{"cve":{"cve_id":"CVE-2026-52905","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":0.00155,"epss_percentile":0.04934,"epss_as_of":"2026-06-23","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmm/damon/core: disallow non-power of two min_region_sz on damon_start()\n\nCommit d8f867fa0825 (\"mm/damon: add damon_ctx->min_sz_region\") introduced\na bug that allows unaligned DAMON region address ranges.  Commit\nc80f46ac228b (\"mm/damon/core: disallow non-power of two min_region_sz\")\nfixed it, but only for damon_commit_ctx() use case.  Still, DAMON sysfs\ninterface can emit non-power of two min_region_sz via damon_start().  Fix\nthe path by adding the is_power_of_2() check on damon_start().\n\nThe issue was discovered by sashiko [1].","published_at":"2026-06-09T12:36:02.516000Z","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/1de2db19a6028abe7d905875922faef5b873de67","https://git.kernel.org/stable/c/89b6226b6c2a4add3939f361653a47c212d6ab75","https://git.kernel.org/stable/c/95093e5cb4c5b50a5b1a4b79f2942b62744bd66a"],"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":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-28T23:30:49.088205Z"},"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":"d8f867fa0825fb3e358457566d7326d8aab2406a","version_start_inclusive":true,"version_end":"1de2db19a6028abe7d905875922faef5b873de67","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:d8f867fa0825fb3e358457566d7326d8aab2406a:1de2db19a6028abe7d905875922faef5b873de67"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"d8f867fa0825fb3e358457566d7326d8aab2406a","version_start_inclusive":true,"version_end":"89b6226b6c2a4add3939f361653a47c212d6ab75","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:d8f867fa0825fb3e358457566d7326d8aab2406a:89b6226b6c2a4add3939f361653a47c212d6ab75"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"d8f867fa0825fb3e358457566d7326d8aab2406a","version_start_inclusive":true,"version_end":"95093e5cb4c5b50a5b1a4b79f2942b62744bd66a","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:d8f867fa0825fb3e358457566d7326d8aab2406a:95093e5cb4c5b50a5b1a4b79f2942b62744bd66a"},{"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":"6.18.30","version_start_inclusive":true,"version_end":"6.18.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:6.18.30:6.18.*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"7.0.4","version_start_inclusive":true,"version_end":"7.0.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:7.0.4:7.0.*"},{"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/1de2db19a6028abe7d905875922faef5b873de67","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/89b6226b6c2a4add3939f361653a47c212d6ab75","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/95093e5cb4c5b50a5b1a4b79f2942b62744bd66a","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2026-06-09T12:36:02.516000Z","label":"CVE published","source":null}]}