[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"repo-stars":3,"vuln-DEBIAN-CVE-2025-39883":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":19,"related":20,"reserved_at":9,"published_at":21,"modified_at":22,"state":9,"summary":23,"references_raw":25,"kevs":32,"epss":9,"epss_history":33,"metrics":34,"affected":41},"DEBIAN-CVE-2025-39883","In the Linux kernel, the following vulnerability has been resolved:  mm/memory-failure: fix VM_BUG_ON_PAGE(PagePoisoned(page)) when unpoison memory  When I did memory failure tests, below panic occurs:  page dumped because: VM_BUG_ON_PAGE(PagePoisoned(page)) kernel BUG at include/linux/page-flags.h:616! Oops: invalid opcode: 0000 [#1] PREEMPT SMP NOPTI CPU: 3 PID: 720 Comm: bash Not tainted 6.10.0-rc1-00195-g148743902568 #40 RIP: 0010:unpoison_memory+0x2f3/0x590 RSP: 0018:ffffa57fc8787d60 EFLAGS: 00000246 RAX: 0000000000000037 RBX: 0000000000000009 RCX: ffff9be25fcdc9c8 RDX: 0000000000000000 RSI: 0000000000000027 RDI: ffff9be25fcdc9c0 RBP: 0000000000300000 R08: ffffffffb4956f88 R09: 0000000000009ffb R10: 0000000000000284 R11: ffffffffb4926fa0 R12: ffffe6b00c000000 R13: ffff9bdb453dfd00 R14: 0000000000000000 R15: fffffffffffffffe FS:  00007f08f04e4740(0000) GS:ffff9be25fcc0000(0000) knlGS:0000000000000000 CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000564787a30410 CR3: 000000010d4e2000 CR4: 00000000000006f0 Call Trace:  \u003CTASK>  unpoison_memory+0x2f3/0x590  simple_attr_write_xsigned.constprop.0.isra.0+0xb3/0x110  debugfs_attr_write+0x42/0x60  full_proxy_write+0x5b/0x80  vfs_write+0xd5/0x540  ksys_write+0x64/0xe0  do_syscall_64+0xb9/0x1d0  entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f08f0314887 RSP: 002b:00007ffece710078 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f08f0314887 RDX: 0000000000000009 RSI: 0000564787a30410 RDI: 0000000000000001 RBP: 0000564787a30410 R08: 000000000000fefe R09: 000000007fffffff R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000009 R13: 00007f08f041b780 R14: 00007f08f0417600 R15: 00007f08f0416a00  \u003C/TASK> Modules linked in: hwpoison_inject ---[ end trace 0000000000000000 ]--- RIP: 0010:unpoison_memory+0x2f3/0x590 RSP: 0018:ffffa57fc8787d60 EFLAGS: 00000246 RAX: 0000000000000037 RBX: 0000000000000009 RCX: ffff9be25fcdc9c8 RDX: 0000000000000000 RSI: 0000000000000027 RDI: ffff9be25fcdc9c0 RBP: 0000000000300000 R08: ffffffffb4956f88 R09: 0000000000009ffb R10: 0000000000000284 R11: ffffffffb4926fa0 R12: ffffe6b00c000000 R13: ffff9bdb453dfd00 R14: 0000000000000000 R15: fffffffffffffffe FS:  00007f08f04e4740(0000) GS:ffff9be25fcc0000(0000) knlGS:0000000000000000 CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000564787a30410 CR3: 000000010d4e2000 CR4: 00000000000006f0 Kernel panic - not syncing: Fatal exception Kernel Offset: 0x31c00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) ---[ end Kernel panic - not syncing: Fatal exception ]---  The root cause is that unpoison_memory() tries to check the PG_HWPoison flags of an uninitialized page.  So VM_BUG_ON_PAGE(PagePoisoned(page)) is triggered.  This can be reproduced by below steps:  1.Offline memory block:   echo offline > /sys/devices/system/memory/memory12/state  2.Get offlined memory pfn:   page-types -b n -rlN  3.Write pfn to unpoison-pfn   echo \u003Cpfn> > /sys/kernel/debug/hwpoison/unpoison-pfn  This scenario can be identified by pfn_to_online_page() returning NULL.  And ZONE_DEVICE pages are never expected, so we can simply fail if pfn_to_online_page() == NULL to fix the bug.",null,[],[],[],[14],{"_key":15},"CVE-2025-39883",[17],{"_key":18},"DLA-4328-1",[],[],"2025-09-23T06:15:48.087Z","2026-04-28T20:30:07.650605Z",{"cisa_kev":24,"cisa_ransomware":24,"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,[26],{"url":27,"sources":28,"tags":30},"https://security-tracker.debian.org/tracker/CVE-2025-39883",[29],"osv_debian",[31],"Advisory",[],[],[35],{"source":29,"cvss_v2_0":9,"cvss_v3_0":9,"cvss_v3_1":36,"cvss_v4_0":9},{"baseScore":37,"baseSeverity":9,"vectorString":38,"impactScore":39,"exploitabilityScore":40},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,[42,63],{"ecosystem":43,"name":44,"vendor":45,"product":44,"cpe_part":9,"purl_type":46,"purl_namespace":45,"purl_name":44,"source":9,"versions":47},"Debian","linux","debian","deb",[48,54,57,60],{"version":49,"is_range":50,"range_type":51,"version_start":9,"version_start_type":9,"version_end":52,"version_end_type":53,"fixed_in":9},"lt5_10_247_1",true,"ecosystem","5.10.247-1","excluding",{"version":55,"is_range":50,"range_type":51,"version_start":9,"version_start_type":9,"version_end":56,"version_end_type":53,"fixed_in":9},"lt6_1_153_1","6.1.153-1",{"version":58,"is_range":50,"range_type":51,"version_start":9,"version_start_type":9,"version_end":59,"version_end_type":53,"fixed_in":9},"lt6_12_48_1","6.12.48-1",{"version":61,"is_range":50,"range_type":51,"version_start":9,"version_start_type":9,"version_end":62,"version_end_type":53,"fixed_in":9},"lt6_16_8_1","6.16.8-1",{"ecosystem":43,"name":64,"vendor":45,"product":64,"cpe_part":9,"purl_type":46,"purl_namespace":45,"purl_name":64,"source":9,"versions":65},"linux-6.1",[66],{"version":67,"is_range":50,"range_type":51,"version_start":9,"version_start_type":9,"version_end":68,"version_end_type":53,"fixed_in":9},"lt6_1_153_1~deb11u1","6.1.153-1~deb11u1"]