{"cve":{"cve_id":"CVE-2026-53242","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":null,"epss_percentile":null,"epss_as_of":null,"description":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: PCM: Fix wait queue list corruption in snd_pcm_drain() on linked streams\n\nsnd_pcm_drain() uses init_waitqueue_entry which does not clear\nentry.prev/next, and add_wait_queue with a conditional\nremove_wait_queue that is skipped when to_check is no longer\nin the group after concurrent UNLINK.  The orphaned wait entry\nremains on the unlinked substream sleep queue.  On the next\ndrain iteration, add_wait_queue adds the entry to a new queue\nwhile still linked on the old one, corrupting both lists.  A\nsubsequent wake_up dereferences NULL at the func pointer\n(mapped from the spinlock at offset 0 of the misinterpreted\nwait_queue_head_t), causing a kernel panic.\n\nReplace init_waitqueue_entry/add_wait_queue/conditional\nremove_wait_queue with init_wait_entry/prepare_to_wait/\nfinish_wait.  init_wait_entry clears prev/next via\nINIT_LIST_HEAD on each iteration and sets\nautoremove_wake_function which auto-removes the entry on\nwake-up.  finish_wait safely handles both the already-removed\nand still-queued cases.","published_at":"2026-06-25T08:39:37.129000Z","last_modified_at":null,"cvss_v3_score":7.8,"cvss_v3_vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cvss_v3_severity":"HIGH","cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":null,"nvd_references":["https://git.kernel.org/stable/c/cac5bf3500ee6422cf64e0df0b5daeecfed42917","https://git.kernel.org/stable/c/d842f26a167e77a36f3ed333b9fa99d36ef99fe6","https://git.kernel.org/stable/c/d68b621bb5a48051932f1017a6e1bc9b18f854d0","https://git.kernel.org/stable/c/b053fcd8912f06c30f932f5b8ec41c72de474695","https://git.kernel.org/stable/c/cd98837db15f323463b8df07282ac723bd5c3fed","https://git.kernel.org/stable/c/7c71a9522555ff137a9ca36b15d759ca04d84788","https://git.kernel.org/stable/c/88fe2e3658726cb21ff2dcf9770bf672f9b9d31b"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-28T17:55:28.590503Z","updated_at":"2026-06-28T23:30:51.545322Z"},"effective_severity":"HIGH","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"L","value_label":"Local"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"PR","name":"Privileges Required","value":"L","value_label":"Low"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"S","name":"Scope","value":"U","value_label":"Unchanged"},{"metric":"C","name":"Confidentiality","value":"H","value_label":"High"},{"metric":"I","name":"Integrity","value":"H","value_label":"High"},{"metric":"A","name":"Availability","value":"H","value_label":"High"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"9baee36e8c5443411c4629afabafaff8a46a23fd","version_start_inclusive":true,"version_end":"cac5bf3500ee6422cf64e0df0b5daeecfed42917","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:9baee36e8c5443411c4629afabafaff8a46a23fd:cac5bf3500ee6422cf64e0df0b5daeecfed42917"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"fc71f888994569f87d5bee20b1ac6c9c1e3a7a79","version_start_inclusive":true,"version_end":"d842f26a167e77a36f3ed333b9fa99d36ef99fe6","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:fc71f888994569f87d5bee20b1ac6c9c1e3a7a79:d842f26a167e77a36f3ed333b9fa99d36ef99fe6"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"629cf09464cf98670996ea5c191dc9743e6f3f00","version_start_inclusive":true,"version_end":"d68b621bb5a48051932f1017a6e1bc9b18f854d0","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:629cf09464cf98670996ea5c191dc9743e6f3f00:d68b621bb5a48051932f1017a6e1bc9b18f854d0"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"ae8f8d30d334bad5b1b3cdb1eb8a0b771f55e432","version_start_inclusive":true,"version_end":"b053fcd8912f06c30f932f5b8ec41c72de474695","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:ae8f8d30d334bad5b1b3cdb1eb8a0b771f55e432:b053fcd8912f06c30f932f5b8ec41c72de474695"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"4a758e9a1f5ed722f83c4dd35f867fe811553bcb","version_start_inclusive":true,"version_end":"cd98837db15f323463b8df07282ac723bd5c3fed","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:4a758e9a1f5ed722f83c4dd35f867fe811553bcb:cd98837db15f323463b8df07282ac723bd5c3fed"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"9b1dbd69ba6f8f8c69bc7b77c2ce3b9c6ed05ba6","version_start_inclusive":true,"version_end":"7c71a9522555ff137a9ca36b15d759ca04d84788","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:9b1dbd69ba6f8f8c69bc7b77c2ce3b9c6ed05ba6:7c71a9522555ff137a9ca36b15d759ca04d84788"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"9b1dbd69ba6f8f8c69bc7b77c2ce3b9c6ed05ba6","version_start_inclusive":true,"version_end":"88fe2e3658726cb21ff2dcf9770bf672f9b9d31b","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:9b1dbd69ba6f8f8c69bc7b77c2ce3b9c6ed05ba6:88fe2e3658726cb21ff2dcf9770bf672f9b9d31b"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"c2f64e05a0587a83ec42dbd6b7a7ded79b2ff694","version_start_inclusive":true,"version_end":"c2f64e05a0587a83ec42dbd6b7a7ded79b2ff694","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:c2f64e05a0587a83ec42dbd6b7a7ded79b2ff694:c2f64e05a0587a83ec42dbd6b7a7ded79b2ff694"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"5.10.253","version_start_inclusive":true,"version_end":"5.10.259","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:5.10.253:5.10.259"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6.1.167","version_start_inclusive":true,"version_end":"6.1.176","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:6.1.167:6.1.176"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6.6.130","version_start_inclusive":true,"version_end":"6.6.143","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:6.6.130:6.6.143"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6.12.78","version_start_inclusive":true,"version_end":"6.12.94","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:6.12.78:6.12.94"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6.18.19","version_start_inclusive":true,"version_end":"6.18.36","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:6.18.19:6.18.36"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6.19.9","version_start_inclusive":true,"version_end":"6.20","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:6.19.9:6.20"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"7.0","version_start_inclusive":true,"version_end":"7.0","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:7.0:7.0"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"0","version_start_inclusive":true,"version_end":"7.0","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:0:7.0"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"5.10.259","version_start_inclusive":true,"version_end":"5.10.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:5.10.259:5.10.*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6.1.176","version_start_inclusive":true,"version_end":"6.1.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:6.1.176:6.1.*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6.6.143","version_start_inclusive":true,"version_end":"6.6.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:6.6.143:6.6.*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6.12.94","version_start_inclusive":true,"version_end":"6.12.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:6.12.94:6.12.*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6.18.36","version_start_inclusive":true,"version_end":"6.18.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:6.18.36:6.18.*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"7.0.13","version_start_inclusive":true,"version_end":"7.0.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:7.0.13:7.0.*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"7.1","version_start_inclusive":true,"version_end":"*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:7.1:*"}],"exploit_refs":[],"news":[],"references":[{"url":"https://git.kernel.org/stable/c/cac5bf3500ee6422cf64e0df0b5daeecfed42917","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/d842f26a167e77a36f3ed333b9fa99d36ef99fe6","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/d68b621bb5a48051932f1017a6e1bc9b18f854d0","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/b053fcd8912f06c30f932f5b8ec41c72de474695","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/cd98837db15f323463b8df07282ac723bd5c3fed","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/7c71a9522555ff137a9ca36b15d759ca04d84788","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/88fe2e3658726cb21ff2dcf9770bf672f9b9d31b","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2026-06-25T08:39:37.129000Z","label":"CVE published","source":null}]}