CVE-2026-93194

{
  "id": "CVE-2026-93194",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2026-09-17T17:18:15.660",
  "lastModified": "2026-10-19T10:17:10.053",
  "vulnStatus": "Received",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/rockchip: dw_dp: Release core resources\n\nCore resources such as the DisplayPort AUX channel get initialized and\nregistered during dw_dp_bind(), but are never unregistered, which may\nlead to memory leaks and/or use-after-free:\n\n[  224.661371] BUG: KASAN: slab-use-after-free in device_is_dependent+0xe0/0x2b0\n[  224.662015] Read of size 8 at addr ffff00011aee8550 by task modprobe/658\n[  224.662612]\n[  224.662752] CPU: 7 UID: 0 PID: 658 Comm: modprobe Not tainted 7.0.0-rc2-next-20260305 #14 PREEMPT\n[  224.662759] Hardware name: Radxa ROCK 5B (DT)\n[  224.662762] Call trace:\n[  224.662764]  show_stack+0x20/0x38 (C)\n[  224.662772]  dump_stack_lvl+0x6c/0x98\n[  224.662777]  print_report+0x160/0x4b8\n[  224.662783]  kasan_report+0xb4/0xe0\n[  224.662790]  __asan_report_load8_noabort+0x20/0x30\n[  224.662796]  device_is_dependent+0xe0/0x2b0\n[  224.662802]  device_is_dependent+0x108/0x2b0\n[  224.662808]  device_link_add+0x1f8/0x10b0\n[  224.662813]  devm_of_phy_get_by_index+0x120/0x200\n[  224.662819]  dw_dp_bind+0x34c/0xb10 [dw_dp]\n[  224.662830]  dw_dp_rockchip_bind+0x194/0x250 [rockchipdrm]\n[  224.662864]  component_bind_all+0x3a8/0x720\n[  224.662869]  rockchip_drm_bind+0x120/0x390 [rockchipdrm]\n[  224.662899]  try_to_bring_up_aggregate_device+0x76c/0x838\n[  224.662904]  component_master_add_with_match+0x1f4/0x230\n[  224.662909]  rockchip_drm_platform_probe+0x420/0x538 [rockchipdrm]\n[  224.662939]  platform_probe+0xe8/0x168\n[  224.662945]  really_probe+0x340/0x828\n[  224.662950]  __driver_probe_device+0x2e0/0x350\n[  224.662954]  driver_probe_device+0x80/0x140\n[  224.662959]  __driver_attach+0x398/0x460\n[  224.662964]  bus_for_each_dev+0xe0/0x198\n[  224.662968]  driver_attach+0x50/0x68\n[  224.662972]  bus_add_driver+0x2a0/0x4c0\n[  224.662977]  driver_register+0x294/0x360\n[  224.662982]  __platform_driver_register+0x7c/0x98\n[  224.662987]  rockchip_drm_init+0xc4/0xff8 [rockchipdrm]\n\nSince a previous commit exported dw_dp_unbind() function in DW DP core\nlibrary to take care of the necessary cleanup, use this in the\ncomponent's unbind() callback, as well as in its bind() error path."
    }
  ],
  "affected": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "affectedData": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "programFiles": [
            "drivers/gpu/drm/rockchip/dw_dp-rockchip.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "versions": [
            {
              "version": "d68ba7bac9555d05e2f5b310c898b2a5c7eff174",
              "lessThan": "362e005b816ee8052a195b98d845966689b398a1",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "d68ba7bac9555d05e2f5b310c898b2a5c7eff174",
              "lessThan": "11f07929f454ecc2c5d0da3a4727fd205be43e49",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "d68ba7bac9555d05e2f5b310c898b2a5c7eff174",
              "lessThan": "cc6d7aca2f37a1525a94ef97eb3ce361732c876c",
              "versionType": "git",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "programFiles": [
            "drivers/gpu/drm/rockchip/dw_dp-rockchip.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "versions": [
            {
              "version": "6.18",
              "status": "affected"
            },
            {
              "version": "0",
              "lessThan": "6.18",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.18.52",
              "lessThanOrEqual": "6.18.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "7.2.6",
              "lessThanOrEqual": "7.2.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "7.3",
              "lessThanOrEqual": "*",
              "versionType": "original_commit_for_fix",
              "status": "unaffected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {},
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/11f07929f454ecc2c5d0da3a4727fd205be43e49",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/362e005b816ee8052a195b98d845966689b398a1",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/cc6d7aca2f37a1525a94ef97eb3ce361732c876c",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ]
}