UBUNTU-CVE-2026-80707

In the Linux kernel, the following vulnerability has been resolved: can: j1939: transport: j1939sessionfreshnew: initialize receive buffer Zero the allocated buffer in j1939sessionfreshnew to ensure it contains no residual data. While there is a potential performance impact if users allocate...

UBUNTU-CVE-2026-80666

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: sco: Fix a race condition in scosocktimeout scosocktimeout runs asynchronously and locksocksk. If the socket is closing while the timer is running, it holds the same lock locksocksk twice, leading to a deadlock. CPU 0...

UBUNTU-CVE-2026-80724

In the Linux kernel, the following vulnerability has been resolved: ptp: vmclock: prevent read-only mappings from becoming writable vmclockmiscdevmmap rejects writable mappings of the shared vmclock ABI page with -EROFS, but leaves VMMAYWRITE set. Userspace can map the page read-only and then...

UBUNTU-CVE-2026-80698

In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: fix double free of wq, engine, and group structs The release callbacks for wq, engine, and group devices idxdconfwqrelease, idxdconfenginerelease, idxdconfgrouprelease each call kfree on the enclosing struct. The...

UBUNTU-CVE-2026-80625

In the Linux kernel, the following vulnerability has been resolved: RDMA/hns: Fix memory leak of bonding resources In a corner case of concurrent driver removal and driver reset, bonding resource is first released in hnsrocehwv2exit during driver removal, and then is allocated again in...

UBUNTU-CVE-2026-80598

In the Linux kernel, the following vulnerability has been resolved: ntfs3: fix out-of-bounds read in decompresslznt decompresslznt does not validate array index bounds before accessing the decompression table. A corrupted NTFS3 image with invalid compressed data can trigger an out-of-bounds read...

UBUNTU-CVE-2026-80705

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: check if dml21addphantomplane is successful Verify that the phantom plane was allocated to avoid a later segfault. cherry picked from commit 5adb54abe5a8e82cbff7f8806db30a5f4924329f...

UBUNTU-CVE-2026-80699

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: vgic: Avoid double-deactivate of IRQs in the nested context In the nested state, the physical interrupt has already been deactivated through the HW bit in the LR. The extra deactivation would be harmless but can hit a...

UBUNTU-CVE-2026-80591

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix listxattr handling of corrupted xattr entries Validate the xattr entry before reading its fields in f2fslistxattr. Return -EFSCORRUPTED when the entry is outside the valid xattr storage area instead of returning a...

UBUNTU-CVE-2026-80721

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: ensure no dangling hcon references in isoconn After isoconndel, ISO sockets should not dereference the hcon any more. Currently, clearing isoconn::hcon relies on isoconndel releasing the last reference to the...

UBUNTU-CVE-2026-80685

In the Linux kernel, the following vulnerability has been resolved: mm/util: don't read page2 for order-1 folios in snapshotpage snapshotpage currently reads page2 after checking nrpages 1, but it should only do so when nrpages 2. If an order-1 folio is allocated at the end of a vmemmap section,...

UBUNTU-CVE-2026-80693

In the Linux kernel, the following vulnerability has been resolved: idpf: bound interrupt-vector register fill to the allocated array idpfgetregintrvecs fills the caller-allocated regvals array from the VIRTCHNL2OPALLOCVECTORS reply in adapter-reqvecchunks, bounding its inner loop only by the...

UBUNTU-CVE-2026-80596

In the Linux kernel, the following vulnerability has been resolved: Input: ims-pcu - only expose sysfs attributes on control interface When the driver was converted to use the driver core to instantiate device attributes via .devgroups in the usbdriver structure, the attributes started appearing ...

UBUNTU-CVE-2026-80592

In the Linux kernel, the following vulnerability has been resolved: samples/damon/mtier: fail early if address range parameters are invalid The comment on top of struct damonregion clearly says that For any use case, @ar should be non-zero positive size. which is now verified in...

CVE-2026-80626

In the Linux kernel, the following vulnerability has been resolved: powerpc/perf: fix preempt count underflow in fslembpmudel fslembpmudel unconditionally calls putcpuvarcpuhwevents at the 'out:' label, but only calls the matching getcpuvar after the 'i hw.idx is negative the function jumps to...

CVE-2026-80637

In the Linux kernel, the following vulnerability has been resolved: netfilter: synproxy: fix unaligned memory access in timestamp adjustment Use getunalignedbe32 and putunalignedbe32 to safely read and write the timestamp fields. This prevents performance degradation due to unaligned memory acces...

CVE-2026-80624

In the Linux kernel, the following vulnerability has been resolved: mfd: cs42l43: Sanity check firmware size Currently the code checks if a firmware was received, however it does not verify that the firmware size is larger than the firmware header. As the firmware pointer is dereferenced as a...

CVE-2026-80636

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: revert ct extension genid infrastructure This infrastructure is not used anymore after moving ct timeout and helper to use datapath refcount to track object use. Revert commit c56716c69ce1 "netfilter:...

CVE-2026-80634

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: avoid numencaps underflow on bridge VLAN untag The DEVPATHBRVLANUNTAG case post-decrements info-numencaps inside WARNONONCE. numencaps is u8, so if it's already 0 the decrement still happens and wraps it to...

CVE-2026-80623

In the Linux kernel, the following vulnerability has been resolved: coresight: ete: Always save state on power down System register ETMs and ETE are unlikely to be preserved on CPU power down. The ETE DT binding also never documented "arm,coresight-loses-context-with-cpu" so nobody would have...