CVE-2017-2456: Race Condition

Reference Links

• https://support.apple.com/en-us/HT207617 (Advisory)
• http://www.securityfocus.com/bid/97137
• http://www.securitytracker.com/id/1038138
• https://bugs.chromium.org/p/project-zero/issues/detail?id=1083
• https://support.apple.com/HT207601
• https://support.apple.com/HT207602
• https://support.apple.com/HT207615
• https://support.apple.com/HT207617
• https://www.exploit-db.com/exploits/41778/

Parent vulnerabilities

(Appears in the following advisories)

• HT207617

Peer vulnerabilities

(Found alongside the following vulnerabilities)

• CVE-2017-2397
• CVE-2017-2430
• CVE-2017-2462
• CVE-2017-2379
• CVE-2017-2417
• CVE-2017-2444
• CVE-2017-2435
• CVE-2017-2450
• CVE-2017-2461
• CVE-2017-2414
• CVE-2017-2487
• CVE-2017-2406
• CVE-2017-2407
• CVE-2017-2439
• CVE-2017-2434
• CVE-2017-2428
• CVE-2017-2416
• CVE-2017-2432
• CVE-2017-2467
• CVE-2016-3619
• CVE-2017-2412
• CVE-2017-2491
• CVE-2017-2492
• CVE-2017-2398
• CVE-2017-2401
• CVE-2017-2440
• CVE-2017-2456
• CVE-2017-2472
• CVE-2017-2473
• CVE-2017-2474
• CVE-2017-2478
• CVE-2017-2482
• CVE-2017-2483
• CVE-2017-2490
• CVE-2017-2458
• CVE-2017-2448
• CVE-2017-2390
• CVE-2017-2441
• CVE-2017-5029
• CVE-2017-2399
• CVE-2017-2484
• CVE-2017-2380
• CVE-2017-2404
• CVE-2017-2376
• CVE-2017-2384
• CVE-2017-2389
• CVE-2017-2453
• CVE-2017-2393
• CVE-2017-2400
• CVE-2017-6976
• CVE-2017-2423
• CVE-2017-2451
• CVE-2017-2485
• CVE-2017-2452
• CVE-2017-2378
• CVE-2017-2486
• CVE-2017-2386
• CVE-2017-2394
• CVE-2017-2396
• CVE-2016-9642
• CVE-2017-2395
• CVE-2017-2454
• CVE-2017-2455
• CVE-2017-2457
• CVE-2017-2459
• CVE-2017-2460
• CVE-2017-2464
• CVE-2017-2465
• CVE-2017-2466
• CVE-2017-2468
• CVE-2017-2469
• CVE-2017-2470
• CVE-2017-2476
• CVE-2017-2481
• CVE-2017-2415
• CVE-2017-2419
• CVE-2016-9643
• CVE-2017-2424
• CVE-2017-2433
• CVE-2017-2364
• CVE-2017-2367
• CVE-2017-2445
• CVE-2017-2446
• CVE-2017-2447
• CVE-2017-2463
• CVE-2017-2471
• CVE-2017-2475
• CVE-2017-2479
• CVE-2017-2480
• CVE-2017-2493
• CVE-2017-2442
• CVE-2017-2377
• CVE-2017-2405

Frequently Asked Questions

• What is the severity of CVE-2017-2456?

  CVE-2017-2456 has been assessed with a high severity due to the potential for exploitation leading to unauthorized access or system crashes.

• How do I fix CVE-2017-2456?

  To fix CVE-2017-2456, update your affected Apple device to iOS 10.3, macOS 10.12.4, tvOS 10.2, or watchOS 3.2 or later.

• Which Apple products are affected by CVE-2017-2456?

  CVE-2017-2456 affects iOS prior to 10.3, macOS prior to 10.12.4, tvOS prior to 10.2, and watchOS prior to 3.2.

• What type of issue does CVE-2017-2456 represent?

  CVE-2017-2456 represents a race condition in the kernel that can lead to various vulnerabilities in the affected systems.

• Is there a workaround for CVE-2017-2456?

  There are no specific workarounds for CVE-2017-2456 apart from applying the relevant updates to the affected Apple devices.