CVE-2026-72227 batman-adv: mcast: avoid OOB read of num_dests header

In the Linux kernel, the following vulnerability has been resolved: batman-adv: mcast: avoid OOB read of numdests header Before the access to struct batadvtvlvmcasttracker's numdests, it is attempted to check whether enough space is actually in the network header. But instead of using offsetofend...

CVE-2026-72226 batman-adv: tt: prevent TVLV OOB check overflow

In the Linux kernel, the following vulnerability has been resolved: batman-adv: tt: prevent TVLV OOB check overflow A TT unicast TVLV contains the number of VLANs stored in it. This number is an u16 and gets multiplied by the size of the struct batadvtvlvttvlandata 8 bytes. The size can therefore...

CVE-2026-72226 batman-adv: tt: prevent TVLV OOB check overflow

In the Linux kernel, the following vulnerability has been resolved: batman-adv: tt: prevent TVLV OOB check overflow A TT unicast TVLV contains the number of VLANs stored in it. This number is an u16 and gets multiplied by the size of the struct batadvtvlvttvlandata 8 bytes. The size can therefore...

EUVD-2026-59125

In the Linux kernel, the following vulnerability has been resolved: batman-adv: tt: prevent TVLV OOB check overflow A TT unicast TVLV contains the number of VLANs stored in it. This number is an u16 and gets multiplied by the size of the struct batadvtvlvttvlandata 8 bytes. The size can therefore...

CVE-2026-72226

CVE-2026-72226 concerns the Linux kernel’s batman-adv TT TVLV handling. A unicast TVLV contains the number of VLANs (u16) and multiplies it by 8 (batadv_tvlv_tt_vlan_data). This can overflow the 16-bit tt_vlan_len, invalidating safety checks for out-of-bounds access. The published fix switches to...

PT-2026-72416

In the Linux kernel, the following vulnerability has been resolved: batman-adv: frag: fix primary if leak on failed linearization If the skb has a frag list, it must be linearized before it can be split using skb split. But when this step failed, it must not only free the skb but also take care o...

PT-2026-72423

In the Linux kernel, the following vulnerability has been resolved: batman-adv: retrieve ethhdr after potential skb realloc on RX pskb may pull in batadv interface rx could reallocate the buffer behind the skb. Variables which were pointing to the old buffer need to be reassigned to avoid an...

PT-2026-72422

In the Linux kernel, the following vulnerability has been resolved: batman-adv: access unicast ttvn skb-data only after skb realloc The pskb may pull called by batadv get vid could reallocate the buffer behind the skb. Variables which were pointing to the old buffer need to be reassigned to avoid...

PT-2026-72414

In the Linux kernel, the following vulnerability has been resolved: batman-adv: tt: prevent TVLV OOB check overflow A TT unicast TVLV contains the number of VLANs stored in it. This number is an u16 and gets multiplied by the size of the struct batadv tvlv tt vlan data 8 bytes. The size can...

PT-2026-72419

In the Linux kernel, the following vulnerability has been resolved: batman-adv: tt: avoid request storms during pending request batadv send tt request allocates a tt req node when none exists for the destination originator node. This should prevent that a multiple TT requests are send at the same...

PT-2026-72415

In the Linux kernel, the following vulnerability has been resolved: batman-adv: mcast: avoid OOB read of num dests header Before the access to struct batadv tvlv mcast tracker's num dests, it is attempted to check whether enough space is actually in the network header. But instead of using...

PT-2026-72418

In the Linux kernel, the following vulnerability has been resolved: batman-adv: frag: free unfragmentable packet The caller of batadv frag send packet assume that the skb provided to the function are always consumed. But the pre-check for an empty payload or the zero fragment size returned an err...

PT-2026-72421

In the Linux kernel, the following vulnerability has been resolved: batman-adv: bla: reacquire gw address after skb realloc The pskb may pull called by batadv bla is backbone gw could reallocate the buffer behind the skb. Variables which were pointing to the old buffer need to be reassigned to...

PT-2026-72420

In the Linux kernel, the following vulnerability has been resolved: batman-adv: ensure minimal ethernet header on TX As documented in commit 8bd67ebb50c0 "net: bridge: xmit: make sure we have at least eth header len bytes", it is possible by for a local user with eBPF TC hook access to attach a t...

PT-2026-72417

In the Linux kernel, the following vulnerability has been resolved: batman-adv: clean untagged VLAN on netdev registration failure When an mesh interface is registered, it creates an untagged struct batadv meshif vlan on top of it via the NETDEV REGISTER notifier. But in this process, another...

Oracle Linux 8 / 9 : Unbreakable Enterprise kernel (ELSA-2026-500137)

The remote Oracle Linux 8 / 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-500137 advisory. - KVM: x86: Check for invalid/obsolete root after making MMU pages available Sean Christopherson Orabug: 39832946 CVE-2026-64561 - x86/bugs: Make...

K000162732: Linux kernel vulnerability CVE-2026-52931

Security Advisory Description In the Linux kernel, the following vulnerability has been resolved: batman-adv: tpmeter: avoid use of uninit sender vars batadvtprecvack and batadvtpstop are only valid for tpvars in the BATADVTPSENDER role. When called with a BATADVTPRECEIVER role, it proceeds to re...

USN-8615-1: Linux kernel vulnerabilities

It was discovered that a logic flaw existed in the XFRM ESP-in-TCP subsystem in the Linux kernel when handling socket buffer fragments. This flaw is known as Fragnesia. A local attacker could use this to escalate privileges, or possibly escape a container. CVE-2026-43503 Several security issues...

USN-8615-1 linux, linux-aws, linux-aws-5.4, linux-aws-fips, linux-azure, linux-azure-5.4, linux-azure-fips, linux-bluefield, linux-fips, linux-gcp, linux-gcp-5.4, linux-gcp-fips, linux-hwe-5.4, linux-iot, linux-oracle, linux-oracle-5.4, linux-xilinx-zynqmp vulnerabilities

It was discovered that a logic flaw existed in the XFRM ESP-in-TCP subsystem in the Linux kernel when handling socket buffer fragments. This flaw is known as Fragnesia. A local attacker could use this to escalate privileges, or possibly escape a container. CVE-2026-43503 Several security issues...

USN-8547-2: Linux kernel (Azure FIPS) vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - RISC-V architecture; - Cryptographic API; - InfiniBand drivers; - IOMMU subsystem; - Network drivers; -...