UBUNTU-CVE-2026-80631

In the Linux kernel, the following vulnerability has been resolved: btrfs: lzo: reject compressed segment that overflows the compressed input lzodecompressbio validates each on-disk segment length seglen only against the workspace cbuf size, not against the compressed input size compressedlen, th...

UBUNTU-CVE-2026-80658

In the Linux kernel, the following vulnerability has been resolved: drm/rockchip: dwdp: Fix null-ptr-deref in dwdpremove Attempting to access driver data in the platform driver -remove callback may lead to a null pointer dereference since there is no guaranty that the component -bind callback...

CVE-2026-80697

In the Linux kernel, the following vulnerability has been resolved: erofs: ensure valid fpath for page cache sharing Previously, backing files for page cache sharing were set up with fpath left as NULL only finode was valid. It worked, but a recent mincore fix relies on fpath.mnt and crashes foun...

CVE-2026-80661

In the Linux kernel, the following vulnerability has been resolved: ufs: core: tracing: Do not dereference pointers in TPprintk The trace events in drivers/ufs/core/ufstrace.h were converted to take a pointer to the hba structure as an argument for the tracepoint and then in TPprintk the printing...

CVE-2026-80668

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntrackexpect: use conntrack GC to reap expectations This patch replaces the timer API by GC worker approach for expectations, as it already happened in many other subsystems. Use the existing conntrack GC worker t...

CVE-2026-80651

In the Linux kernel, the following vulnerability has been resolved: crypto: ccp/sev-dev-tsm - bail out early when pdev-bus is NULL dsmcreate initially checks pdev-bus when computing segmentid: u8 segmentid = pdev-bus ? pcidomainnrpdev-bus : 0; But the next two lines unconditionally dereference...

CVE-2026-80643

In the Linux kernel, the following vulnerability has been resolved: EDAC/igen6: Fix call trace due to missing release When unloading the igen6edac driver, there is a call trace: Device 'null' does not have a release function, it is broken and must be fixed. See Documentation/core-api/kobject.rst...

CVE-2026-80632

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7996: Fix NULL pointer dereference in mt7996inittxqueues When MT76NPU and CONFIGNETMEDIATEKSOCWED are enabled and mt76 detects properly the Airoha NPU SoC, mt7996inittxqueues will dereference a NULL WED pointer. Fix...

CVE-2026-80701

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: enforce cursor size limits for MOB cursors vmwcursorplaneatomiccheck bounds cursor width and height only on the legacy update path; the SVGACAP2CURSORMOB path -- the default on modern hosts -- accepts any size. When t...

CVE-2026-80691

In the Linux kernel, the following vulnerability has been resolved: scsi: target: iblock: Fix wrong PR ops NULL check for PREEMPT/RELEASE In the iblockexecuteprout function, PROPREEMPT, PROPREEMPTANDABORT, and PRORELEASE all perform callback capability checks through ops-prclear. The error check...

UBUNTU-CVE-2026-80620

In the Linux kernel, the following vulnerability has been resolved: Revert "PCI/MSI: Unmap MSI-X region on error" This reverts commit 1a8d4c6ecb4c81261bcdf13556abd4a958eca202. Commit 1a8d4c6ecb4c "PCI/MSI: Unmap MSI-X region on error" added an iounmapdev-msixbase on the error path of...

UBUNTU-CVE-2026-80612

In the Linux kernel, the following vulnerability has been resolved: net: lwtunnel: Drop skb metadata before LWT encapsulation skb metadata is meant for passing information between XDP and TC. It lives in the skb headroom, immediately before skb-data. LWT programs cannot access the skbuff-datameta...

UBUNTU-CVE-2026-80670

In the Linux kernel, the following vulnerability has been resolved: perf tools: Use perfenvgetcputopology in machineresolve machineresolve accesses env-cpual-cpu.socketid after checking al-cpu = 0 and env-cpu != NULL, but without validating al-cpu against env-nrcpusavail. Since al-cpu comes from...

UBUNTU-CVE-2026-80689

In the Linux kernel, the following vulnerability has been resolved: tracing/mmiotrace: Add NULL check for mmiotracearray in logging functions mmiotracerw and mmiotracemapping retrieve mmiotracearray into tr and pass it to tracemmiotracerw and tracemmiotracemap. If these functions are invoked whil...

CVE-2026-80620

In the Linux kernel, the following vulnerability has been resolved: Revert "PCI/MSI: Unmap MSI-X region on error" This reverts commit 1a8d4c6ecb4c81261bcdf13556abd4a958eca202. Commit 1a8d4c6ecb4c "PCI/MSI: Unmap MSI-X region on error" added an iounmapdev-msixbase on the error path of...

CVE-2026-80603

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntrackirc: fix parsedcc off-by-one OOB read parsedcc treats dataend as an inclusive end pointer, but its only caller passes datalimit = ibptr + datalen, which points one past the last valid byte. The newline searc...

CVE-2026-80614

In the Linux kernel, the following vulnerability has been resolved: net: emac: Fix NULL pointer dereference in emacprobe Move devmrequestirq after devmplatformioremapresource so that dev-emacp is mapped before the interrupt handler can fire. An early interrupt hitting emacirq would dereference th...

UBUNTU-CVE-2026-80679

In the Linux kernel, the following vulnerability has been resolved: s390/dasd: Fix potential NULL pointer dereference dasdreleasespace checks the implementation of the isese discipline function before calling it to determine if a given device is an ESE DASD. The current usage of the logical AND...

UBUNTU-CVE-2026-80646

In the Linux kernel, the following vulnerability has been resolved: ipv6: guard against possible NULL deref in in6devstatsget devgetbyindexrcu could return NULL if the original physical device is unregistered. Found by Sashiko...

UBUNTU-CVE-2026-80661

In the Linux kernel, the following vulnerability has been resolved: ufs: core: tracing: Do not dereference pointers in TPprintk The trace events in drivers/ufs/core/ufstrace.h were converted to take a pointer to the hba structure as an argument for the tracepoint and then in TPprintk the printing...