UBUNTU-CVE-2026-23375

In the Linux kernel, the following vulnerability has been resolved: mm: thp: deny THP for files on anonymous inodes filethpenabled incorrectly allows THP for files on anonymous inodes e.g. guestmemfd and secretmem. These files are created via allocfilepseudo, which does not call getwriteaccess an...

CVE-2026-23395

CVE-2026-23395 affects the Linux kernel Bluetooth L2CAP handling of ECRED connection requests. The issue stems from accepting multiple L2CAP_ECRED_CONN_REQs regardless of the command identifier, which can cause multiple requests to be marked pending (FLAG_DEFER_SETUP) and may lead to allocating m...

CVE-2026-23379 net/sched: ets: fix divide by zero in the offload path

In the Linux kernel, the following vulnerability has been resolved: net/sched: ets: fix divide by zero in the offload path Offloading ETS requires computing each class' WRR weight: this is done by averaging over the sums of quanta as 'qsum' and 'qpsum'. Using unsigned int, the same integer size a...

CVE-2026-23374

In the Linux kernel, the following vulnerability has been resolved: blktrace: fix thiscpuread/write in preemptible context tracingrecordcmdline internally uses thiscpuread and thiscpuwrite on the per-CPU variable tracecmdlinesave, and tracesavecmdline explicitly asserts preemption is disabled via...

CVE-2026-23372

In the Linux kernel, the following vulnerability has been resolved: nfc: rawsock: cancel txwork before socket teardown In rawsockrelease, cancel any pending txwork and purge the write queue before orphaning the socket. rawsocktxwork runs on the system workqueue and calls nfcdataexchange which...

CVE-2026-23372

CVE-2026-23372 affects the Linux kernel NFC rawsock path (rawsock_release) where tx_work can race with socket/device teardown, risking use-after-free or leaked references. The fix adds synchronization: set SEND_SHUTDOWN to prevent in-progress tx_work, use cancel_work_sync to wait for in-flight ex...

CVE-2026-23366

In the Linux kernel, the following vulnerability has been resolved: drm/client: Do not destroy NULL modes 'modes' in drmclientmodesetprobe may fail to kcalloc. If this occurs, we jump to 'out', calling modesdestroy on it, which dereferences it. This may result in a NULL pointer dereference in the...

CVE-2026-23362

CVE-2026-23362 affects the Linux kernel component can/bcm locking during bcm_op runtime updates (bcm_tx_setup/bcm_rx_setup). Connected OSV records show Root (rootio-linux) has patched this CVE in Root:Debian:11/12/13 with multiple fixed versions across Debian/Ubuntu and Mageia advisories, indicat...

CVE-2026-23353 ice: fix crash in ethtool offline loopback test

In the Linux kernel, the following vulnerability has been resolved: ice: fix crash in ethtool offline loopback test Since the conversion of ice to page pool, the ethtool loopback test crashes: BUG: kernel NULL pointer dereference, address: 000000000000000c PF: supervisor write access in kernel mo...

CVE-2026-23343

In the Linux kernel, the following vulnerability has been resolved: xdp: produce a warning when calculated tailroom is negative Many ethernet drivers report xdp Rx queue frag size as being the same as DMA write size. However, the only user of this field, namely bpfxdpfragsincreasetail, clearly...

CVE-2026-23336 wifi: cfg80211: cancel rfkill_block work in wiphy_unregister()

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: cancel rfkillblock work in wiphyunregister There is a use-after-free error in cfg80211shutdownallinterfaces found by syzkaller: BUG: KASAN: use-after-free in cfg80211shutdownallinterfaces+0x213/0x220 Read of size ...

CVE-2026-23332 cpufreq: intel_pstate: Fix crash during turbo disable

In the Linux kernel, the following vulnerability has been resolved: cpufreq: intelpstate: Fix crash during turbo disable When the system is booted with kernel command line argument "nosmt" or "maxcpus" to limit the number of CPUs, disabling turbo via: echo 1...

CVE-2026-23330 nfc: nci: complete pending data exchange on device close

In the Linux kernel, the following vulnerability has been resolved: nfc: nci: complete pending data exchange on device close In nciclosedevice, complete any pending data exchange before closing. The data exchange callback e.g. rawsockdataexchangecomplete holds a socket reference. NIPA occasionall...

CVE-2026-23328 accel/amdxdna: Fix NULL pointer dereference of mgmt_chann

In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Fix NULL pointer dereference of mgmtchann mgmtchann may be set to NULL if the firmware returns an unexpected error in aie2sendmgmtmsgwait. This can later lead to a NULL pointer dereference in aie2hwstop. Fix this b...

CVE-2026-23315

The CVE affects the Linux kernel mt76 wifi driver (mt76_connac2_mac_write_txwi_80211). The root cause is that the function could perform an out-of-bounds access by not validating the frame length before accessing management fields, including mgmt->u.action.u.addba_req.capab. This could enable ...

CVE-2026-23296

CVE-2026-23296 affects the Linux kernel SCSI core, specifically a refcount leak in tagset_refcnt that can cause a hang when tearing down a SCSI host (e.g., iscsid hang during SCSI scanning). The vulnerability is local in nature with a base score of 5.5 (MEDIUM); exploitation details are not provi...

CVE-2026-23293 net: vxlan: fix nd_tbl NULL dereference when IPv6 is disabled

In the Linux kernel, the following vulnerability has been resolved: net: vxlan: fix ndtbl NULL dereference when IPv6 is disabled When booting with the 'ipv6.disable=1' parameter, the ndtbl is never initialized because inet6init exits before ndiscinit is called which initializes it. If an IPv6...

CVE-2026-23289

In the Linux kernel, the following vulnerability has been resolved: IB/mthca: Add missed mthcaunmapuserdb for mthcacreatesrq Fix a user triggerable leak on the system call failure path...

CVE-2026-23287 irqchip/sifive-plic: Fix frozen interrupt due to affinity setting

In the Linux kernel, the following vulnerability has been resolved: irqchip/sifive-plic: Fix frozen interrupt due to affinity setting PLIC ignores interrupt completion message for disabled interrupt, explained by the specification: The PLIC signals it has completed executing an interrupt handler ...

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...