UBUNTU-CVE-2026-23195

In the Linux kernel, the following vulnerability has been resolved: cgroup/dmem: avoid pool UAF An UAF issue was observed: BUG: KASAN: slab-use-after-free in pagecounteruncharge+0x65/0x150 Write of size 8 at addr ffff888106715440 by task insmod/527 CPU: 4 UID: 0 PID: 527 Comm: insmod...

CVE-2026-23204 net/sched: cls_u32: use skb_header_pointer_careful()

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsu32: use skbheaderpointercareful skbheaderpointer does not fully validate negative @offset values. Use skbheaderpointercareful instead. GangMin Kim provided a report and a repro fooling u32classify: BUG: KASAN:...

CVE-2026-23099 bonding: limit BOND_MODE_8023AD to Ethernet devices

In the Linux kernel, the following vulnerability has been resolved: bonding: limit BONDMODE8023AD to Ethernet devices BONDMODE8023AD makes sense for ARPHRDETHER only. syzbot reported: BUG: KASAN: global-out-of-bounds in hwaddrcreate net/core/devaddrlists.c:63 inline BUG: KASAN: global-out-of-boun...

Linux Distros Unpatched Vulnerability : CVE-2026-23099

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - bonding: limit BONDMODE8023AD to Ethernet devices BONDMODE8023AD makes sense for ARPHRDETHER only. syzbot reported: BUG: KASAN: global-out-of-bounds in...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-005137)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005137 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: avoid OOB when system.data xattr changes underneath the filesystem When looking up for an...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-005006)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005006 advisory. In the Linux kernel, the following vulnerability has been resolved: block, bfq: don't move oombfqq Our test report a UAF: 2073.019181...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-005188)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005188 advisory. In the Linux kernel, the following vulnerability has been resolved: netfilter: xtables: fix LED ID check in ledtgcheck Syzbot has reported the following BUG detected...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-005045)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005045 advisory. In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Skip on writeback when it's not applicable WHY dynamic memory safety error...

CVE-2026-23004

In the Linux kernel, the following vulnerability has been resolved: dst: fix races in rt6uncachedlistdel and rtdeluncachedlist syzbot was able to crash the kernel in rt6uncachedlistflushdev in an interesting way 1 Crash happens in listdelinit/INITLISTHEAD while writing list-prev, while the prior...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-004842)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004842 advisory. In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix user-after-free This uses l2capchanholdunlesszero after calling...

Azure Linux 3.0 Security Update: kernel (CVE-2025-21718)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-21718 advisory. - In the Linux kernel, the following vulnerability has been resolved: net: rose: fix timer races against user...

CVE-2025-71093

In the Linux kernel, the following vulnerability has been resolved: e1000: fix OOB in e1000tbishouldaccept In e1000tbishouldaccept we read the last byte of the frame via 'datalength - 1' to evaluate the TBI workaround. If the descriptor- reported length is zero or larger than the actual RX buffer...

CVE-2025-71133

In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: avoid invalid read in irdmanetevent irdmanetevent should not dereference anything from "neigh" alias "ptr" until it has checked that the event is NETEVENTNEIGHUPDATE. Other events come with different structures pointe...

kernel: Bluetooth: hci_conn: Fix crash on hci_create_cis_sync

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciconn: Fix crash on hcicreatecissync When attempting to connect multiple ISO sockets without using DEFERSETUP may result in the following crash: BUG: KASAN: null-ptr-deref in hcicreatecissync+0x18b/0x2b0 Read of size...

CVE-2025-71087

In the Linux kernel, the following vulnerability has been resolved: iavf: fix off-by-one issues in iavfconfigrssreg There are off-by-one bugs when configuring RSS hash key and lookup table, causing out-of-bounds reads to memory 1 and out-of-bounds writes to device registers. Before commit...

CVE-2025-68810 KVM: Disallow toggling KVM_MEM_GUEST_MEMFD on an existing memslot

In the Linux kernel, the following vulnerability has been resolved: KVM: Disallow toggling KVMMEMGUESTMEMFD on an existing memslot Reject attempts to disable KVMMEMGUESTMEMFD on a memslot that was initially created with a guestmemfd binding, as KVM doesn't support toggling KVMMEMGUESTMEMFD on...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: Wifi: ath11k: Update the channel list in the notifier instead of using the reg worker Currently, when ath11k receives a new channel list, it processes it according to the following steps: 1. Update the new channel list to cfg8021...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel: Fixed the KASAN global-out-of-bounds warning When running the “perf mem record” command on CWF, the following KASAN global-out-of-bounds warning was observed...

OESA-2026-1010 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: RDMA/iwcm: Fix use-after-free of work objects after cmid destruction The commit 59c68ac31e15 "iwcm: free cmid resources on the last deref" simplified cmid resour...

PT-2026-27692

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.19.0 Description The Linux kernel contains a flaw in the cxl/mbox subsystem. Specifically, the cxl payload from user allowed function casts and dereferences input payload data without first verifying its size...