172 lines
9.9 KiB
JSON
172 lines
9.9 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2025-38731",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2025-04-16T04:51:24.033Z",
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"datePublished": "2025-09-05T17:20:30.618Z",
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"dateUpdated": "2026-08-05T12:04:21.683Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"shortName": "Linux",
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"dateUpdated": "2026-08-05T12:04:21.683Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"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 <TASK>\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)"
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}
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],
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"metrics": [
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{
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"cvssV3_1": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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"baseScore": 7.8,
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"baseSeverity": "HIGH"
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},
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"scenarios": [
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{
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"lang": "en",
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"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."
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}
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]
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}
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],
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"affected": [
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "unaffected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/gpu/drm/xe/xe_vm.c"
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],
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"versions": [
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{
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"version": "b43e864af0d4e74636c0e1dee857ce3275a84829",
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"lessThan": "77a946bf1af0e8110ef6e243394217a17f9b7e33",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "b43e864af0d4e74636c0e1dee857ce3275a84829",
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"lessThan": "111fb43a557726079a67ce3ab51f602ddbf7097e",
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"status": "affected",
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"versionType": "git"
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}
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]
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},
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "affected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/gpu/drm/xe/xe_vm.c"
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],
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"versions": [
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{
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"version": "6.15",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "6.15",
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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": "6.16.4",
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"lessThanOrEqual": "6.16.*",
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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": "6.17",
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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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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.15",
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"versionEndExcluding": "6.16.4"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.15",
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"versionEndExcluding": "6.17"
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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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{
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"url": "https://git.kernel.org/stable/c/77a946bf1af0e8110ef6e243394217a17f9b7e33"
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},
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{
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"url": "https://git.kernel.org/stable/c/111fb43a557726079a67ce3ab51f602ddbf7097e"
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}
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],
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"title": "drm/xe: Fix vm_bind_ioctl double free bug",
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"x_generator": {
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"engine": "bippy-1.2.0"
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}
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},
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"adp": [
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"id": "CVE-2025-38731",
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"role": "CISA Coordinator",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "total"
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}
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],
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"version": "2.0.3",
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"timestamp": "2026-06-10T20:41:33.998589Z"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-06-11T18:44:13.755Z"
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}
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}
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]
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}
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} |