CVE-2026-63834

A flaw was found in the Linux kernel's batman-adv throughput meter. A remote attacker could exploit an unbound list of unacknowledged packets by sending specially crafted messages. This could force the system to allocate excessive memory or waste significant CPU cycles, leading to a Denial of...

batman-adv: tp_meter: restrict number of unacked list entries

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batman-adv: v: prevent OGM aggregation on disabled hardif

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Linux Distros Unpatched Vulnerability : CVE-2026-64095

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - batman-adv: bla: avoid double decrement of bla.numrequests The bla.numrequests is increased when no requestsent was in progress. And it is decremented in variou...

Linux Distros Unpatched Vulnerability : CVE-2026-64092

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - batman-adv: tpmeter: fix tpvars reference leak in receiver shutdown The receiver shutdown timer handler, batadvtpreceivershutdown, is responsible for releasing...

Linux Distros Unpatched Vulnerability : CVE-2026-64093

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - batman-adv: tpmeter: directly shut down timer on cleanup batadvtpsendercleanup was calling timerdeletesync followed by timerdelete to guard against the timer...

Linux Distros Unpatched Vulnerability : CVE-2026-64094

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - batman-adv: bla: avoid NULL-ptr deref for claim via dropped interface Without rtnllock held, a hardif might be retrieved as primary interface of a meshif, but...

Linux Distros Unpatched Vulnerability : CVE-2026-64088

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - batman-adv: tt: fix negative ttbufflen batadvorignode::ttbufflen was declared as s16, but the field is never intended to hold a negative value. When a value...

Linux Distros Unpatched Vulnerability : CVE-2026-64096

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - batman-adv: mcast: fix use-after-free in orignode RCU release batadvmcastpurgeorig removes entries from RCU-protected hlists but does not wait for an RCU grace...

Linux Distros Unpatched Vulnerability : CVE-2026-64089

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - batman-adv: tt: fix negative lastchangesetlen batadvpivtt::lastchangesetlen len was declared as s16, but the field is never intended to hold a negative value...

Linux Distros Unpatched Vulnerability : CVE-2026-64090

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - batman-adv: tt: avoid empty VLAN responses The commit 16116dac2339 batman-adv: prevent TT request storms by not sending inconsistent TT TLVLs added checks to th...

Linux Distros Unpatched Vulnerability : CVE-2026-64091

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - batman-adv: tt: fix TOCTOU race for reported vlans The local TT based TVLV is generated by first checking the number of VLANs which have at least one TT entry. ...

SUSE CVE-2026-63834

In the Linux kernel, the following vulnerability has been resolved: batman-adv: tpmeter: restrict number of unacked list entries When the unackedlist is unbound, an attacker could send messages with small lengths and appropriated seqno + gaps to force the receiver to allocate more and more...

SUSE CVE-2026-63835

In the Linux kernel, the following vulnerability has been resolved: batman-adv: v: prevent OGM aggregation on disabled hardif When an interface gets disabled, the worker is correctly disabled by batadvhardifdisableinterface - ... - batadvvogmifacedisable. In this process, the skb aggrlist is also...

SUSE CVE-2026-63836

In the Linux kernel, the following vulnerability has been resolved: batman-adv: tpmeter: avoid divide-by-zero for deccwnd The cwnd is always MSS = cwnd = 0x20000000. But the calculation in batadvtpupdatecwnd assumes unsigned 32 bit arithmetics. mss 8 2 / cwnd 8 In case cwnd is actually 0x20000000...

CVE-2026-64095

In the Linux kernel, the following vulnerability has been resolved: batman-adv: bla: avoid double decrement of bla.numrequests The bla.numrequests is increased when no requestsent was in progress. And it is decremented in various places announcement was received, backbone is purged, periodic work...

CVE-2026-64093

In the Linux kernel, the following vulnerability has been resolved: batman-adv: tpmeter: directly shut down timer on cleanup batadvtpsendercleanup was calling timerdeletesync followed by timerdelete to guard against the timer handler re-arming itself between the two calls. This double-deletion ha...

CVE-2026-64092

In the Linux kernel, the following vulnerability has been resolved: batman-adv: tpmeter: fix tpvars reference leak in receiver shutdown The receiver shutdown timer handler, batadvtpreceivershutdown, is responsible for releasing the tpvars reference it holds. However, the existing logic for...

CVE-2026-64094

In the Linux kernel, the following vulnerability has been resolved: batman-adv: bla: avoid NULL-ptr deref for claim via dropped interface Without rtnllock held, a hardif might be retrieved as primary interface of a meshif, but then while operating on this interface getting decoupled from the mesh...

CVE-2026-64089

In the Linux kernel, the following vulnerability has been resolved: batman-adv: tt: fix negative lastchangesetlen batadvpivtt::lastchangesetlen len was declared as s16, but the field is never intended to hold a negative value. When a value greater than 32767 is assigned, it wraps to a negative...