{"cve":{"cve_id":"CVE-2026-53185","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\nzram: fix use-after-free in zram_bvec_write_partial()\n\nzram_read_page() picks the sync or async backing device read path based on\nwhether the parent bio is NULL.  zram_bvec_write_partial() passes its\nparent bio down, so for ZRAM_WB slots the read is dispatched\nasynchronously and zram_read_page() returns 0 while the bio is still in\nflight.  The caller then runs memcpy_from_bvec(), zram_write_page() and\n__free_page() on the buffer, leaving the async read to write into a freed\npage.\n\nzram_bvec_read_partial() was switched to NULL in commit 4e3c87b9421d\n(\"zram: fix synchronous reads\") for the same reason; the write_partial\ncounterpart was missed.","published_at":"2026-06-25T08:38:58.853000Z","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/0c2821665ff71be3f4b07ecece384669f2877f6a","https://git.kernel.org/stable/c/77a602b505ce4802915853cfc435a4722fab3e64","https://git.kernel.org/stable/c/c96786d6ff1acc1d54d9241e97767554c1dfdd5b","https://git.kernel.org/stable/c/198b5a14cca27263b9c14b20114c8092de15dfcb","https://git.kernel.org/stable/c/732fd9f0b9c1cdc6dfd77162ded60df005182cc0"],"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":"8e654f8fbff52ac483fb69957222853d7e2fc588","version_start_inclusive":true,"version_end":"0c2821665ff71be3f4b07ecece384669f2877f6a","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:8e654f8fbff52ac483fb69957222853d7e2fc588:0c2821665ff71be3f4b07ecece384669f2877f6a"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"8e654f8fbff52ac483fb69957222853d7e2fc588","version_start_inclusive":true,"version_end":"77a602b505ce4802915853cfc435a4722fab3e64","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:8e654f8fbff52ac483fb69957222853d7e2fc588:77a602b505ce4802915853cfc435a4722fab3e64"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"8e654f8fbff52ac483fb69957222853d7e2fc588","version_start_inclusive":true,"version_end":"c96786d6ff1acc1d54d9241e97767554c1dfdd5b","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:8e654f8fbff52ac483fb69957222853d7e2fc588:c96786d6ff1acc1d54d9241e97767554c1dfdd5b"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"8e654f8fbff52ac483fb69957222853d7e2fc588","version_start_inclusive":true,"version_end":"198b5a14cca27263b9c14b20114c8092de15dfcb","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:8e654f8fbff52ac483fb69957222853d7e2fc588:198b5a14cca27263b9c14b20114c8092de15dfcb"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"8e654f8fbff52ac483fb69957222853d7e2fc588","version_start_inclusive":true,"version_end":"732fd9f0b9c1cdc6dfd77162ded60df005182cc0","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:8e654f8fbff52ac483fb69957222853d7e2fc588:732fd9f0b9c1cdc6dfd77162ded60df005182cc0"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"4.14","version_start_inclusive":true,"version_end":"4.14","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:4.14:4.14"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"0","version_start_inclusive":true,"version_end":"4.14","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:0:4.14"},{"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/0c2821665ff71be3f4b07ecece384669f2877f6a","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/77a602b505ce4802915853cfc435a4722fab3e64","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/c96786d6ff1acc1d54d9241e97767554c1dfdd5b","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/198b5a14cca27263b9c14b20114c8092de15dfcb","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/732fd9f0b9c1cdc6dfd77162ded60df005182cc0","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2026-06-25T08:38:58.853000Z","label":"CVE published","source":null}]}