{"id":"CVE-2025-39722","state":"PUBLISHED","title":"crypto: caam - Prevent crash on suspend with iMX8QM / iMX8ULP","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: caam - Prevent crash on suspend with iMX8QM / iMX8ULP\n\nSince the CAAM on these SoCs is managed by another ARM core, called the\nSECO (Security Controller) on iMX8QM and Secure Enclave on iMX8ULP, which\nalso reserves access to register page 0 suspend operations cannot touch\nthis page.\n\nThis is similar to when running OPTEE, where OPTEE will reserve page 0.\n\nTrack this situation using a new state variable no_page0, reflecting if\npage 0 is reserved elsewhere, either by other management cores in SoC or\nby OPTEE.\n\nReplace the optee_en check in suspend/resume with the new check.\n\noptee_en cannot go away as it's needed elsewhere to gate OPTEE specific\nsituations.\n\nFixes the following splat at suspend:\n\n    Internal error: synchronous external abort: 0000000096000010 [#1] SMP\n    Hardware name: Freescale i.MX8QXP ACU6C (DT)\n    pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)\n    pc : readl+0x0/0x18\n    lr : rd_reg32+0x18/0x3c\n    sp : ffffffc08192ba20\n    x29: ffffffc08192ba20 x28: ffffff8025190000 x27: 0000000000000000\n    x26: ffffffc0808ae808 x25: ffffffc080922338 x24: ffffff8020e89090\n    x23: 0000000000000000 x22: ffffffc080922000 x21: ffffff8020e89010\n    x20: ffffffc080387ef8 x19: ffffff8020e89010 x18: 000000005d8000d5\n    x17: 0000000030f35963 x16: 000000008f785f3f x15: 000000003b8ef57c\n    x14: 00000000c418aef8 x13: 00000000f5fea526 x12: 0000000000000001\n    x11: 0000000000000002 x10: 0000000000000001 x9 : 0000000000000000\n    x8 : ffffff8025190870 x7 : ffffff8021726880 x6 : 0000000000000002\n    x5 : ffffff80217268f0 x4 : ffffff8021726880 x3 : ffffffc081200000\n    x2 : 0000000000000001 x1 : ffffff8020e89010 x0 : ffffffc081200004\n    Call trace:\n     readl+0x0/0x18\n     caam_ctrl_suspend+0x30/0xdc\n     dpm_run_callback.constprop.0+0x24/0x5c\n     device_suspend+0x170/0x2e8\n     dpm_suspend+0xa0/0x104\n     dpm_suspend_start+0x48/0x50\n     suspend_devices_and_enter+0x7c/0x45c\n     pm_suspend+0x148/0x160\n     state_store+0xb4/0xf8\n     kobj_attr_store+0x14/0x24\n     sysfs_kf_write+0x38/0x48\n     kernfs_fop_write_iter+0xb4/0x178\n     vfs_write+0x118/0x178\n     ksys_write+0x6c/0xd0\n     __arm64_sys_write+0x14/0x1c\n     invoke_syscall.constprop.0+0x64/0xb0\n     do_el0_svc+0x90/0xb0\n     el0_svc+0x18/0x44\n     el0t_64_sync_handler+0x88/0x124\n     el0t_64_sync+0x150/0x154\n    Code: 88dffc21 88dffc21 5ac00800 d65f03c0 (b9400000)","publishedAt":"2025-09-05T17:21:29.924Z","updatedAt":"2026-05-11T21:34:59.798Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"d2835701d93cae6d597672ef9dc3fa889867031a","status":"affected","lessThan":"f9534674ce53f133c91c272f091f0242932574ae","versionType":"git"},{"version":"d2835701d93cae6d597672ef9dc3fa889867031a","status":"affected","lessThan":"488ed465e579a20485f38080e4ef8b90b69ef7c0","versionType":"git"},{"version":"d2835701d93cae6d597672ef9dc3fa889867031a","status":"affected","lessThan":"5ffc47feddcf8eb4d8ac7b42111a02c8e8146512","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/crypto/caam/ctrl.c","drivers/crypto/caam/intern.h"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.10","versionType":"semver"},{"version":"6.12.44","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.16.4","status":"unaffected","lessThanOrEqual":"6.16.*","versionType":"semver"},{"version":"6.17","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/crypto/caam/ctrl.c","drivers/crypto/caam/intern.h"]}],"references":["https://git.kernel.org/stable/c/f9534674ce53f133c91c272f091f0242932574ae","https://git.kernel.org/stable/c/488ed465e579a20485f38080e4ef8b90b69ef7c0","https://git.kernel.org/stable/c/5ffc47feddcf8eb4d8ac7b42111a02c8e8146512"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:09.358Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/39xxx/CVE-2025-39722.