UBUNTU-CVE-2026-43193

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix nfs4file refcount leak in nfsdgetdirdeleg Claude pointed out that there is a nfs4file refcount leak in nfsdgetdirdeleg. Ensure that the reference to "fp" is released before returning...

UBUNTU-CVE-2026-43260

In the Linux kernel, the following vulnerability has been resolved: bnxten: Fix RSS context delete logic We need to free the corresponding RSS context VNIC in FW everytime an RSS context is deleted in driver. Commit 667ac333dbb7 added a check to delete the VNIC in FW only when netifrunning is tru...

CVE-2026-43271

In the Linux kernel, the following vulnerability has been resolved: md-cluster: fix NULL pointer dereference in processmetadataupdate The function processmetadataupdate blindly dereferences the 'thread' pointer acquired via rcudereferenceprotected within the waitevent macro. While the code commen...

CVE-2026-43281

In the Linux kernel, the following vulnerability has been resolved: mailbox: Prevent out-of-bounds access in fwmboxindexxlate Although it is guided that mbox-cells must be at least 1, there are many instances of mbox-cells = ; in the device tree. If that is the case and the corresponding mailbox...

CVE-2026-43168

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix reflink preserve cleanup issue commit c06c303832ec "ocfs2: fix xattr array entry countedby error" doesn't handle all cases and the cleanup job for preserved xattr entries still has bug: - the 'last' pointer should be...

UBUNTU-CVE-2026-43161

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Skip dev-iotlb flush for inaccessible PCIe device without scalable mode PCIe endpoints with ATS enabled and passed through to userspace e.g., QEMU, DPDK can hard-lock the host when their link drops, either by surprise...

CVE-2026-43146

In the Linux kernel, the following vulnerability has been resolved: media: iris: Add buffer to list only after successful allocation Move listaddtail to after dmaallocattrs succeeds when creating internal buffers. Previously, the buffer was enqueued in buffers-list before the DMA allocation. If t...

UBUNTU-CVE-2026-43190

In the Linux kernel, the following vulnerability has been resolved: netfilter: xttcpmss: check remaining length before reading optlen Quoting reporter: In net/netfilter/xttcpmss.c lines 53-68, the TCP option parser reads opi+1 directly without validating the remaining option length. If the last...

UBUNTU-CVE-2026-43180

In the Linux kernel, the following vulnerability has been resolved: net: usb: kaweth: remove TX queue manipulation in kawethsetrxmode kawethsetrxmode, the ndosetrxmode callback, calls netifstopqueue and netifwakequeue. These are TX queue flow control functions unrelated to RX multicast...

UBUNTU-CVE-2025-71289

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: handle attrsetsize errors when truncating files If attrsetsize fails while truncating down, the error is silently ignored and the inode may be left in an inconsistent state...

CVE-2025-71289

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: handle attrsetsize errors when truncating files If attrsetsize fails while truncating down, the error is silently ignored and the inode may be left in an inconsistent state...

UBUNTU-CVE-2026-43198

In the Linux kernel, the following vulnerability has been resolved: tcp: fix potential race in tcpv6synrecvsock Code in tcpv6synrecvsock after the call to tcpv4synrecvsock is done too late. After tcpv4synrecvsock, the child socket is already visible from TCP ehash table and other cpus might use i...

UBUNTU-CVE-2026-43209

In the Linux kernel, the following vulnerability has been resolved: minix: Add required sanity checking to minixchecksuperblock The fs/minix implementation of the minix filesystem does not currently support any other value for slogzonesize than 0. This is also the only value supported in...

UBUNTU-CVE-2025-71274

In the Linux kernel, the following vulnerability has been resolved: rpmsg: core: fix race in driveroverrideshow and use core helper The driveroverrideshow function reads the driveroverride string without holding the devicelock. However, the store function modifies and frees the string while holdi...

CVE-2026-43278 dm: clear cloned request bio pointer when last clone bio completes

In the Linux kernel, the following vulnerability has been resolved: dm: clear cloned request bio pointer when last clone bio completes Stale rq-bio values have been observed to cause double-initialization of cloned bios in request-based device-mapper targets, leading to use-after-free and...

CVE-2026-43268 hfsplus: pretend special inodes as regular files

In the Linux kernel, the following vulnerability has been resolved: hfsplus: pretend special inodes as regular files Since commit af153bb63a33 "vfs: catch invalid modes in mayopen" requires any inode be one of SIFDIR/SIFLNK/SIFREG/SIFCHR/SIFBLK/ SIFIFO/SIFSOCK type, use SIFREG for special inodes...

CVE-2026-43265 KVM: x86: Ignore -EBUSY when checking nested events from vcpu_block()

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Ignore -EBUSY when checking nested events from vcpublock Ignore -EBUSY when checking nested events after exiting a blocking state while L2 is active, as exiting to userspace will generate a spurious userspace exit,...

CVE-2026-43256

CVE-2026-43256 is a Linux kernel vulnerability in the media subsystem (Qualcomm CAMSS VM) where the vfe_isr_reg_update() function may perform an out-of-bounds access. The code loops with MSM_VFE_IMAGE_MASTERS_NUM(7) but accesses vfe->line[] defined as struct vfe_line lineVFE_LINE_NUM_MAX . Whe...

CVE-2026-43256 media: qcom: camss: vfe: Fix out-of-bounds access in vfe_isr_reg_update()

In the Linux kernel, the following vulnerability has been resolved: media: qcom: camss: vfe: Fix out-of-bounds access in vfeisrregupdate vfeisr iterates using MSMVFEIMAGEMASTERSNUM7 as the loop bound and passes the index to vfeisrregupdate. However, vfe-line array is defined with VFELINENUMMAX4:...

CVE-2026-43251

CVE-2026-43251 affects the Linux kernel HID prodikeys driver. A local attacker can connect a crafted USB device whose report descriptor bypasses the pm->input_ep82 check, leaving input_ep82 NULL and causing a crash (potential DoS). Multiple OSV entries show patches in rootio-linux packages for...