{ "dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": { "cveId": "CVE-2024-38664", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-06-21T11:16:40.607Z", "datePublished": "2024-06-24T13:50:52.371Z", "dateUpdated": "2024-08-02T04:12:25.988Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-07-15T06:49:39.607Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm: zynqmp_dpsub: Always register bridge\n\nWe must always register the DRM bridge, since zynqmp_dp_hpd_work_func\ncalls drm_bridge_hpd_notify, which in turn expects hpd_mutex to be\ninitialized. We do this before zynqmp_dpsub_drm_init since that calls\ndrm_bridge_attach. This fixes the following lockdep warning:\n\n[ 19.217084] ------------[ cut here ]------------\n[ 19.227530] DEBUG_LOCKS_WARN_ON(lock->magic != lock)\n[ 19.227768] WARNING: CPU: 0 PID: 140 at kernel/locking/mutex.c:582 __mutex_lock+0x4bc/0x550\n[ 19.241696] Modules linked in:\n[ 19.244937] CPU: 0 PID: 140 Comm: kworker/0:4 Not tainted 6.6.20+ #96\n[ 19.252046] Hardware name: xlnx,zynqmp (DT)\n[ 19.256421] Workqueue: events zynqmp_dp_hpd_work_func\n[ 19.261795] pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)\n[ 19.269104] pc : __mutex_lock+0x4bc/0x550\n[ 19.273364] lr : __mutex_lock+0x4bc/0x550\n[ 19.277592] sp : ffffffc085c5bbe0\n[ 19.281066] x29: ffffffc085c5bbe0 x28: 0000000000000000 x27: ffffff88009417f8\n[ 19.288624] x26: ffffff8800941788 x25: ffffff8800020008 x24: ffffffc082aa3000\n[ 19.296227] x23: ffffffc080d90e3c x22: 0000000000000002 x21: 0000000000000000\n[ 19.303744] x20: 0000000000000000 x19: ffffff88002f5210 x18: 0000000000000000\n[ 19.311295] x17: 6c707369642e3030 x16: 3030613464662072 x15: 0720072007200720\n[ 19.318922] x14: 0000000000000000 x13: 284e4f5f4e524157 x12: 0000000000000001\n[ 19.326442] x11: 0001ffc085c5b940 x10: 0001ff88003f388b x9 : 0001ff88003f3888\n[ 19.334003] x8 : 0001ff88003f3888 x7 : 0000000000000000 x6 : 0000000000000000\n[ 19.341537] x5 : 0000000000000000 x4 : 0000000000001668 x3 : 0000000000000000\n[ 19.349054] x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffffff88003f3880\n[ 19.356581] Call trace:\n[ 19.359160] __mutex_lock+0x4bc/0x550\n[ 19.363032] mutex_lock_nested+0x24/0x30\n[ 19.367187] drm_bridge_hpd_notify+0x2c/0x6c\n[ 19.371698] zynqmp_dp_hpd_work_func+0x44/0x54\n[ 19.376364] process_one_work+0x3ac/0x988\n[ 19.380660] worker_thread+0x398/0x694\n[ 19.384736] kthread+0x1bc/0x1c0\n[ 19.388241] ret_from_fork+0x10/0x20\n[ 19.392031] irq event stamp: 183\n[ 19.395450] hardirqs last enabled at (183): [] finish_task_switch.isra.0+0xa8/0x2d4\n[ 19.405140] hardirqs last disabled at (182): [] __schedule+0x714/0xd04\n[ 19.413612] softirqs last enabled at (114): [] srcu_invoke_callbacks+0x158/0x23c\n[ 19.423128] softirqs last disabled at (110): [] srcu_invoke_callbacks+0x158/0x23c\n[ 19.432614] ---[ end trace 0000000000000000 ]---\n\n(cherry picked from commit 61ba791c4a7a09a370c45b70a81b8c7d4cf6b2ae)" } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/gpu/drm/xlnx/zynqmp_dpsub.c" ], "versions": [ { "version": "eb2d64bfcc17", "lessThan": "6ead3eccf67b", "status": "affected", "versionType": "git" }, { "version": "eb2d64bfcc17", "lessThan": "603661357056", "status": "affected", "versionType": "git" }, { "version": "eb2d64bfcc17", "lessThan": "be3f3042391d", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/gpu/drm/xlnx/zynqmp_dpsub.c" ], "versions": [ { "version": "6.2", "status": "affected" }, { "version": "0", "lessThan": "6.2", "status": "unaffected", "versionType": "custom" }, { "version": "6.6.33", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.9.4", "lessThanOrEqual": "6.9.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.10", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/6ead3eccf67bc8318b1ce95ed879b2cc05b4fce9" }, { "url": "https://git.kernel.org/stable/c/603661357056b5e5ba6d86f505fbc936eff396ba" }, { "url": "https://git.kernel.org/stable/c/be3f3042391d061cfca2bd22630e0d101acea5fc" } ], "title": "drm: zynqmp_dpsub: Always register bridge", "x_generator": { "engine": "bippy-c9c4e1df01b2" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2024-06-24T17:03:52.649243Z", "id": "CVE-2024-38664", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-24T17:04:05.592Z" } }, { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T04:12:25.988Z" }, "title": "CVE Program Container", "references": [ { "url": "https://git.kernel.org/stable/c/6ead3eccf67bc8318b1ce95ed879b2cc05b4fce9", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/603661357056b5e5ba6d86f505fbc936eff396ba", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/be3f3042391d061cfca2bd22630e0d101acea5fc", "tags": [ "x_transferred" ] } ] } ] } }