[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"repo-stars":3,"vuln-DEBIAN-CVE-2025-40028":6},{"stargazers_count":4,"fetched_at":5},7,"2026-06-04T14:53:31.930Z",{"id":7,"descriptions":8,"cisa":9,"weaknesses":10,"exploits":11,"aliases":12,"duplicate_of":9,"upstream":13,"downstream":16,"duplicates":17,"related":18,"reserved_at":9,"published_at":19,"modified_at":20,"state":9,"summary":21,"references_raw":23,"kevs":30,"epss":9,"epss_history":31,"metrics":32,"affected":33},"DEBIAN-CVE-2025-40028","In the Linux kernel, the following vulnerability has been resolved:  binder: fix double-free in dbitmap  A process might fail to allocate a new bitmap when trying to expand its proc->dmap. In that case, dbitmap_grow() fails and frees the old bitmap via dbitmap_free(). However, the driver calls dbitmap_free() again when the same process terminates, leading to a double-free error:    ==================================================================   BUG: KASAN: double-free in binder_proc_dec_tmpref+0x2e0/0x55c   Free of addr ffff00000b7c1420 by task kworker/9:1/209    CPU: 9 UID: 0 PID: 209 Comm: kworker/9:1 Not tainted 6.17.0-rc6-dirty #5 PREEMPT   Hardware name: linux,dummy-virt (DT)   Workqueue: events binder_deferred_func   Call trace:    kfree+0x164/0x31c    binder_proc_dec_tmpref+0x2e0/0x55c    binder_deferred_func+0xc24/0x1120    process_one_work+0x520/0xba4   [...]    Allocated by task 448:    __kmalloc_noprof+0x178/0x3c0    bitmap_zalloc+0x24/0x30    binder_open+0x14c/0xc10   [...]    Freed by task 449:    kfree+0x184/0x31c    binder_inc_ref_for_node+0xb44/0xe44    binder_transaction+0x29b4/0x7fbc    binder_thread_write+0x1708/0x442c    binder_ioctl+0x1b50/0x2900   [...]   ==================================================================  Fix this issue by marking proc->map NULL in dbitmap_free().",null,[],[],[],[14],{"_key":15},"CVE-2025-40028",[],[],[],"2025-10-28T10:15:42.447Z","2026-04-28T20:30:25.540111Z",{"cisa_kev":22,"cisa_ransomware":22,"cisa_vendor":9,"epss_severity":9,"epss_score":9,"severity":9,"severity_score":9,"severity_version":9,"severity_source":9,"severity_vector":9,"severity_status":9},false,[24],{"url":25,"sources":26,"tags":28},"https://security-tracker.debian.org/tracker/CVE-2025-40028",[27],"osv_debian",[29],"Advisory",[],[],[],[34],{"ecosystem":35,"name":36,"vendor":37,"product":36,"cpe_part":9,"purl_type":38,"purl_namespace":37,"purl_name":36,"source":9,"versions":39},"Debian","linux","debian","deb",[40,46],{"version":41,"is_range":42,"range_type":43,"version_start":9,"version_start_type":9,"version_end":44,"version_end_type":45,"fixed_in":9},"lt6_12_57_1",true,"ecosystem","6.12.57-1","excluding",{"version":47,"is_range":42,"range_type":43,"version_start":9,"version_start_type":9,"version_end":48,"version_end_type":45,"fixed_in":9},"lt6_17_6_1","6.17.6-1"]