{"id":"DEBIAN-CVE-2022-49931","details":"In the Linux kernel, the following vulnerability has been resolved:  IB/hfi1: Correctly move list in sc_disable()  Commit 13bac861952a (\"IB/hfi1: Fix abba locking issue with sc_disable()\") incorrectly tries to move a list from one list head to another.  The result is a kernel crash.  The crash is triggered when a link goes down and there are waiters for a send to complete.  The following signature is seen:    BUG: kernel NULL pointer dereference, address: 0000000000000030   [...]   Call Trace:    sc_disable+0x1ba/0x240 [hfi1]    pio_freeze+0x3d/0x60 [hfi1]    handle_freeze+0x27/0x1b0 [hfi1]    process_one_work+0x1b0/0x380    ? process_one_work+0x380/0x380    worker_thread+0x30/0x360    ? process_one_work+0x380/0x380    kthread+0xd7/0x100    ? kthread_complete_and_exit+0x20/0x20    ret_from_fork+0x1f/0x30  The fix is to use the correct call to move the list.","modified":"2026-09-01T16:05:33.897089893Z","published":"2025-05-01T15:16:19.087Z","upstream":["CVE-2022-49931"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2022-49931"}],"affected":[{"package":{"name":"linux","ecosystem":"Debian:12","purl":"pkg:deb/debian/linux?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0.8-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2022-49931.json"}},{"package":{"name":"linux","ecosystem":"Debian:13","purl":"pkg:deb/debian/linux?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0.8-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2022-49931.json"}},{"package":{"name":"linux","ecosystem":"Debian:14","purl":"pkg:deb/debian/linux?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0.8-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2022-49931.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:N/I:N/A:H"}]}