https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Thu, 01 Oct 2026 20:13:45 +0000 https://vulnerability.circl.lu/vuln/cve-2024-27079 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>iommu/vt-d: Fix NULL domain on device release</p> <p>In the kdump kernel, the IOMMU operates in deferred_attach mode. In this mode, info-&gt;domain may not yet be assigned by the time the release_device function is called. It leads to the following crash in the crash kernel:</p> <p>BUG: kernel NULL pointer dereference, address: 000000000000003c ... RIP: 0010:do_raw_spin_lock+0xa/0xa0 ... _raw_spin_lock_irqsave+0x1b/0x30 intel_iommu_release_device+0x96/0x170 iommu_deinit_device+0x39/0xf0 __iommu_group_remove_device+0xa0/0xd0 iommu_bus_notifier+0x55/0xb0 notifier_call_chain+0x5a/0xd0 blocking_notifier_call_chain+0x41/0x60 bus_notify+0x34/0x50 device_del+0x269/0x3d0 pci_remove_bus_device+0x77/0x100 p2sb_bar+0xae/0x1d0 ... i801_probe+0x423/0x740</p> <p>Use the release_domain mechanism to fix it. The scalable mode context entry which is not part of release domain should be cleared in release_device().</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>iommu/vt-d: Fix NULL domain on device release</p> <p>In the kdump kernel, the IOMMU operates in deferred_attach mode. In this mode, info-&gt;domain may not yet be assigned by the time the release_device function is called. It leads to the following crash in the crash kernel:</p> <p>BUG: kernel NULL pointer dereference, address: 000000000000003c ... RIP: 0010:do_raw_spin_lock+0xa/0xa0 ... _raw_spin_lock_irqsave+0x1b/0x30 intel_iommu_release_device+0x96/0x170 iommu_deinit_device+0x39/0xf0 __iommu_group_remove_device+0xa0/0xd0 iommu_bus_notifier+0x55/0xb0 notifier_call_chain+0x5a/0xd0 blocking_notifier_call_chain+0x41/0x60 bus_notify+0x34/0x50 device_del+0x269/0x3d0 pci_remove_bus_device+0x77/0x100 p2sb_bar+0xae/0x1d0 ... i801_probe+0x423/0x740</p> <p>Use the release_domain mechanism to fix it. The scalable mode context entry which is not part of release domain should be cleared in release_device().</p> https://vulnerability.circl.lu/vuln/cve-2024-27079