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In the Linux kernel, the following vulnerability has been resolved:
scsi: qla2xxx: Hold vport reference in qla24xx_report_id_acquisition()
In the format 1 path, the virtual port is located on ha->vp_list while holding vport_slock, but the lock is dropped before vp is used: qla_update_host_map() is called and VP_IDX_ACQUIRED/REGISTER_FC4_NEEDED/ REGISTER_FDMI_NEEDED are set on vp. No reference is taken across that window, so a concurrent qla24xx_deallocate_vp_id() can tear the vport down and free it, leading to a use-after-free.
Take a vport reference (vref_count) under vport_slock when the matching vp is found, and drop it after the last use of vp. qla24xx_deallocate_vp_id() waits for vref_count to reach zero before unlinking and freeing the vport, so the pointer stays valid. This matches the reference idiom already used by the other ha->vp_list traversals.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade kernel-debuginfo-common-x86_64Upgrade perf-debuginfoUpgrade kernel-tools-debuginfoUpgrade bpftool-debuginfoUpgrade bpftoolUpgrade python-perfUpgrade kernel-toolsUpgrade kernel-tools-develUpgrade kernelUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-debuginfoUpgrade perfUpgrade python-perf-debuginfoUpgrade kernel-develUpgrade kernel-livepatch-5.10.270-271.1109Upgrade kernel-headers | Oct 19, 2026 | Oct 19, 2026 |
| Debian | — | Upgrade linuxUpgrade linux-6.12 | Sep 30, 2026 | Sep 16, 2026 |
| Redhat_linux | — | No solution exists | Oct 26, 2026 | Sep 16, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Sep 30, 2026 | Sep 16, 2026 |
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