CVE-2026-74479

In the Linux kernel, the following vulnerability has been resolved: net: pktgen: fix proc entry use-after-free pktgenchangename replaces pktdev-entry while holding t-iflock. pktgenremovedevice removes the same entry before remdevfromiflist takes that lock. This allows the following interleaving:...

CVE-2026-74479 net: pktgen: fix proc entry use-after-free

In the Linux kernel, the following vulnerability has been resolved: net: pktgen: fix proc entry use-after-free pktgenchangename replaces pktdev-entry while holding t-iflock. pktgenremovedevice removes the same entry before remdevfromiflist takes that lock. This allows the following interleaving:...

MINI-288C-P7Q7-27QF

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CVE-2026-74439

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Clear Present bit before tearing down scalable-mode context entry devicepasidtableteardown zeroes the 128-bit scalable-mode context entry with contextclearentry while the Present bit is still set. This creates a windo...

UBUNTU-CVE-2026-74439

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Clear Present bit before tearing down scalable-mode context entry devicepasidtableteardown zeroes the 128-bit scalable-mode context entry with contextclearentry while the Present bit is still set. This creates a windo...

UBUNTU-CVE-2026-74337

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix NMI/tracepoint re-entry deadlock on lru locks NMI and tracepoint BPF programs can re-enter the per-CPU or global LRU lock that bpflrupopfree/pushfree already hold on the same CPU, AA-deadlocking. Lockdep reports...

UBUNTU-CVE-2026-72454

In the Linux kernel, the following vulnerability has been resolved: i3c: mipi-i3c-hci: Fix race in i3chciaddrtodev i3chciaddrtodev walks bus-devs.i3c, which is protected by bus.lock rwsem. However, it is invoked from the MIPI I3C HCI IRQ handler, which cannot take bus.lock. This allows concurrent...

CVE-2026-74439

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Clear Present bit before tearing down scalable-mode context entry devicepasidtableteardown zeroes the 128-bit scalable-mode context entry with contextclearentry while the Present bit is still set. This creates a windo...

CVE-2026-72201

In the Linux kernel, the following vulnerability has been resolved: ntfs: validate index entries on reading Validate index entries immediately after reading an index root or index block from disk. This eliminates repeated checks in lookup and readdir, and reduce the risk of missing checks in thos...

CVE-2026-72173

In the Linux kernel, the following vulnerability has been resolved: fs/proc/taskmmu: do not warn on seeing non-migration pmd entry Patch series "mm/hmm: A fix and a selftest", v3. Patch 1 fixes a stale warning present from the time when only migration softleaf entries were supported at the PMD...

UBUNTU-CVE-2026-72173

In the Linux kernel, the following vulnerability has been resolved: fs/proc/taskmmu: do not warn on seeing non-migration pmd entry Patch series "mm/hmm: A fix and a selftest", v3. Patch 1 fixes a stale warning present from the time when only migration softleaf entries were supported at the PMD...

UBUNTU-CVE-2026-72033

In the Linux kernel, the following vulnerability has been resolved: orangefs: keep the readdir entry size 64-bit in fillfrompart fillfrompart computes the size of a directory entry in sizet but stores it in a u32. An entry length near U32MAX wraps it to a small value, bypasses the bounds check, a...

UBUNTU-CVE-2026-72201

In the Linux kernel, the following vulnerability has been resolved: ntfs: validate index entries on reading Validate index entries immediately after reading an index root or index block from disk. This eliminates repeated checks in lookup and readdir, and reduce the risk of missing checks in thos...

CVE-2026-72208

In the Linux kernel, the following vulnerability has been resolved: ntfs: add bounds check before accessing EA entries in ntfsealookup and ntfslistxattr, this verifies that there is enough space in the EA entry before accessing the nextentryoffset field of the EA entry...

CVE-2026-72138

In the Linux kernel, the following vulnerability has been resolved: xen/gntdev: fix error handling in ioctl When gntdevioctlmapgrantref fails to copy the operation result back to userspace after successfully adding the mapping to the list, the error path returns -EFAULT without releasing the...

CVE-2026-72201

In the Linux kernel, the following vulnerability has been resolved: ntfs: validate index entries on reading Validate index entries immediately after reading an index root or index block from disk. This eliminates repeated checks in lookup and readdir, and reduce the risk of missing checks in thos...

CVE-2026-72180

In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: preserve pmdswpuffdwp on device-private PMD downgrade changenonpresenthugepmd rewrites a writable device-private PMD swap entry into a readable one without carrying pmdswpuffdwp across. The PTE-level...

CVE-2026-74439

CVE-2026-74439 affects the Linux kernel IOMMU VT-d path. The vulnerability arises in device_pasid_table_teardown(), which zeroes a 128‑bit scalable‑mode context entry while the Present bit is still set. This creates a window where a torn entry could be fetched by the hardware with some fields alr...

CVE-2026-74439 iommu/vt-d: Clear Present bit before tearing down scalable-mode context entry

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Clear Present bit before tearing down scalable-mode context entry devicepasidtableteardown zeroes the 128-bit scalable-mode context entry with contextclearentry while the Present bit is still set. This creates a windo...

CVE-2026-74439 iommu/vt-d: Clear Present bit before tearing down scalable-mode context entry

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Clear Present bit before tearing down scalable-mode context entry devicepasidtableteardown zeroes the 128-bit scalable-mode context entry with contextclearentry while the Present bit is still set. This creates a windo...