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-39722","state":"PUBLISHED","datePublished":"2025-09-05T17:21:29.924Z","dateUpdated":"2026-05-11T21:34:59.798Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-04-16T07:20:57.117Z"},"containers":{"cna":{"title":"crypto: caam - Prevent crash on suspend with iMX8QM / iMX8ULP","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: caam - Prevent crash on suspend with iMX8QM / iMX8ULP\n\nSince the CAAM on these SoCs is managed by another ARM core, called the\nSECO (Security Controller) on iMX8QM and Secure Enclave on iMX8ULP, which\nalso reserves access to register page 0 suspend operations cannot touch\nthis page.\n\nThis is similar to when running OPTEE, where OPTEE will reserve page 0.\n\nTrack this situation using a new state variable no_page0, reflecting if\npage 0 is reserved elsewhere, either by other management cores in SoC or\nby OPTEE.\n\nReplace the optee_en check in suspend/resume with the new check.\n\noptee_en cannot go away as it's needed elsewhere to gate OPTEE specific\nsituations.\n\nFixes the following splat at suspend:\n\n    Internal error: synchronous external abort: 0000000096000010 [#1] SMP\n    Hardware name: Freescale i.MX8QXP ACU6C (DT)\n    pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)\n    pc : readl+0x0/0x18\n    lr : rd_reg32+0x18/0x3c\n    sp : ffffffc08192ba20\n    x29: ffffffc08192ba20 x28: ffffff8025190000 x27: 0000000000000000\n    x26: ffffffc0808ae808 x25: ffffffc080922338 x24: ffffff8020e89090\n    x23: 0000000000000000 x22: ffffffc080922000 x21: ffffff8020e89010\n    x20: ffffffc080387ef8 x19: ffffff8020e89010 x18: 000000005d8000d5\n    x17: 0000000030f35963 x16: 000000008f785f3f x15: 000000003b8ef57c\n    x14: 00000000c418aef8 x13: 00000000f5fea526 x12: 0000000000000001\n    x11: 0000000000000002 x10: 0000000000000001 x9 : 0000000000000000\n    x8 : ffffff8025190870 x7 : ffffff8021726880 x6 : 0000000000000002\n    x5 : ffffff80217268f0 x4 : ffffff8021726880 x3 : ffffffc081200000\n    x2 : 0000000000000001 x1 : ffffff8020e89010 x0 : ffffffc081200004\n    Call trace:\n     readl+0x0/0x18\n     caam_ctrl_suspend+0x30/0xdc\n     dpm_run_callback.constprop.0+0x24/0x5c\n     device_suspend+0x170/0x2e8\n     dpm_suspend+0xa0/0x104\n     dpm_suspend_start+0x48/0x50\n     suspend_devices_and_enter+0x7c/0x45c\n     pm_suspend+0x148/0x160\n     state_store+0xb4/0xf8\n     kobj_attr_store+0x14/0x24\n     sysfs_kf_write+0x38/0x48\n     kernfs_fop_write_iter+0xb4/0x178\n     vfs_write+0x118/0x178\n     ksys_write+0x6c/0xd0\n     __arm64_sys_write+0x14/0x1c\n     invoke_syscall.constprop.0+0x64/0xb0\n     do_el0_svc+0x90/0xb0\n     el0_svc+0x18/0x44\n     el0t_64_sync_handler+0x88/0x124\n     el0t_64_sync+0x150/0x154\n    Code: 88dffc21 88dffc21 5ac00800 d65f03c0 (b9400000)"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"d2835701d93cae6d597672ef9dc3fa889867031a","status":"affected","lessThan":"f9534674ce53f133c91c272f091f0242932574ae","versionType":"git"},{"version":"d2835701d93cae6d597672ef9dc3fa889867031a","status":"affected","lessThan":"488ed465e579a20485f38080e4ef8b90b69ef7c0","versionType":"git"},{"version":"d2835701d93cae6d597672ef9dc3fa889867031a","status":"affected","lessThan":"5ffc47feddcf8eb4d8ac7b42111a02c8e8146512","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/crypto/caam/ctrl.c","drivers/crypto/caam/intern.h"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.10","versionType":"semver"},{"version":"6.12.44","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.16.4","status":"unaffected","lessThanOrEqual":"6.16.*","versionType":"semver"},{"version":"6.17","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/crypto/caam/ctrl.c","drivers/crypto/caam/intern.h"]}],"references":[{"url":"https://git.kernel.org/stable/c/f9534674ce53f133c91c272f091f0242932574ae"},{"url":"https://git.kernel.org/stable/c/488ed465e579a20485f38080e4ef8b90b69ef7c0"},{"url":"https://git.kernel.org/stable/c/5ffc47feddcf8eb4d8ac7b42111a02c8e8146512"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T21:34:59.798Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.10","versionEndExcluding":"6.12.44"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.10","versionEndExcluding":"6.16.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.10","versionEndExcluding":"6.17"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}