{"id":"CVE-2024-49891","summary":"scsi: lpfc: Validate hdwq pointers before dereferencing in reset/errata paths","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: lpfc: Validate hdwq pointers before dereferencing in reset/errata paths\n\nWhen the HBA is undergoing a reset or is handling an errata event, NULL ptr\ndereference crashes may occur in routines such as\nlpfc_sli_flush_io_rings(), lpfc_dev_loss_tmo_callbk(), or\nlpfc_abort_handler().\n\nAdd NULL ptr checks before dereferencing hdwq pointers that may have been\nfreed due to operations colliding with a reset or errata event handler.","modified":"2026-04-02T12:21:05.794981Z","published":"2024-10-21T18:01:26.314Z","related":["SUSE-SU-2024:3984-1","SUSE-SU-2024:3986-1","SUSE-SU-2024:4100-1","SUSE-SU-2024:4315-1","SUSE-SU-2024:4318-1","SUSE-SU-2024:4364-1","SUSE-SU-2024:4376-1","SUSE-SU-2024:4387-1","SUSE-SU-2025:0034-1","SUSE-SU-2025:20163-1","SUSE-SU-2025:20164-1","SUSE-SU-2025:20246-1","SUSE-SU-2025:20247-1","USN-7276-1","USN-7277-1","openSUSE-SU-2024:14500-1","openSUSE-SU-2025:14705-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/49xxx/CVE-2024-49891.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/232a138bd843d48cb2368f604646d990db7640f3"},{"type":"WEB","url":"https://git.kernel.org/stable/c/2be1d4f11944cd6283cb97268b3e17c4424945ca"},{"type":"WEB","url":"https://git.kernel.org/stable/c/5873aa7f814754085d418848b2089ef406a02dd0"},{"type":"WEB","url":"https://git.kernel.org/stable/c/99a801e2fca39a6f31e543fc3383058a8955896f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/fd665c8dbdb19548965b0ae80c490de00e906366"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/49xxx/CVE-2024-49891.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-49891"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"895427bd012ce5814fc9888c7c0ee9de44761833"},{"fixed":"5873aa7f814754085d418848b2089ef406a02dd0"},{"fixed":"232a138bd843d48cb2368f604646d990db7640f3"},{"fixed":"99a801e2fca39a6f31e543fc3383058a8955896f"},{"fixed":"fd665c8dbdb19548965b0ae80c490de00e906366"},{"fixed":"2be1d4f11944cd6283cb97268b3e17c4424945ca"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-49891.json"}}],"schema_version":"1.7.5"}