CVE-2026-80898

In the Linux kernel, the following vulnerability has been resolved: netfs: clear PGprivate2 on copy-to-cache append failure netfspgpriv2copytocache marks the folio with PGprivate2 before netfspgpriv2copyfolio appends it to the copy-to-cache rolling buffer. If the append fails, the folio is not...

UBUNTU-CVE-2026-80888

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: drop dmabuf reference on foreign-fd prime import ttmprimefdtohandle returns -ENOSYS when the imported fd's dmabuf-ops do not match the ttmobjectdevice's ops, but does so without releasing the reference acquired by...

CVE-2026-80890

In the Linux kernel, the following vulnerability has been resolved: sctp: reject stale cookies with mismatched verification tags sctpunpackcookie skips cookie expiration checks whenever an association already exists. This is broader than the exception in RFC 9260 Section 5.2.4. For an existing...

CVE-2026-80892

In the Linux kernel, the following vulnerability has been resolved: erofs: cap LZMA stream pool size fs/erofs/decompressorlzma.c sizes the module-global MicroLZMA stream pool from numpossiblecpus when the lzmastreams module parameter is unset, then zerofsloadlzmaconfig preallocates one...

CVE-2026-80912 selinux: reject an unclaimed class value in security_get_classes()

In the Linux kernel, the following vulnerability has been resolved: selinux: reject an unclaimed class value in securitygetclasses securitygetclasses sizes an array by pclasses.nprim and fills it at value - 1, so a class value the policy never defines leaves a NULL. selmakeclasses passes every...

CVE-2026-80885

In the Linux kernel, the following vulnerability has been resolved: afs: Fix uncancelled rxrpc OOB message handler Fix AFS to cancel its OOB message processing typically to respond to security challenges. Also move OOB message processing to afswq so that it's also waited for and make the OOB...

CVE-2026-80879

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix circular locking dependency in ocfs2dioendiowrite A circular locking dependency involves INODEALLOCSYSTEMINODE, EXTENTALLOCSYSTEMINODE, and ORPHANDIRSYSTEMINODE. 1. ocfs2mknod acquires INODEALLOC then EXTENTALLOC. 2...

CVE-2026-80869

In the Linux kernel, the following vulnerability has been resolved: ntfs: bound the attribute-list entry in ntfsreadinodemount The $MFT attribute-list walk in ntfsreadinodemount validates each entry only with "u8 alentry + 6 alend" and "u8 alentry + le16tocpualentry-length alend", but then reads...

CVE-2026-80793

In the Linux kernel, the following vulnerability has been resolved: ipv4: reject undersized MTUs in ipdofragment ipdofragment subtracts the IPv4 header length from the effective MTU and passes the resulting payload MTU to ipfragnext. If the effective MTU is smaller than hlen + 8, ipfragnext round...

CVE-2026-80843

In the Linux kernel, the following vulnerability has been resolved: xfrm: fix xfrmstateconstruct auth-trunc leak attachauthtrunc can allocate x-aalg while leaving x-props.aalgo at zero when the selected auth algorithm has no sadbalgid. One real case is cmacaes. xfrmstateconstruct then treats...

CVE-2026-80790

In the Linux kernel, the following vulnerability has been resolved: nvmet-fc: fix invalid free in LS IOD error path nvmetfcalloclsiodlist advances iod while initializing the LS IOD array. If an rqstbuf allocation or response buffer DMA mapping fails, the unwind loop decrements iod past the start ...

CVE-2026-80782

In the Linux kernel, the following vulnerability has been resolved: HID: magicmouse: do not keep a stale msc-input if no input is claimed magicmouseinputmapping caches the first hidinput's inputdev in msc-input while the report descriptor is parsed, and the rest of the driver treats a non-NULL...

CVE-2026-80807

In the Linux kernel, the following vulnerability has been resolved: nilfs2: reject invalid block index in GC ioctl Syzbot reported list corruption caused by a double listaddtail call on bh-bassocbuffers within nilfslookupdirtydatabuffers. Analysis revealed that the root cause was the insertion of...

CVE-2026-80859

In the Linux kernel, the following vulnerability has been resolved: fuse: fix missing barrier when checking io-uring readiness fuseblockalloc reads fch-initialized and then fch-iouring. fch-iouring is set before fch-initialized, ordered by the smpwmb in fusechansetintialized, but fuseblockalloc h...

CVE-2026-80818

In the Linux kernel, the following vulnerability has been resolved: iommu/tegra241-cmdqv: Fix CMDSYNC use-after-free on teardown armsmmuimplremove is registered as a devres action in armsmmuimplprobe, before armsmmuinitqueues allocates smmu-cmdq.q.base. On a devres unwind, whether a failed probe ...

CVE-2026-80771

In the Linux kernel, the following vulnerability has been resolved: HID: nintendo: register input device after capabilities are set inputregisterdevice exposes the device to userspace immediately. In joyconinputcreate it was called before joyconconfigrumble configures the FFRUMBLE capability and...

CVE-2026-80858

In the Linux kernel, the following vulnerability has been resolved: fuse: publish io-uring queues with release semantics fuseuringcreatequeue initializes a fuseringqueue and then publishes the pointer into ring-queuesqid with WRITEONCE under the fch-lock. There are several readers that may...

CVE-2026-80778

In the Linux kernel, the following vulnerability has been resolved: futex/pi: Reject cross-mm private futex owners A private futex key borrows the waiter's mm without taking an mmusers reference. Nevertheless, attachtopiowner currently accepts an owner from a different address space and copies th...

CVE-2026-80850

In the Linux kernel, the following vulnerability has been resolved: tcp: fix AO info use-after-free in tcpaoconnectinit tcpv4connect adds a SYN-SENT socket to the ehash before calling tcpconnect. If TCP-AO is configured, tcpconnect first verifies that a key matches the peer and the bound device's...

CVE-2026-80863

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix OOB in freerdatomicresources freerdatomicresources iterates using qp-attr.maxdestrdatomic. Updating maxdestrdatomic before freeing the old array can make the free path walk past the old allocation and trigger a slab...