CVE-2026-31635 rxrpc: fix oversized RESPONSE authenticator length check

In the Linux kernel, the following vulnerability has been resolved: rxrpc: fix oversized RESPONSE authenticator length check rxgkverifyresponse decodes authlen from the packet and is supposed to verify that it fits in the remaining bytes. The existing check is inverted, so oversized RESPONSE...

CVE-2026-31605 fbdev: udlfb: avoid divide-by-zero on FBIOPUT_VSCREENINFO

In the Linux kernel, the following vulnerability has been resolved: fbdev: udlfb: avoid divide-by-zero on FBIOPUTVSCREENINFO Much like commit 19f953e74356 "fbdev: fbpm2fb: Avoid potential divide by zero error", we also need to prevent that same crash from happening in the udlfb driver as it uses...

kernel: smc: Fix use-after-free in __pnet_find_base_ndev()

In the Linux kernel, the following vulnerability has been resolved: smc: Fix use-after-free in pnetfindbasendev. syzbot reported use-after-free of netdevice in pnetfindbasendev, which was called during connect. 0 smcpnetfindismresource fetches skdstgetsk-dev and passes down to pnetfindbasendev,...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-011087)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011087 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: don't allow journal inode to have encrypt flag Mounting a filesystem whose journal inode ha...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007571)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007571 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: fix possible UAF when remounting r/o a mmp-protected file system After commit 618f003199c6...

EUVD-2026-21946

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsflow: fix NULL pointer dereference on shared blocks flowchange calls tcfblockq and dereferences q-handle to derive a default baseclass. Shared blocks leave block-q NULL, causing a NULL deref when a flow filter witho...

CVE-2026-31411 net: atm: fix crash due to unvalidated vcc pointer in sigd_send()

In the Linux kernel, the following vulnerability has been resolved: net: atm: fix crash due to unvalidated vcc pointer in sigdsend Reproducer available at 1. The ATM send path sendmsg - vccsendmsg - sigdsend reads the vcc pointer from msg-vcc and uses it directly without any validation. This...

CVE-2026-23427 ksmbd: fix use-after-free in durable v2 replay of active file handles

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in durable v2 replay of active file handles parsedurablehandlecontext unconditionally assigns dhinfo-fp-conn to the current connection when handling a DURABLEREQV2 context with SMB2FLAGSREPLAYOPERATION...

PT-2026-30126

In the Linux kernel, the following vulnerability has been resolved: spi: amlogic-spisg: Fix memory leak in aml spisg probe In aml spisg probe, ctlr is allocated by spi alloc target/spi alloc host, but fails to call spi controller put in several error paths. This leads to a memory leak whenever th...

EUVD-2026-15396

In the Linux kernel, the following vulnerability has been resolved: afunix: Give up GC if MSGPEEK intervened. Igor Ushakov reported that GC purged the receive queue of an alive socket due to a race with MSGPEEK with a nice repro. This is the exact same issue previously fixed by commit cbcf01128d0...

CVE-2026-23361

In the Linux kernel, the following vulnerability has been resolved: PCI: dwc: ep: Flush MSI-X write before unmapping its ATU entry Endpoint drivers use dwpcieepraisemsixirq to raise an MSI-X interrupt to the host using a writel, which generates a PCI posted write transaction. There's no completio...

Siemens SIMATIC S7-1500 Missing Release of Memory after Effective Lifetime (CVE-2025-38124)

In the Linux kernel, the following vulnerability has been resolved: net: fix udp gso skbsegment after pull from fraglist Commit a1e40ac5b5e9 net: gso: fix udp gso fraglist segmentation after pull from fraglist detected invalid geometry in fraglist skbs and redirects them from skbsegmentlist to mo...

UBUNTU-CVE-2026-23232

In the Linux kernel, the following vulnerability has been resolved: Revert "f2fs: block cache/dio write during f2fsenablecheckpoint" This reverts commit 196c81fdd438f7ac429d5639090a9816abb9760a. Original patch may cause below deadlock, revert it. write remount - writebegin - lockpage --- lock A -...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-005694)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005694 advisory. In the Linux kernel, the following vulnerability has been resolved: drm/rockchip: lvds: fix PM usage counter unbalance in poweron pmruntimegetsync will increment pm...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-005802)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005802 advisory. In the Linux kernel, the following vulnerability has been resolved: media: az6007: Fix null-ptr-deref in az6007i2cxfer In az6007i2cxfer, msg is controlled by user...

CVE-2026-23207

In the Linux kernel, the following vulnerability has been resolved: spi: tegra210-quad: Protect currxfer check in IRQ handler Now that all other accesses to currxfer are done under the lock, protect the currxfer NULL check in tegraqspiisrthread with the spinlock. Without this protection, the...

CVE-2026-23130 wifi: ath12k: fix dead lock while flushing management frames

In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: fix dead lock while flushing management frames Commit 1 converted the management transmission work item into a wiphy work. Since a wiphy work can only run under wiphy lock protection, a race condition happens in bel...

Siemens SCALANCE and RUGGEDCOM Improper Input Validation (CVE-2025-39853)

In the Linux kernel, the following vulnerability has been resolved: i40e: Fix potential invalid access when MAC list is empty listfirstentry never returns NULL - if the list is empty, it still returns a pointer to an invalid object, leading to potential invalid memory access when dereferenced. Fi...

kernel: net/sched: mqprio: fix stack out-of-bounds write in tc entry parsing

In the Linux kernel, the following vulnerability has been resolved: net/sched: mqprio: fix stack out-of-bounds write in tc entry parsing TCAMQPRIOTCENTRYINDEX is validated using NLAPOLICYMAXNLAU32, TCQOPTMAXQUEUE, which allows the value TCQOPTMAXQUEUE 16. This leads to a 4-byte out-of-bounds stac...

SUSE CVE-2026-23085

In the Linux kernel, the following vulnerability has been resolved: irqchip/gic-v3-its: Avoid truncating memory addresses On 32-bit machines with CONFIGARMLPAE, it is possible for lowmem allocations to be backed by addresses physical memory above the 32-bit address limit, as found while...