{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2025-38731", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-04-16T04:51:24.033Z", "datePublished": "2025-09-05T17:20:30.618Z", "dateUpdated": "2026-08-05T12:04:21.683Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-05T12:04:21.683Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/xe: Fix vm_bind_ioctl double free bug\n\nIf the argument check during an array bind fails, the bind_ops are freed\ntwice as seen below. Fix this by setting bind_ops to NULL after freeing.\n\n==================================================================\nBUG: KASAN: double-free in xe_vm_bind_ioctl+0x1b2/0x21f0 [xe]\nFree of addr ffff88813bb9b800 by task xe_vm/14198\n\nCPU: 5 UID: 0 PID: 14198 Comm: xe_vm Not tainted 6.16.0-xe-eudebug-cmanszew+ #520 PREEMPT(full)\nHardware name: Intel Corporation Alder Lake Client Platform/AlderLake-P DDR5 RVP, BIOS ADLPFWI1.R00.2411.A02.2110081023 10/08/2021\nCall Trace:\n \n dump_stack_lvl+0x82/0xd0\n print_report+0xcb/0x610\n ? __virt_addr_valid+0x19a/0x300\n ? xe_vm_bind_ioctl+0x1b2/0x21f0 [xe]\n kasan_report_invalid_free+0xc8/0xf0\n ? xe_vm_bind_ioctl+0x1b2/0x21f0 [xe]\n ? xe_vm_bind_ioctl+0x1b2/0x21f0 [xe]\n check_slab_allocation+0x102/0x130\n kfree+0x10d/0x440\n ? should_fail_ex+0x57/0x2f0\n ? xe_vm_bind_ioctl+0x1b2/0x21f0 [xe]\n xe_vm_bind_ioctl+0x1b2/0x21f0 [xe]\n ? __pfx_xe_vm_bind_ioctl+0x10/0x10 [xe]\n ? __lock_acquire+0xab9/0x27f0\n ? lock_acquire+0x165/0x300\n ? drm_dev_enter+0x53/0xe0 [drm]\n ? find_held_lock+0x2b/0x80\n ? drm_dev_exit+0x30/0x50 [drm]\n ? drm_ioctl_kernel+0x128/0x1c0 [drm]\n drm_ioctl_kernel+0x128/0x1c0 [drm]\n ? __pfx_xe_vm_bind_ioctl+0x10/0x10 [xe]\n ? find_held_lock+0x2b/0x80\n ? __pfx_drm_ioctl_kernel+0x10/0x10 [drm]\n ? should_fail_ex+0x57/0x2f0\n ? __pfx_xe_vm_bind_ioctl+0x10/0x10 [xe]\n drm_ioctl+0x352/0x620 [drm]\n ? __pfx_drm_ioctl+0x10/0x10 [drm]\n ? __pfx_rpm_resume+0x10/0x10\n ? do_raw_spin_lock+0x11a/0x1b0\n ? find_held_lock+0x2b/0x80\n ? __pm_runtime_resume+0x61/0xc0\n ? rcu_is_watching+0x20/0x50\n ? trace_irq_enable.constprop.0+0xac/0xe0\n xe_drm_ioctl+0x91/0xc0 [xe]\n __x64_sys_ioctl+0xb2/0x100\n ? rcu_is_watching+0x20/0x50\n do_syscall_64+0x68/0x2e0\n entry_SYSCALL_64_after_hwframe+0x76/0x7e\nRIP: 0033:0x7fa9acb24ded\n\n(cherry picked from commit a01b704527c28a2fd43a17a85f8996b75ec8492a)" } ], "metrics": [ { "cvssV3_1": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH" }, "scenarios": [ { "lang": "en", "value": "AV:L - The bug is reached only through the DRM_IOCTL_XE_VM_BIND ioctl on the local Xe GPU render device node; there is no network or remote-peer data path involved.\nAC:L - Triggering is fully deterministic and entirely attacker-controlled — submit an array bind (num_binds > 1) with any invalid bind op; the failed arg check reliably causes the double free with no race or uncontrolled condition.\nPR:L - XE_VM_BIND is DRM_RENDER_ALLOW with no capability/master/auth gate, so any unprivileged local user able to open the GPU render node (typical for the logged-in desktop user) can invoke it.\nUI:N - The attacker triggers the double free entirely through its own ioctl calls; no action by any other user is required.\nS:U - The heap corruption stays within the kernel's own security authority; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - A double-free is a heap-corruption primitive that can be groomed into a use-after-free giving control over freed object contents, enabling arbitrary kernel memory disclosure.\nI:H - The double free corrupts the SLUB freelist, yielding overlapping allocations that provide arbitrary write / control-flow-hijack primitives typical of double-free exploitation.\nA:H - The double free reliably corrupts slab state and causes a kernel panic/oops (immediate on KASAN builds), a full denial of service." } ] } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/gpu/drm/xe/xe_vm.c" ], "versions": [ { "version": "b43e864af0d4e74636c0e1dee857ce3275a84829", "lessThan": "77a946bf1af0e8110ef6e243394217a17f9b7e33", "status": "affected", "versionType": "git" }, { "version": "b43e864af0d4e74636c0e1dee857ce3275a84829", "lessThan": "111fb43a557726079a67ce3ab51f602ddbf7097e", "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/xe/xe_vm.c" ], "versions": [ { "version": "6.15", "status": "affected" }, { "version": "0", "lessThan": "6.15", "status": "unaffected", "versionType": "semver" }, { "version": "6.16.4", "lessThanOrEqual": "6.16.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.17", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.15", "versionEndExcluding": "6.16.4" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.15", "versionEndExcluding": "6.17" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/77a946bf1af0e8110ef6e243394217a17f9b7e33" }, { "url": "https://git.kernel.org/stable/c/111fb43a557726079a67ce3ab51f602ddbf7097e" } ], "title": "drm/xe: Fix vm_bind_ioctl double free bug", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "id": "CVE-2025-38731", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "total" } ], "version": "2.0.3", "timestamp": "2026-06-10T20:41:33.998589Z" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-11T18:44:13.755Z" } } ] } }