{"id":"DEBIAN-CVE-2022-49859","details":"In the Linux kernel, the following vulnerability has been resolved:  net: lapbether: fix issue of invalid opcode in lapbeth_open()  If lapb_register() failed when lapb device goes to up for the first time, the NAPI is not disabled. As a result, the invalid opcode issue is reported when the lapb device goes to up for the second time.  The stack info is as follows: [ 1958.311422][T11356] kernel BUG at net/core/dev.c:6442! [ 1958.312206][T11356] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 1958.315979][T11356] RIP: 0010:napi_enable+0x16a/0x1f0 [ 1958.332310][T11356] Call Trace: [ 1958.332817][T11356]  \u003cTASK\u003e [ 1958.336135][T11356]  lapbeth_open+0x18/0x90 [ 1958.337446][T11356]  __dev_open+0x258/0x490 [ 1958.341672][T11356]  __dev_change_flags+0x4d4/0x6a0 [ 1958.345325][T11356]  dev_change_flags+0x93/0x160 [ 1958.346027][T11356]  devinet_ioctl+0x1276/0x1bf0 [ 1958.346738][T11356]  inet_ioctl+0x1c8/0x2d0 [ 1958.349638][T11356]  sock_ioctl+0x5d1/0x750 [ 1958.356059][T11356]  __x64_sys_ioctl+0x3ec/0x1790 [ 1958.365594][T11356]  do_syscall_64+0x35/0x80 [ 1958.366239][T11356]  entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 1958.377381][T11356]  \u003c/TASK\u003e","modified":"2026-08-27T23:04:30.670231970Z","published":"2025-05-01T15:16:09.510Z","upstream":["CVE-2022-49859"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2022-49859"}],"affected":[{"package":{"name":"linux","ecosystem":"Debian:12","purl":"pkg:deb/debian/linux?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0.10-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2022-49859.json"}},{"package":{"name":"linux","ecosystem":"Debian:13","purl":"pkg:deb/debian/linux?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0.10-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2022-49859.json"}},{"package":{"name":"linux","ecosystem":"Debian:14","purl":"pkg:deb/debian/linux?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0.10-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2022-49859.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:H/A:H"}]}