{ "schemaVersion": 1, "attribution": [ { "source": "CISA Known Exploited Vulnerabilities", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "licence": "US government work" }, { "source": "GitHub Advisory Database", "url": "https://github.com/advisories", "licence": "CC BY 4.0" }, { "source": "Have I Been Pwned", "url": "https://haveibeenpwned.com/", "licence": "CC BY 4.0" }, { "source": "CVE Program (CVE records)", "url": "https://www.cve.org/Legal/TermsOfUse", "licence": "CVE Terms of Use", "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.", "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." }, { "source": "FIRST EPSS", "url": "https://www.first.org/epss/", "licence": "free to use; FIRST requests attribution" } ], "record": { "id": "CVE-2022-50171", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-50171", "idYear": 2022, "status": "PUBLISHED", "publishedAt": "2025-06-18T11:03:23.710Z", "updatedAt": "2026-08-05T08:57:38.553Z", "importedAt": "2026-10-24T01:56:49.724Z", "snapshot": { "id": "cve_2026-10-24_midnight_baseline", "at": "2026-10-24T00:00:00.000Z", "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z" }, "facts": { "title": "crypto: hisilicon/sec - don't sleep when in softirq", "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: hisilicon/sec - don't sleep when in softirq\n\nWhen kunpeng920 encryption driver is used to deencrypt and decrypt\npackets during the softirq, it is not allowed to use mutex lock. The\nkernel will report the following error:\n\nBUG: scheduling while atomic: swapper/57/0/0x00000300\nCall trace:\ndump_backtrace+0x0/0x1e4\nshow_stack+0x20/0x2c\ndump_stack+0xd8/0x140\n__schedule_bug+0x68/0x80\n__schedule+0x728/0x840\nschedule+0x50/0xe0\nschedule_preempt_disabled+0x18/0x24\n__mutex_lock.constprop.0+0x594/0x5dc\n__mutex_lock_slowpath+0x1c/0x30\nmutex_lock+0x50/0x60\nsec_request_init+0x8c/0x1a0 [hisi_sec2]\nsec_process+0x28/0x1ac [hisi_sec2]\nsec_skcipher_crypto+0xf4/0x1d4 [hisi_sec2]\nsec_skcipher_encrypt+0x1c/0x30 [hisi_sec2]\ncrypto_skcipher_encrypt+0x2c/0x40\ncrypto_authenc_encrypt+0xc8/0xfc [authenc]\ncrypto_aead_encrypt+0x2c/0x40\nechainiv_encrypt+0x144/0x1a0 [echainiv]\ncrypto_aead_encrypt+0x2c/0x40\nesp_output_tail+0x348/0x5c0 [esp4]\nesp_output+0x120/0x19c [esp4]\nxfrm_output_one+0x25c/0x4d4\nxfrm_output_resume+0x6c/0x1fc\nxfrm_output+0xac/0x3c0\nxfrm4_output+0x64/0x130\nip_build_and_send_pkt+0x158/0x20c\ntcp_v4_send_synack+0xdc/0x1f0\ntcp_conn_request+0x7d0/0x994\ntcp_v4_conn_request+0x58/0x6c\ntcp_v6_conn_request+0xf0/0x100\ntcp_rcv_state_process+0x1cc/0xd60\ntcp_v4_do_rcv+0x10c/0x250\ntcp_v4_rcv+0xfc4/0x10a4\nip_protocol_deliver_rcu+0xf4/0x200\nip_local_deliver_finish+0x58/0x70\nip_local_deliver+0x68/0x120\nip_sublist_rcv_finish+0x70/0x94\nip_list_rcv_finish.constprop.0+0x17c/0x1d0\nip_sublist_rcv+0x40/0xb0\nip_list_rcv+0x140/0x1dc\n__netif_receive_skb_list_core+0x154/0x28c\n__netif_receive_skb_list+0x120/0x1a0\nnetif_receive_skb_list_internal+0xe4/0x1f0\nnapi_complete_done+0x70/0x1f0\ngro_cell_poll+0x9c/0xb0\nnapi_poll+0xcc/0x264\nnet_rx_action+0xd4/0x21c\n__do_softirq+0x130/0x358\nirq_exit+0x11c/0x13c\n__handle_domain_irq+0x88/0xf0\ngic_handle_irq+0x78/0x2c0\nel1_irq+0xb8/0x140\narch_cpu_idle+0x18/0x40\ndefault_idle_call+0x5c/0x1c0\ncpuidle_idle_call+0x174/0x1b0\ndo_idle+0xc8/0x160\ncpu_startup_entry+0x30/0x11c\nsecondary_start_kernel+0x158/0x1e4\nsoftirq: huh, entered softirq 3 NET_RX 0000000093774ee4 with\npreempt_count 00000100, exited with fffffe00?", "affected": [ { "vendor": "Linux", "product": "Linux", "defaultStatus": "unaffected", "versions": [ { "version": "416d82204df44ef727de6eafafeaa4d12fdc78dc", "status": "affected", "versionType": "git", "lessThan": "16e18a8ac7c9748cf35a8d2f0ba2c6e8850e7568" }, { "version": "416d82204df44ef727de6eafafeaa4d12fdc78dc", "status": "affected", "versionType": "git", "lessThan": "aa495dfe71229b9034b59d8072ff0b2325ddd5ee" }, { "version": "416d82204df44ef727de6eafafeaa4d12fdc78dc", "status": "affected", "versionType": "git", "lessThan": "4a461ba5b9753352f438824fdd915cba675b1733" }, { "version": "416d82204df44ef727de6eafafeaa4d12fdc78dc", "status": "affected", "versionType": "git", "lessThan": "c9be45e4c69fde36522274f04d1aa0d097ae3958" }, { "version": "416d82204df44ef727de6eafafeaa4d12fdc78dc", "status": "affected", "versionType": "git", "lessThan": "02884a4f12de11f54d4ca67a07dd1f111d96fdbd" } ] }, { "vendor": "Linux", "product": "Linux", "defaultStatus": "affected", "versions": [ { "version": "5.5", "status": "affected" }, { "version": "0", "status": "unaffected", "versionType": "semver", "lessThan": "5.5" }, { "version": "5.10.137", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.10.*" }, { "version": "5.15.61", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.15.*" }, { "version": "5.18.18", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.18.*" }, { "version": "5.19.2", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.19.*" }, { "version": "6.0", "status": "unaffected", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*" } ] } ] } } }