CVE-2026-23193 scsi: target: iscsi: Fix use-after-free in iscsit_dec_session_usage_count()

In the Linux kernel, the following vulnerability has been resolved: scsi: target: iscsi: Fix use-after-free in iscsitdecsessionusagecount In iscsitdecsessionusagecount, the function calls complete while holding the sess-sessionusagelock. Similar to the connection usage count logic, the waiter...

CVE-2026-23192 linkwatch: use __dev_put() in callers to prevent UAF

In the Linux kernel, the following vulnerability has been resolved: linkwatch: use devput in callers to prevent UAF After linkwatchdodev calls devput to release the linkwatch reference, the device refcount may drop to 1. At this point, netdevruntodo can proceed since linkwatchsyncdev sees an empt...

CVE-2026-23192

In the Linux kernel, the following vulnerability has been resolved: linkwatch: use devput in callers to prevent UAF After linkwatchdodev calls devput to release the linkwatch reference, the device refcount may drop to 1. At this point, netdevruntodo can proceed since linkwatchsyncdev sees an empt...

EUVD-2026-5854

In the Linux kernel, the following vulnerability has been resolved: ceph: fix NULL pointer dereference in cephmdsauthmatch The CephFS kernel client has regression starting from 6.18-rc1. We have issue in cephmdsauthmatch if fsname == NULL: const char fsname = mdsc-fsc-mountoptions-mdsnamespace;...

CVE-2026-23183 cgroup/dmem: fix NULL pointer dereference when setting max

In the Linux kernel, the following vulnerability has been resolved: cgroup/dmem: fix NULL pointer dereference when setting max An issue was triggered: BUG: kernel NULL pointer dereference, address: 0000000000000000 PF: supervisor read access in kernel mode PF: errorcode0x0000 - not-present page P...

EUVD-2026-5861

In the Linux kernel, the following vulnerability has been resolved: dpaa2-switch: add bounds check for ifid in IRQ handler The IRQ handler extracts ifid from the upper 16 bits of the hardware status register and uses it to index into ethsw-ports without validation. Since ifid can be any 16-bit...

CVE-2026-23176 platform/x86: toshiba_haps: Fix memory leaks in add/remove routines

In the Linux kernel, the following vulnerability has been resolved: platform/x86: toshibahaps: Fix memory leaks in add/remove routines toshibahapsadd leaks the haps object allocated by it if it returns an error after allocating that object successfully. toshibahapsremove does not free the object...

CVE-2026-23164

In the Linux kernel, the following vulnerability has been resolved: rocker: fix memory leak in rockerworldportpostfini In rockerworldportpreinit, rockerport-wpriv is allocated with kzallocwops-portprivsize, GFPKERNEL. However, in rockerworldportpostfini, the memory is only freed when...

CVE-2026-23162

In the Linux kernel, the following vulnerability has been resolved: drm/xe/nvm: Fix double-free on aux add failure After a successful auxiliarydeviceinit, auxdev-dev.release xenvmreleasedev is responsible for the kfreenvm. When there is failure with auxiliarydeviceadd, driver will call...

CVE-2026-23150

In the Linux kernel, the following vulnerability has been resolved: nfc: llcp: Fix memleak in nfcllcpsenduiframe. syzbot reported various memory leaks related to NFC, struct nfcllcpsock, skbuff, nfcdev, etc. 0 The leading log hinted that nfcllcpsenduiframe failed to allocate skb due to sockerrors...

CVE-2026-23143

In the Linux kernel, the following vulnerability has been resolved: virtionet: Fix misalignment bug in struct virtnetinfo Use the new TRAILINGOVERLAP helper to fix a misalignment bug along with the following warning: drivers/net/virtionet.c:429:46: warning: structure containing a flexible array...

UBUNTU-CVE-2026-23134

In the Linux kernel, the following vulnerability has been resolved: slab: fix kmallocnolock context check for PREEMPTRT On PREEMPTRT kernels, locallock becomes a sleeping lock. The current check in kmallocnolock only verifies we're not in NMI or hard IRQ context, but misses the case where...

CVE-2026-23150

In the Linux kernel, the following vulnerability has been resolved: nfc: llcp: Fix memleak in nfcllcpsenduiframe. syzbot reported various memory leaks related to NFC, struct nfcllcpsock, skbuff, nfcdev, etc. 0 The leading log hinted that nfcllcpsenduiframe failed to allocate skb due to sockerrors...

CVE-2026-23150

Technical details about CVE-2026-23150 are not publicly provided in the supplied documents. The description mentions a memory leak fix in NFC LLCP, but no vendor/product/version specifics or remediation steps are included here. Monitor for updates.

CVE-2026-23139

CVE-2026-23139 affects the Linux kernel netfilter nf_conncount code. The root cause was that the last_gc timestamp was updated every time a connection was tracked, even when a garbage collection (GC) was not performed, enabling potential GC bypass under high packet rates and unbounded growth of t...

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...

CVE-2026-23121 mISDN: annotate data-race around dev->work

In the Linux kernel, the following vulnerability has been resolved: mISDN: annotate data-race around dev-work dev-work can re read locklessly in mISDNread and mISDNpoll. Add READONCE/WRITEONCE annotations. BUG: KCSAN: data-race in mISDNioctl / mISDNread write to 0xffff88812d848280 of 4 bytes by...

kernel: nvme-tcp: fix NULL pointer dereferences in nvmet_tcp_build_pdu_iovec

In the Linux kernel, the following vulnerability has been resolved: nvme-tcp: fix NULL pointer dereferences in nvmettcpbuildpduiovec Commit efa56305908b "nvmet-tcp: Fix a kernel panic when host sends an invalid H2C PDU length" added ttag bounds checking and dataoffset validation in...

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: NFS: Fix potential buffer overflowin nfs_sysfs_link_rpc_client()

In the Linux kernel, the following vulnerability has been resolved: NFS: Fix potential buffer overflowin nfssysfslinkrpcclient name is char64 where the size of clnt-clprogram-name remains unknown. Invoking strcat directly will also lead to potential buffer overflow. Change them to strscpy and...