CVE-2026-64181

In the Linux kernel, the following vulnerability has been resolved: mm: fix vmnormalpage to handle missing support for pmdspecial/pudspecial On x86 32-bit with THP enabled, zaphugepmd is seen to generate a "WARNING: mm/memory.c:735 at vmnormalpage+0x6a/0x7d", from the VMWARNONONCEiszeropfnpfn ||...

CVE-2026-64002

In the Linux kernel, the following vulnerability has been resolved: ipv4: free net-ipv4.sysctllocalreservedports after unregisternetsysctltable ipv4sysctlexitnet is currently freeing net-ipv4.sysctllocalreservedports too soon. Only after unregisternetsysctltable we can be sure no threads can...

CVE-2026-63926

In the Linux kernel, the following vulnerability has been resolved: bpf: sockmap: fix tail fragment offset in bpfmsgpushdata When bpfmsgpushdata inserts data in the middle of a scatterlist entry, it splits the original entry into a left fragment and a right fragment. The right fragment offset is...

CVE-2026-63936

In the Linux kernel, the following vulnerability has been resolved: iio: adc: mt6359: fix unchecked return value in mt6358readimp In mt6358readimp, the variable valv is passed to regmapread but the return value is not checked. If the read fails, valv remains uninitialized and its random stack...

CVE-2026-63940

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Ignore Port I/O requests of length '0' Explicitly ignore Port I/O requests of length '0' or count '0', so that setting up the software scratch area and other code doesn't have to worry about underflowing the length, and...

UBUNTU-CVE-2026-63883

In the Linux kernel, the following vulnerability has been resolved: serial: qcomgeni: fix kfifo underflow when flush precedes DMA completion IRQ When uartflushbuffer runs before the DMA completion IRQ is delivered, the following race can occur all steps serialized by uartportlock: 1. DMA starts:...

UBUNTU-CVE-2026-63932

In the Linux kernel, the following vulnerability has been resolved: iio: chemical: mhz19b: reject oversized serial replies mhz19breceivebuf appends each serdev chunk into the fixed MHZ19BCMDSIZE receive buffer and advances bufidx by len without checking that the chunk fits in the remaining space....

UBUNTU-CVE-2026-64079

In the Linux kernel, the following vulnerability has been resolved: netfilter: xtables: allocate hook ops while under mutex arp/ip6tregistertable add the table to the per-netns list via xtregistertable before allocating the per-netns hook ops copy via kmemduparray. This leaves a window where the...

UBUNTU-CVE-2026-64061

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix early put of sink folio in netfsreadgaps Fix netfsreadgaps to release the sink page it uses after waiting for the request to complete. The way the sink page is used is that an ITERBVEC-class iterator is created that ha...

BIT-RCLONE-2026-59733 rclone `serve restic --private-repos` authorization bypass: `..` in the URL path lets an authenticated user read, overwrite and delete other users' repositories

Rclone is a command-line program to sync files and directories to and from different cloud storage providers. Prior to 1.74.4, rclone serve restic --private-repos enforces authorization using the routed user path segment while building the backend object key from the raw uncleaned URL path,...

SUSE CVE-2026-53369

In the Linux kernel, the following vulnerability has been resolved: udf: reject descriptors with oversized CRC length udfreadtagged skips CRC verification when descCRCLength + sizeofstruct tag exceeds the block size. A crafted UDF image can set descCRCLength to an oversized value to bypass CRC...

CVE-2026-64090

In the Linux kernel, the following vulnerability has been resolved: batman-adv: tt: avoid empty VLAN responses The commit 16116dac2339 "batman-adv: prevent TT request storms by not sending inconsistent TT TLVLs" added checks to the local direct TT response code. But the response can also be done...

CVE-2026-63981

In the Linux kernel, the following vulnerability has been resolved: net/sched: actmirred: Fix blockcast recursion bypass leading to stack overflow tcfmirredact checks schedmirrednest against MIRREDNESTLIMIT 4 to prevent deep recursion. However, when the action uses blockcast tcfmblockid != 0, the...

CVE-2026-63959

In the Linux kernel, the following vulnerability has been resolved: usb: typec: tcpm/tcpcimaxim: validate header NDO against RXBYTECNT A broken/malicious port can transmit a CRC-valid frame whose header advertises up to seven data objects but whose body carries fewer than that. Check for this, an...

CVE-2026-63920

In the Linux kernel, the following vulnerability has been resolved: ipv6: validate extension header length before copying to cmsg ip6datagramrecvspecificctl builds IPV6HOPOPTS,DSTOPTS,RTHDR cmsgs and their IPV62292 legacy counterparts by trusting the on-wire hdrlen byte ptr1 when computing the...

CVE-2026-64092

In the Linux kernel, the following vulnerability has been resolved: batman-adv: tpmeter: fix tpvars reference leak in receiver shutdown The receiver shutdown timer handler, batadvtpreceivershutdown, is responsible for releasing the tpvars reference it holds. However, the existing logic for...

CVE-2026-64166 firmware: arm_ffa: Check for NULL FF-A ID table while driver registration

In the Linux kernel, the following vulnerability has been resolved: firmware: armffa: Check for NULL FF-A ID table while driver registration The bus match callback assumes that every FF-A driver provides an idtable and dereferences it unconditionally. Enforce that contract at registration time so...

CVE-2026-64151

The CVE-2026-64151 entry concerns the Linux kernel iommupt component, where a driver could omit PAGE_SIZE from the pgsize_bitmap. The root cause is that removing PAGE_SIZE from the bitmap is technically allowed but would leave an iommu_domain unused with the DMA API; the design is violated. The d...

CVE-2026-64137

The CVE-2026-64137 issue affects the Linux kernel CIFS client (SWN netlink). The vulnerability arises because CIFS_GENL_CMD_SWN_NOTIFY and related SWN multicast group handling lack proper capability checks, allowing an unprivileged local process to send witness notifications or join the multicast...

CVE-2026-64136

In the Linux kernel, the following vulnerability has been resolved: smb: client: protect tccount increment in smb2findsmbsesstconunlocked Commit 96c4af418586 "cifs: Fix locking usage for tcon fields" refactored cifs code to change cifstcpseslock for tclock around tccount changes. There was missin...