[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"repo-stars":3,"vuln-DEBIAN-CVE-2026-53059":6},{"stargazers_count":4,"fetched_at":5},8,"2026-09-19T04:32:17.889Z",{"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":39},"DEBIAN-CVE-2026-53059","In the Linux kernel, the following vulnerability has been resolved:  dm log: fix out-of-bounds write due to region_count overflow  The local variable region_count in create_log_context() is declared as unsigned int (32-bit), but dm_sector_div_up() returns sector_t (64-bit). When a device-mapper target has a sufficiently large ti->len with a small region_size, the division result can exceed UINT_MAX. The truncated value is then used to calculate bitset_size, causing clean_bits, sync_bits, and recovering_bits to be allocated far smaller than needed for the actual number of regions.  Subsequent log operations (log_set_bit, log_clear_bit, log_test_bit) use region indices derived from the full untruncated region space, causing out-of-bounds writes to kernel heap memory allocated by vmalloc.  This can be reproduced by creating a mirror target whose region_count overflows 32 bits:    dmsetup create bigzero --table '0 8589934594 zero'   dmsetup create mymirror --table '0 8589934594 mirror \\     core 2 2 nosync 2 /dev/mapper/bigzero 0 \\     /dev/mapper/bigzero 0'  The status output confirms the truncation (sync_count=1 instead of 4294967297, because 0x100000001 was truncated to 1):    $ dmsetup status mymirror   0 8589934594 mirror 2 254:1 254:1 1/4294967297 ...  This leads to a kernel crash in core_in_sync:    BUG: scheduling while atomic: (udev-worker)/9150/0x00000000   RIP: 0010:core_in_sync+0x14/0x30 [dm_log]   CR2: 0000000000000008   Fixing recursive fault but reboot is needed!  Fix by widening the local region_count to sector_t and adding an explicit overflow check before the value is assigned to lc->region_count.",null,[],[],[],[14],{"_key":15},"CVE-2026-53059",[],[],[],"2026-06-24T17:17:18.463Z","2026-07-05T20:00:13.920187319Z",{"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-2026-53059",[27],"osv_debian",[29],"Advisory",[],[],[33],{"source":27,"cvss_v2_0":9,"cvss_v3_0":9,"cvss_v3_1":34,"cvss_v4_0":9},{"baseScore":35,"baseSeverity":9,"vectorString":36,"impactScore":37,"exploitabilityScore":38},6.3,"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H",8.7,2.6,[40,64],{"ecosystem":41,"name":42,"vendor":43,"product":42,"cpe_part":9,"purl_type":44,"purl_namespace":43,"purl_name":42,"source":9,"versions":45},"Debian","linux","debian","deb",[46,50,51,55,58,61],{"version":47,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":9,"version_end_type":9,"fixed_in":9},"all",true,"ecosystem",{"version":47,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":9,"version_end_type":9,"fixed_in":9},{"version":52,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":53,"version_end_type":54,"fixed_in":9},"lt5_10_259_1","5.10.259-1","excluding",{"version":56,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":57,"version_end_type":54,"fixed_in":9},"lt6_1_176_1","6.1.176-1",{"version":59,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":60,"version_end_type":54,"fixed_in":9},"lt6_12_94_1","6.12.94-1",{"version":62,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":63,"version_end_type":54,"fixed_in":9},"lt7_0_10_1","7.0.10-1",{"ecosystem":41,"name":65,"vendor":43,"product":65,"cpe_part":9,"purl_type":44,"purl_namespace":43,"purl_name":65,"source":9,"versions":66},"linux-6.1",[67],{"version":68,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":69,"version_end_type":54,"fixed_in":9},"lt6_1_176_1~deb11u1","6.1.176-1~deb11u1"]