CVE-2026-93194

{"id": "CVE-2026-93194", "cveTags": [], "metrics": {}, "affected": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "affectedData": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "d68ba7bac9555d05e2f5b310c898b2a5c7eff174", "lessThan": "362e005b816ee8052a195b98d845966689b398a1", "versionType": "git"}, {"status": "affected", "version": "d68ba7bac9555d05e2f5b310c898b2a5c7eff174", "lessThan": "11f07929f454ecc2c5d0da3a4727fd205be43e49", "versionType": "git"}, {"status": "affected", "version": "d68ba7bac9555d05e2f5b310c898b2a5c7eff174", "lessThan": "cc6d7aca2f37a1525a94ef97eb3ce361732c876c", "versionType": "git"}], "programFiles": ["drivers/gpu/drm/rockchip/dw_dp-rockchip.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "6.18"}, {"status": "unaffected", "version": "0", "lessThan": "6.18", "versionType": "semver"}, {"status": "unaffected", "version": "6.18.52", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "7.2.6", "versionType": "semver", "lessThanOrEqual": "7.2.*"}, {"status": "unaffected", "version": "7.3-rc1", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/gpu/drm/rockchip/dw_dp-rockchip.c"], "defaultStatus": "affected"}]}], "published": "2026-09-17T17:18:15.660", "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"}], "vulnStatus": "Received", "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."}], "lastModified": "2026-09-17T17:18:15.660", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}