| { |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "descriptions": [ |
| { |
| "lang": "en", |
| "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/xe: Prevent null pointer access in xe_migrate_copy\n\nxe_migrate_copy designed to copy content of TTM resources. When source\nresource is null, it will trigger a NULL pointer dereference in\nxe_migrate_copy. To avoid this situation, update lacks source flag to\ntrue for this case, the flag will trigger xe_migrate_clear rather than\nxe_migrate_copy.\n\nIssue trace:\n<7> [317.089847] xe 0000:00:02.0: [drm:xe_migrate_copy [xe]] Pass 14,\n sizes: 4194304 & 4194304\n<7> [317.089945] xe 0000:00:02.0: [drm:xe_migrate_copy [xe]] Pass 15,\n sizes: 4194304 & 4194304\n<1> [317.128055] BUG: kernel NULL pointer dereference, address:\n 0000000000000010\n<1> [317.128064] #PF: supervisor read access in kernel mode\n<1> [317.128066] #PF: error_code(0x0000) - not-present page\n<6> [317.128069] PGD 0 P4D 0\n<4> [317.128071] Oops: Oops: 0000 [#1] PREEMPT SMP NOPTI\n<4> [317.128074] CPU: 1 UID: 0 PID: 1440 Comm: kunit_try_catch Tainted:\n G U N 6.11.0-rc7-xe #1\n<4> [317.128078] Tainted: [U]=USER, [N]=TEST\n<4> [317.128080] Hardware name: Intel Corporation Lunar Lake Client\n Platform/LNL-M LP5 RVP1, BIOS LNLMFWI1.R00.3221.D80.2407291239 07/29/2024\n<4> [317.128082] RIP: 0010:xe_migrate_copy+0x66/0x13e0 [xe]\n<4> [317.128158] Code: 00 00 48 89 8d e0 fe ff ff 48 8b 40 10 4c 89 85 c8\n fe ff ff 44 88 8d bd fe ff ff 65 48 8b 3c 25 28 00 00 00 48 89 7d d0 31\n ff <8b> 79 10 48 89 85 a0 fe ff ff 48 8b 00 48 89 b5 d8 fe ff ff 83 ff\n<4> [317.128162] RSP: 0018:ffffc9000167f9f0 EFLAGS: 00010246\n<4> [317.128164] RAX: ffff8881120d8028 RBX: ffff88814d070428 RCX:\n 0000000000000000\n<4> [317.128166] RDX: ffff88813cb99c00 RSI: 0000000004000000 RDI:\n 0000000000000000\n<4> [317.128168] RBP: ffffc9000167fbb8 R08: ffff88814e7b1f08 R09:\n 0000000000000001\n<4> [317.128170] R10: 0000000000000001 R11: 0000000000000001 R12:\n ffff88814e7b1f08\n<4> [317.128172] R13: ffff88814e7b1f08 R14: ffff88813cb99c00 R15:\n 0000000000000001\n<4> [317.128174] FS: 0000000000000000(0000) GS:ffff88846f280000(0000)\n knlGS:0000000000000000\n<4> [317.128176] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n<4> [317.128178] CR2: 0000000000000010 CR3: 000000011f676004 CR4:\n 0000000000770ef0\n<4> [317.128180] DR0: 0000000000000000 DR1: 0000000000000000 DR2:\n 0000000000000000\n<4> [317.128182] DR3: 0000000000000000 DR6: 00000000ffff07f0 DR7:\n 0000000000000400\n<4> [317.128184] PKRU: 55555554\n<4> [317.128185] Call Trace:\n<4> [317.128187] <TASK>\n<4> [317.128189] ? show_regs+0x67/0x70\n<4> [317.128194] ? __die_body+0x20/0x70\n<4> [317.128196] ? __die+0x2b/0x40\n<4> [317.128198] ? page_fault_oops+0x15f/0x4e0\n<4> [317.128203] ? do_user_addr_fault+0x3fb/0x970\n<4> [317.128205] ? lock_acquire+0xc7/0x2e0\n<4> [317.128209] ? exc_page_fault+0x87/0x2b0\n<4> [317.128212] ? asm_exc_page_fault+0x27/0x30\n<4> [317.128216] ? xe_migrate_copy+0x66/0x13e0 [xe]\n<4> [317.128263] ? __lock_acquire+0xb9d/0x26f0\n<4> [317.128265] ? __lock_acquire+0xb9d/0x26f0\n<4> [317.128267] ? sg_free_append_table+0x20/0x80\n<4> [317.128271] ? lock_acquire+0xc7/0x2e0\n<4> [317.128273] ? mark_held_locks+0x4d/0x80\n<4> [317.128275] ? trace_hardirqs_on+0x1e/0xd0\n<4> [317.128278] ? _raw_spin_unlock_irqrestore+0x31/0x60\n<4> [317.128281] ? __pm_runtime_resume+0x60/0xa0\n<4> [317.128284] xe_bo_move+0x682/0xc50 [xe]\n<4> [317.128315] ? lock_is_held_type+0xaa/0x120\n<4> [317.128318] ttm_bo_handle_move_mem+0xe5/0x1a0 [ttm]\n<4> [317.128324] ttm_bo_validate+0xd1/0x1a0 [ttm]\n<4> [317.128328] shrink_test_run_device+0x721/0xc10 [xe]\n<4> [317.128360] ? find_held_lock+0x31/0x90\n<4> [317.128363] ? lock_release+0xd1/0x2a0\n<4> [317.128365] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10\n [kunit]\n<4> [317.128370] xe_bo_shrink_kunit+0x11/0x20 [xe]\n<4> [317.128397] kunit_try_run_case+0x6e/0x150 [kunit]\n<4> [317.128400] ? trace_hardirqs_on+0x1e/0xd0\n<4> [317.128402] ? _raw_spin_unlock_irqrestore+0x31/0x60\n<4> [317.128404] kunit_generic_run_threadfn_adapter+0x1e/0x40 [ku\n---truncated---" |
| } |
| ], |
| "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_bo.c" |
| ], |
| "versions": [ |
| { |
| "version": "266c85885263022954928b125d46ab7a78c77a69", |
| "lessThan": "16e0267db156f8a4ea16bfb3ac3f5743c9698df3", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "266c85885263022954928b125d46ab7a78c77a69", |
| "lessThan": "8f5199b6971f0717c2d31685953971fa2e1b9e1a", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "266c85885263022954928b125d46ab7a78c77a69", |
| "lessThan": "7257d9c9a3c6cfe26c428e9b7ae21d61f2f55a79", |
| "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_bo.c" |
| ], |
| "versions": [ |
| { |
| "version": "6.8", |
| "status": "affected" |
| }, |
| { |
| "version": "0", |
| "lessThan": "6.8", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.10.14", |
| "lessThanOrEqual": "6.10.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.11.3", |
| "lessThanOrEqual": "6.11.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.12", |
| "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": "6.8", |
| "versionEndExcluding": "6.10.14" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.8", |
| "versionEndExcluding": "6.11.3" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.8", |
| "versionEndExcluding": "6.12" |
| } |
| ] |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/16e0267db156f8a4ea16bfb3ac3f5743c9698df3" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/8f5199b6971f0717c2d31685953971fa2e1b9e1a" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/7257d9c9a3c6cfe26c428e9b7ae21d61f2f55a79" |
| } |
| ], |
| "title": "drm/xe: Prevent null pointer access in xe_migrate_copy", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2024-49942", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
