{"cve":{"cve_id":"CVE-2026-52979","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\nnet: psp: check for device unregister when creating assoc\n\npsp_assoc_device_get_locked() obtains a psp_dev reference via\npsp_dev_get_for_sock() (which uses psp_dev_tryget() under RCU);\nit then acquires psd->lock and drops the reference. Before\nthe lock is taken, psp_dev_unregister() can run to completion:\ntake psd->lock, clear out state, unlock, drop the registration\nreference.\n\nThe expectation is that the lock prevents device unregistration,\nbut much like with netdevs special care has to be taken when\n\"upgrading\" a reference to a locked device. Add the missing\ncheck if device is still alive. psp_dev_is_registered() exists\nalready but had no callers, which makes me wonder if I either\nforgot to add this or lost the check during refactoring...","published_at":"2026-06-24T16:28:55.696000Z","last_modified_at":null,"cvss_v3_score":null,"cvss_v3_vector":null,"cvss_v3_severity":null,"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/d90df5ce6deb2424de3ad89bcc693ac1b67accc9","https://git.kernel.org/stable/c/e201c57073e624dd2ba5beaf9eda31e19b77b332","https://git.kernel.org/stable/c/b89769f936a8fa9e66de72ddc1b71a9745a488e6"],"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":"2026-06-28T17:55:22.518073Z","updated_at":"2026-06-28T23:30:49.890169Z"},"effective_severity":null,"badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":null,"metrics":[]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6b46ca260e2290e3453d1355ab5b6d283d73d780","version_start_inclusive":true,"version_end":"d90df5ce6deb2424de3ad89bcc693ac1b67accc9","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:6b46ca260e2290e3453d1355ab5b6d283d73d780:d90df5ce6deb2424de3ad89bcc693ac1b67accc9"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6b46ca260e2290e3453d1355ab5b6d283d73d780","version_start_inclusive":true,"version_end":"e201c57073e624dd2ba5beaf9eda31e19b77b332","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:6b46ca260e2290e3453d1355ab5b6d283d73d780:e201c57073e624dd2ba5beaf9eda31e19b77b332"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6b46ca260e2290e3453d1355ab5b6d283d73d780","version_start_inclusive":true,"version_end":"b89769f936a8fa9e66de72ddc1b71a9745a488e6","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:6b46ca260e2290e3453d1355ab5b6d283d73d780:b89769f936a8fa9e66de72ddc1b71a9745a488e6"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6.18","version_start_inclusive":true,"version_end":"6.18","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:6.18:6.18"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"0","version_start_inclusive":true,"version_end":"6.18","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:0:6.18"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6.18.33","version_start_inclusive":true,"version_end":"6.18.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:6.18.33:6.18.*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"7.0.10","version_start_inclusive":true,"version_end":"7.0.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:7.0.10:7.0.*"},{"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/d90df5ce6deb2424de3ad89bcc693ac1b67accc9","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/e201c57073e624dd2ba5beaf9eda31e19b77b332","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/b89769f936a8fa9e66de72ddc1b71a9745a488e6","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2026-06-24T16:28:55.696000Z","label":"CVE published","source":null}]}