{ "document": { "aggregate_severity": { "text": "High" }, "category": "csaf_vex", "csaf_version": "2.0", "distribution": { "text": "TuxCare License Agreement", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "publisher": { "category": "vendor", "contact_details": "https://tuxcare.com/contact/", "name": "TuxCare", "namespace": "https://tuxcare.com/" }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://security.tuxcare.com/csaf/v2/els_os/centos8.5els/vex/2022/cve-2022-49519-els_os-centos8_5els.json" } ], "title": "Security update on CVE-2022-49519", "tracking": { "current_release_date": "2025-12-23T22:15:38Z", "generator": { "date": "2025-12-23T22:15:38Z", "engine": { "name": "pyCSAF" } }, "id": "CVE-2022-49519-ELS_OS-CENTOS8.5ELS", "initial_release_date": "2022-01-01T00:00:00Z", "revision_history": [ { "date": "2022-01-01T00:00:00Z", "number": "1", "summary": "Initial version" }, { "date": "2025-11-21T14:27:27Z", "number": "2", "summary": "Official Publication" }, { "date": "2025-12-23T22:15:38Z", "number": "3", "summary": "Update document" } ], "status": "final", "version": "2" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Community Enterprise Operating System 8.5", "product": { "name": "Community Enterprise Operating System 8.5", "product_id": "CentOS-8.5", "product_identification_helper": { "cpe": "cpe:2.3:o:centos:centos:8.5:*:*:*:*:*:*:*" } } } ], "category": "product_family", "name": "Community Enterprise Operating System" } ], "category": "vendor", "name": "Red Hat, Inc." }, { "branches": [ { "branches": [ { "category": "product_version", "name": "kernel-tools-libs-devel-0:4.18.0-348.7.1.el8_5.tuxcare.els32.x86_64", "product": { "name": "kernel-tools-libs-devel-0:4.18.0-348.7.1.el8_5.tuxcare.els32.x86_64", "product_id": "kernel-tools-libs-devel-0:4.18.0-348.7.1.el8_5.tuxcare.els32.x86_64", "product_identification_helper": { 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"relates_to_product_reference": "CentOS-8.5" }, { "category": "default_component_of", "full_product_name": { "name": "kernel-4.18.0-348.7.1.el8_5.x86_64 as a component of Community Enterprise Operating System 8.5", "product_id": "CentOS-8.5:kernel-4.18.0-348.7.1.el8_5.x86_64" }, "product_reference": "kernel-4.18.0-348.7.1.el8_5.x86_64", "relates_to_product_reference": "CentOS-8.5" } ] }, "vulnerabilities": [ { "cve": "CVE-2022-49519", "cwe": { "id": "CWE-415", "name": "Double Free" }, "notes": [ { "category": "description", "text": "In the Linux kernel, the following vulnerability has been resolved:\n\nath10k: skip ath10k_halt during suspend for driver state RESTARTING\n\nDouble free crash is observed when FW recovery(caused by wmi\ntimeout/crash) is followed by immediate suspend event. The FW recovery\nis triggered by ath10k_core_restart() which calls driver clean up via\nath10k_halt(). When the suspend event occurs between the FW recovery,\nthe restart worker thread is put into frozen state until suspend completes.\nThe suspend event triggers ath10k_stop() which again triggers ath10k_halt()\nThe double invocation of ath10k_halt() causes ath10k_htt_rx_free() to be\ncalled twice(Note: ath10k_htt_rx_alloc was not called by restart worker\nthread because of its frozen state), causing the crash.\n\nTo fix this, during the suspend flow, skip call to ath10k_halt() in\nath10k_stop() when the current driver state is ATH10K_STATE_RESTARTING.\nAlso, for driver state ATH10K_STATE_RESTARTING, call\nath10k_wait_for_suspend() in ath10k_stop(). This is because call to\nath10k_wait_for_suspend() is skipped later in\n[ath10k_halt() > ath10k_core_stop()] for the driver state\nATH10K_STATE_RESTARTING.\n\nThe frozen restart worker thread will be cancelled during resume when the\ndevice comes out of suspend.\n\nBelow is the crash stack for reference:\n\n[ 428.469167] ------------[ cut here ]------------\n[ 428.469180] kernel BUG at mm/slub.c:4150!