UBUNTU-CVE-2026-72280

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: nv: Drop bogus WARN for write to ZCREL2 It is entirely possible for a guest to write to the ZCREL2 sysreg alias while in a nested context, as it is expected if FEATNV2 is advertised to the L1 hypervisor. Get rid of th...

CVE-2026-72150

In the Linux kernel, the following vulnerability has been resolved: sunrpc: fix uninitialized xprtcreateargs structure The xprtcreateargs structure is allocated on the stack without initialization in rpcsysfsxprtswitchaddxprtstore. While some fields are manually populated, critical fields like...

CVE-2026-72162

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix UBSAN array-index-out-of-bounds in ocfs2sumrightmostrec BUG On-disk corruption setting lnextfreerec to 0 in an inode's embedded extent list triggers a UBSAN panic on the next write to that file. CAUSE...

CVE-2026-72036

In the Linux kernel, the following vulnerability has been resolved: net/sched: schmultiq: Replace direct dequeue call with peek and qdiscdequeuepeeked multiqdequeue takes a packet from a band's child with a direct -dequeue call after multiqpeek peeked it. When the child is non-work-conserving the...

CVE-2026-72034

In the Linux kernel, the following vulnerability has been resolved: fhandle: reject detached mounts in capablewrtmount The recent fhandle RCU fix moved the mount namespace capability check into capablewrtmount, so a non-NULL mntnamespace survives the nscapable dereference. The helper still assume...

CVE-2026-72284

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Ignore pending PV EOI if the vCPU has since disabled PV EOIs Ignore KVM's internal "service pending PV EOI" request if the vCPU has disabled PV EOIs since the request was made. Asserting that PV EOIs are enabled can fai...

CVE-2026-72191

In the Linux kernel, the following vulnerability has been resolved: ntfs3: validate split-point offset in indxinsertintobuffer indxinsertintobuffer computes used = used1 - tocopy - spsize; memmovedet, Add2Ptrsp, spsize, used - le32tocpuhdr1-deoff; where sp and spsize come from hdrfindsplit...

CVE-2026-72008

In the Linux kernel, the following vulnerability has been resolved: pmdomain: mediatek: Fix possible nullptr KP in HWV cleanup/on-check Should probe fail for HWVOTER type power domains, this driver was unconditionally trying to perform cleanup for DIRECTCTL domains, but only after checking if the...

CVE-2026-68463

In the Linux kernel, the following vulnerability has been resolved: mmc: sdhci-esdhc-imx: use pmruntimeresumeandget in suspend Replace pmruntimegetsync with pmruntimeresumeandget to simplify error handling. pmruntimeresumeandget automatically drops the usage counter on failure, avoiding the need...

CVE-2026-68463

In the Linux kernel, the following vulnerability has been resolved: mmc: sdhci-esdhc-imx: use pmruntimeresumeandget in suspend Replace pmruntimegetsync with pmruntimeresumeandget to simplify error handling. pmruntimeresumeandget automatically drops the usage counter on failure, avoiding the need...

UBUNTU-CVE-2026-68463

In the Linux kernel, the following vulnerability has been resolved: mmc: sdhci-esdhc-imx: use pmruntimeresumeandget in suspend Replace pmruntimegetsync with pmruntimeresumeandget to simplify error handling. pmruntimeresumeandget automatically drops the usage counter on failure, avoiding the need...

CVE-2026-74429

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix the reception of a reply packet before data transmission Fix rxrpcreceivingreply to handle the reception of an apparent reply DATA packet before rxrpc has had a chance to send any request DATA packets on a client call ...

CVE-2026-74411

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw89: Correct data type for scan index to avoid infinite loop A kernel soft lockup was observed during Wi-Fi scanning on the 6GHz band. The CPU becomes stuck in rtw89hwscanaddchanax for over 20 seconds, leading to a system...

CVE-2026-74411 wifi: rtw89: Correct data type for scan index to avoid infinite loop

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw89: Correct data type for scan index to avoid infinite loop A kernel soft lockup was observed during Wi-Fi scanning on the 6GHz band. The CPU becomes stuck in rtw89hwscanaddchanax for over 20 seconds, leading to a system...

CVE-2026-74374

In the Linux kernel, the following vulnerability has been resolved: md/raid1,raid10: fix error-path detection with mdclonedbio Detect the error path using mdclonedbio instead of relying on r1bio in raid1 or r10bio-readslot in raid10, which may be NULL or -1 after splitting and resubmitting a fail...

CVE-2026-74274

The CVE-2026-74274 entry concerns the Linux kernel cxl/region auto-discovery logic. A NULL hole in a region’s target array (introduced when an endpoint decoder is removed or detached) could lead to null dereferences (possible Oops: general protection fault) or miscounting targets when lock flags ...

CVE-2026-74274 cxl/region: Fill first free targets[] slot during auto-discovery

In the Linux kernel, the following vulnerability has been resolved: cxl/region: Fill first free targets slot during auto-discovery Any invalid endpoint decoder pointer in the target array of an active region is not allowed by cxl driver. This means cxl driver always assumes the first p-nrtargets...

CVE-2026-74268 tcp: clear sock_ops cb flags before force-closing a child socket

In the Linux kernel, the following vulnerability has been resolved: tcp: clear sockops cb flags before force-closing a child socket A child socket inherits the listener's bpfsockopscbflags via skclonelock. If its setup fails in tcpv4synrecvsock / tcpv6synrecvsock, the child is freed through...

CVE-2026-74267

The CVE concerns the Linux kernel’s traffic scheduler (net/sched sch_codel). During a peek when codel drops packets, qdisc_tree_reduce_backlog is called before the qlen is re-incremented, potentially deactivating the parent class while 1 packet remains, risking a wild memory access in certain qdi...

CVE-2026-74267 net/sched: sch_codel: Do not call qdisc_tree_reduce_backlog during peek before restoring qlen

In the Linux kernel, the following vulnerability has been resolved: net/sched: schcodel: Do not call qdisctreereducebacklog during peek before restoring qlen Whenever codel drops packets during peek, it calls qdisctreereducebacklog. An issue arises because it calls qdisctreereducebacklog before i...