/0xfbef5\n[ +0.000003] ? vsnprintf+0x2fb/0x600\n[ +0.000009] dcn10_log_hw_state+0xfd0/0xfe0 [amdgpu]\n[ +0.000218] ? __mod_memcg_lruvec_state+0xe8/0x170\n[ +0.000008] ? srso_alias_return_thunk+0x5/0xfbef5\n[ +0.000002] ? debug_smp_processor_id+0x17/0x20\n[ +0.000003] ? srso_alias_return_thunk+0x5/0xfbef5\n[ +0.000002] ? srso_alias_return_thunk+0x5/0xfbef5\n[ +0.000002] ? set_ptes.isra.0+0x2b/0x90\n[ +0.000004] ? srso_alias_return_thunk+0x5/0xfbef5\n[ +0.000002] ? _raw_spin_unlock+0x19/0x40\n[ +0.000004] ? srso_alias_return_thunk+0x5/0xfbef5\n[ +0.000002] ? do_anonymous_page+0x337/0x700\n[ +0.000004] dtn_log_read+0x82/0x120 [amdgpu]\n[ +0.000207] full_proxy_read+0x66/0x90\n[ +0.000007] vfs_read+0xb0/0x340\n[ +0.000005] ? __count_memcg_events+0x79/0xe0\n[ +0.000002] ? srso_alias_return_thunk+0x5/0xfbef5\n[ +0.000003] ? count_memcg_events.constprop.0+0x1e/0x40\n[ +0.000003] ? handle_mm_fault+0xb2/0x370\n[ +0.000003] ksys_read+0x6b/0xf0\n[ +0.000004] __x64_sys_read+0x19/0x20\n[ +0.000003] do_syscall_64+0x60/0x130\n[ +0.000004] entry_SYSCALL_64_after_hwframe+0x6e/0x76\n[ +0.000003] RIP: 0033:0x7fdf32f147e2\n[...]\n\nThis error happens when the color log tries to read the gamut remap\ninformation from DCN401 which is not initialized in the dcn401_dpp_funcs\nwhich leads to a null pointer dereference. This commit addresses this\nissue by adding a proper guard to access the gamut_remap callback in\ncase the specific ASIC did not implement this function."
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}
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]
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},
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"problemtype": {
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"problemtype_data": [
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{
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"description": [
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{
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"lang": "eng",
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"value": "n/a"
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}
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]
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}
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]
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},
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"affects": {
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"vendor": {
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"vendor_data": [
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{
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"vendor_name": "Linux",
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"product": {
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"product_data": [
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{
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"product_name": "Linux",
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"version": {
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"version_data": [
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{
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"version_affected": "<",
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"version_name": "1da177e4c3f4",
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"version_value": "1e68b7ce6bc6"
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},
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{
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"version_value": "not down converted",
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"x_cve_json_5_version_data": {
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"versions": [
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{
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"version": "6.10.5",
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"lessThanOrEqual": "6.10.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.11",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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],
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"defaultStatus": "affected"
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}
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}
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]
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}
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}
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]
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}
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}
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]
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}
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},
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"references": {
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"reference_data": [
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{
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"url": "https://git.kernel.org/stable/c/1e68b7ce6bc6073579fe8713ec6b85aa9cd2e351",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/1e68b7ce6bc6073579fe8713ec6b85aa9cd2e351"
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},
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{
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"url": "https://git.kernel.org/stable/c/5af757124792817f8eb1bd0c80ad60fab519586b",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/5af757124792817f8eb1bd0c80ad60fab519586b"
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}
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]
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},
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"generator": {
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"engine": "bippy-9e1c9544281a"
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}
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} |