{"id":"DEBIAN-CVE-2022-49401","details":"In the Linux kernel, the following vulnerability has been resolved:  mm/page_owner: use strscpy() instead of strlcpy()  current-\u003ecomm[] is not a string (no guarantee for a zero byte in it).  strlcpy(s1, s2, l) is calling strlen(s2), potentially causing out-of-bound access, as reported by syzbot:  detected buffer overflow in __fortify_strlen ------------[ cut here ]------------ kernel BUG at lib/string_helpers.c:980! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 4087 Comm: dhcpcd-run-hooks Not tainted 5.18.0-rc3-syzkaller-01537-g20b87e7c29df #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:fortify_panic+0x18/0x1a lib/string_helpers.c:980 Code: 8c e8 c5 ba e1 fa e9 23 0f bf fa e8 0b 5d 8c f8 eb db 55 48 89 fd e8 e0 49 40 f8 48 89 ee 48 c7 c7 80 f5 26 8a e8 99 09 f1 ff \u003c0f\u003e 0b e8 ca 49 40 f8 48 8b 54 24 18 4c 89 f1 48 c7 c7 00 00 27 8a RSP: 0018:ffffc900000074a8 EFLAGS: 00010286  RAX: 000000000000002c RBX: ffff88801226b728 RCX: 0000000000000000 RDX: ffff8880198e0000 RSI: ffffffff81600458 RDI: fffff52000000e87 RBP: ffffffff89da2aa0 R08: 000000000000002c R09: 0000000000000000 R10: ffffffff815fae2e R11: 0000000000000000 R12: ffff88801226b700 R13: ffff8880198e0830 R14: 0000000000000000 R15: 0000000000000000 FS:  0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5876ad6ff8 CR3: 000000001a48c000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace:  \u003cIRQ\u003e  __fortify_strlen include/linux/fortify-string.h:128 [inline]  strlcpy include/linux/fortify-string.h:143 [inline]  __set_page_owner_handle+0x2b1/0x3e0 mm/page_owner.c:171  __set_page_owner+0x3e/0x50 mm/page_owner.c:190  prep_new_page mm/page_alloc.c:2441 [inline]  get_page_from_freelist+0xba2/0x3e00 mm/page_alloc.c:4182  __alloc_pages+0x1b2/0x500 mm/page_alloc.c:5408  alloc_pages+0x1aa/0x310 mm/mempolicy.c:2272  alloc_slab_page mm/slub.c:1799 [inline]  allocate_slab+0x26c/0x3c0 mm/slub.c:1944  new_slab mm/slub.c:2004 [inline]  ___slab_alloc+0x8df/0xf20 mm/slub.c:3005  __slab_alloc.constprop.0+0x4d/0xa0 mm/slub.c:3092  slab_alloc_node mm/slub.c:3183 [inline]  slab_alloc mm/slub.c:3225 [inline]  __kmem_cache_alloc_lru mm/slub.c:3232 [inline]  kmem_cache_alloc+0x360/0x3b0 mm/slub.c:3242  dst_alloc+0x146/0x1f0 net/core/dst.c:92","modified":"2026-08-27T23:04:18.107793944Z","published":"2025-02-26T07:01:16.660Z","upstream":["CVE-2022-49401"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2022-49401"}],"affected":[{"package":{"name":"linux","ecosystem":"Debian:12","purl":"pkg:deb/debian/linux?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.18.5-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2022-49401.json"}},{"package":{"name":"linux","ecosystem":"Debian:13","purl":"pkg:deb/debian/linux?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.18.5-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2022-49401.json"}},{"package":{"name":"linux","ecosystem":"Debian:14","purl":"pkg:deb/debian/linux?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.18.5-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2022-49401.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H"}]}