\n[ 428.469193] invalid opcode: 0000 [#1] PREEMPT SMP NOPTI\n[ 428.469219] Workqueue: events_unbound async_run_entry_fn\n[ 428.469230] RIP: 0010:kfree+0x319/0x31b\n[ 428.469241] RSP: 0018:ffffa1fac015fc30 EFLAGS: 00010246\n[ 428.469247] RAX: ffffedb10419d108 RBX: ffff8c05262b0000\n[ 428.469252] RDX: ffff8c04a8c07000 RSI: 0000000000000000\n[ 428.469256] RBP: ffffa1fac015fc78 R08: 0000000000000000\n[ 428.469276] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[ 428.469285] Call Trace:\n[ 428.469295] ? dma_free_attrs+0x5f/0x7d\n[ 428.469320] ath10k_core_stop+0x5b/0x6f\n[ 428.469336] ath10k_halt+0x126/0x177\n[ 428.469352] ath10k_stop+0x41/0x7e\n[ 428.469387] drv_stop+0x88/0x10e\n[ 428.469410] __ieee80211_suspend+0x297/0x411\n[ 428.469441] rdev_suspend+0x6e/0xd0\n[ 428.469462] wiphy_suspend+0xb1/0x105\n[ 428.469483] ? name_show+0x2d/0x2d\n[ 428.469490] dpm_run_callback+0x8c/0x126\n[ 428.469511] ? name_show+0x2d/0x2d\n[ 428.469517] __device_suspend+0x2e7/0x41b\n[ 428.469523] async_suspend+0x1f/0x93\n[ 428.469529] async_run_entry_fn+0x3d/0xd1\n[ 428.469535] process_one_work+0x1b1/0x329\n[ 428.469541] worker_thread+0x213/0x372\n[ 428.469547] kthread+0x150/0x15f\n[ 428.469552] ? pr_cont_work+0x58/0x58\n[ 428.469558] ? kthread_blkcg+0x31/0x31\n\nTested-on: QCA6174 hw3.2 PCI WLAN.RM.4.4.1-00288-QCARMSWPZ-1", "title": "Vulnerability description" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "CentOS-8.5:bpftool-0:4.18.0-348.7.1.el8_5.tuxcare.els32.x86_64", "CentOS-8.5:kernel-0:4.18.0-348.7.1.el8_5.tuxcare.els32.x86_64", "CentOS-8.5:kernel-core-0:4.18.0-348.7.1.el8_5.tuxcare.els32.x86_64", "CentOS-8.5:kernel-cross-headers-0:4.18.0-348.7.1.el8_5.tuxcare.els32.x86_64", "CentOS-8.5:kernel-debug-0:4.18.0-348.7.1.el8_5.tuxcare.els32.x86_64", "CentOS-8.5:kernel-debug-core-0:4.18.0-348.7.1.el8_5.tuxcare.els32.x86_64", "CentOS-8.5:kernel-debug-devel-0:4.18.0-348.7.1.el8_5.tuxcare.els32.x86_64", "CentOS-8.5:kernel-debug-modules-0:4.18.0-348.7.1.el8_5.tuxcare.els32.x86_64", "CentOS-8.5:kernel-debug-modules-extra-0:4.18.0-348.7.1.el8_5.tuxcare.els32.x86_64", "CentOS-8.5:kernel-debug-modules-internal-0:4.18.0-348.7.1.el8_5.tuxcare.els32.x86_64", "CentOS-8.5:kernel-devel-0:4.18.0-348.7.1.el8_5.tuxcare.els32.x86_64", "CentOS-8.5:kernel-headers-0:4.18.0-348.7.1.el8_5.tuxcare.els32.x86_64", 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"https://git.kernel.org/stable/c/b72a4aff947ba807177bdabb43debaf2c66bee05", "url": "https://git.kernel.org/stable/c/b72a4aff947ba807177bdabb43debaf2c66bee05" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/c2272428090d0d215a3f017cbbbad731c07eee53", "url": "https://git.kernel.org/stable/c/c2272428090d0d215a3f017cbbbad731c07eee53" } ], "release_date": "2025-02-26T07:01:00Z", "remediations": [ { "category": "none_available", "details": "Affected", "product_ids": [ "CentOS-8.5:bpftool-4.18.0-348.7.1.el8_5.x86_64", "CentOS-8.5:kernel-4.18.0-348.7.1.el8_5.x86_64", "CentOS-8.5:kernel-core-4.18.0-348.7.1.el8_5.x86_64", "CentOS-8.5:kernel-cross-headers-4.18.0-348.7.1.el8_5.x86_64", "CentOS-8.5:kernel-debug-4.18.0-348.7.1.el8_5.x86_64", "CentOS-8.5:kernel-debug-core-4.18.0-348.7.1.el8_5.x86_64", "CentOS-8.5:kernel-debug-devel-4.18.0-348.7.1.el8_5.x86_64", "CentOS-8.5:kernel-debug-modules-4.18.0-348.7.1.el8_5.x86_64", 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"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1" }, "products": [ "CentOS-8.5:bpftool-0:4.18.0-348.7.1.el8_5.tuxcare.els32.x86_64", "CentOS-8.5:bpftool-4.18.0-348.7.1.el8_5.x86_64", "CentOS-8.5:kernel-0:4.18.0-348.7.1.el8_5.tuxcare.els32.x86_64", "CentOS-8.5:kernel-4.18.0-348.7.1.el8_5.x86_64", "CentOS-8.5:kernel-core-0:4.18.0-348.7.1.el8_5.tuxcare.els32.x86_64", "CentOS-8.5:kernel-core-4.18.0-348.7.1.el8_5.x86_64", "CentOS-8.5:kernel-cross-headers-0:4.18.0-348.7.1.el8_5.tuxcare.els32.x86_64", "CentOS-8.5:kernel-cross-headers-4.18.0-348.7.1.el8_5.x86_64", "CentOS-8.5:kernel-debug-0:4.18.0-348.7.1.el8_5.tuxcare.els32.x86_64", "CentOS-8.5:kernel-debug-4.18.0-348.7.1.el8_5.x86_64", "CentOS-8.5:kernel-debug-core-0:4.18.0-348.7.1.el8_5.tuxcare.els32.x86_64", 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