[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"repo-stars":3,"vuln-DEBIAN-CVE-2021-47219":6},{"stargazers_count":4,"fetched_at":5},7,"2026-06-04T08:53:30.047Z",{"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-2021-47219","In the Linux kernel, the following vulnerability has been resolved:  scsi: scsi_debug: Fix out-of-bound read in resp_report_tgtpgs()  The following issue was observed running syzkaller:  BUG: KASAN: slab-out-of-bounds in memcpy include/linux/string.h:377 [inline] BUG: KASAN: slab-out-of-bounds in sg_copy_buffer+0x150/0x1c0 lib/scatterlist.c:831 Read of size 2132 at addr ffff8880aea95dc8 by task syz-executor.0/9815  CPU: 0 PID: 9815 Comm: syz-executor.0 Not tainted 4.19.202-00874-gfc0fe04215a9 #2 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1ubuntu1 04/01/2014 Call Trace:  __dump_stack lib/dump_stack.c:77 [inline]  dump_stack+0xe4/0x14a lib/dump_stack.c:118  print_address_description+0x73/0x280 mm/kasan/report.c:253  kasan_report_error mm/kasan/report.c:352 [inline]  kasan_report+0x272/0x370 mm/kasan/report.c:410  memcpy+0x1f/0x50 mm/kasan/kasan.c:302  memcpy include/linux/string.h:377 [inline]  sg_copy_buffer+0x150/0x1c0 lib/scatterlist.c:831  fill_from_dev_buffer+0x14f/0x340 drivers/scsi/scsi_debug.c:1021  resp_report_tgtpgs+0x5aa/0x770 drivers/scsi/scsi_debug.c:1772  schedule_resp+0x464/0x12f0 drivers/scsi/scsi_debug.c:4429  scsi_debug_queuecommand+0x467/0x1390 drivers/scsi/scsi_debug.c:5835  scsi_dispatch_cmd+0x3fc/0x9b0 drivers/scsi/scsi_lib.c:1896  scsi_request_fn+0x1042/0x1810 drivers/scsi/scsi_lib.c:2034  __blk_run_queue_uncond block/blk-core.c:464 [inline]  __blk_run_queue+0x1a4/0x380 block/blk-core.c:484  blk_execute_rq_nowait+0x1c2/0x2d0 block/blk-exec.c:78  sg_common_write.isra.19+0xd74/0x1dc0 drivers/scsi/sg.c:847  sg_write.part.23+0x6e0/0xd00 drivers/scsi/sg.c:716  sg_write+0x64/0xa0 drivers/scsi/sg.c:622  __vfs_write+0xed/0x690 fs/read_write.c:485 kill_bdev:block_device:00000000e138492c  vfs_write+0x184/0x4c0 fs/read_write.c:549  ksys_write+0x107/0x240 fs/read_write.c:599  do_syscall_64+0xc2/0x560 arch/x86/entry/common.c:293  entry_SYSCALL_64_after_hwframe+0x49/0xbe  We get 'alen' from command its type is int. If userspace passes a large length we will get a negative 'alen'.  Switch n, alen, and rlen to u32.",null,[],[],[],[14],{"_key":15},"CVE-2021-47219",[],[],[],"2024-04-10T19:15:48.903Z","2026-04-28T20:23:22.549424Z",{"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-2021-47219",[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},7.1,"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",8.7,4.6,[40],{"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",[46,52,55,56],{"version":47,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":50,"version_end_type":51,"fixed_in":9},"lt5_10_84_1",true,"ecosystem","5.10.84-1","excluding",{"version":53,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":54,"version_end_type":51,"fixed_in":9},"lt5_15_5_1","5.15.5-1",{"version":53,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":54,"version_end_type":51,"fixed_in":9},{"version":53,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":54,"version_end_type":51,"fixed_in":9}]