{"answers":{"affected":"","exploited":"There is no known exploitation of CVE-2026-63822 in the wild and no public exploit code.","fix":"Apply the vendor's patch.","what":"CVE-2026-63822 is an use after free vulnerability in Linux, published on 19 Jul 2026. It can only be exploited from the same machine or local network, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2026-63822 and fix it if it is affected.\n\nWhat it is: CVE-2026-63822 is an use after free vulnerability in Linux, published on 19 Jul 2026. It can only be exploited from the same machine or local network, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2026-63822 in the wild and no public exploit code.\n\nAffected product: Linux. No package-level version data is available, so check the vendor advisory linked from the reference page.\n\nTask:\n1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.\n2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.\n3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.\n4. Run the tests and summarise what changed and why.\n5. If nothing in the project is affected, say so and change nothing.\n\nReference: https://insights.sbomify.com/CVE-2026-63822/ (Markdown: https://insights.sbomify.com/CVE-2026-63822/index.md)","id":"CVE-2026-63822","markdown":"https://insights.sbomify.com/CVE-2026-63822/index.md","name":"CVE-2026-63822","record":{"aliases":["BELL-CVE-2026-63822","DEBIAN-CVE-2026-63822","GHSA-783h-g799-4r2q","ROOT-OS-DEBIAN-11-CVE-2026-63822","ROOT-OS-UBUNTU-2204-CVE-2026-63822","UBUNTU-CVE-2026-63822"],"analysis":{"component_type":"kernel","fix_type":"patch","impacts":["denial_of_service"],"network_reachable":"adjacent_or_local","non_default_config":false,"product_category":"Linux kernel driver","requires_auth":"none","summary":"A double-free vulnerability in the ath11k Wi-Fi driver can cause a kernel warning and potential denial of service when unbinding the device after a firmware initialization error.","user_interaction":"not_required","vuln_class":"use_after_free"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"Linux","cpe":[],"cvss":{"score":null,"severity":null,"source":null,"vector":null,"version":null},"cwes":[],"description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath11k: fix warning when unbinding\n\nIf there is an error during some initialization related to firmware,\nthe buffers dp-\u003etx_ring[i].tx_status are released.\nHowever this is released again when the device is unbinded (ath11k_pci),\nand we get:\nWARNING: CPU: 0 PID: 6231 at mm/slub.c:4368 free_large_kmalloc+0x57/0x90\nCall Trace:\nfree_large_kmalloc\nath11k_dp_free\nath11k_core_deinit\nath11k_pci_remove\n...\n\nThe issue is always reproducible from a VM because the MSI addressing\ninitialization is failing.\n\nIn order to fix the issue, just set the buffers to NULL after releasing in\norder to avoid the double free.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":true,"headline":"wifi: ath11k: fix warning when unbinding","id":"CVE-2026-63822","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"use_after_free","year":"2026"},"n_packages":0,"n_references":8,"next":{"headline":"keys: Pin request_key_auth payload in instantiate paths","id":"CVE-2026-63823"},"packages":[],"prev":{"headline":"wifi: rtw88: usb: fix memory leaks on USB write failures","id":"CVE-2026-63821"},"products":["Linux"],"published":"2026-07-19","related":[],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"}],"ssvc":{"automatable":null,"exploitation":null,"technical_impact":null},"state":"PUBLISHED","updated":"2026-08-17","vendors":["Linux"]},"summary":"A double-free vulnerability in the ath11k Wi-Fi driver can cause a kernel warning and potential denial of service when unbinding the device after a firmware initialization error.","url":"https://insights.sbomify.com/CVE-2026-63822/"}