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-2026-64095 batman-adv: bla: avoid double decrement of bla.num_requests

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-2026-64096 batman-adv: mcast: fix use-after-free in orig_node RCU release

In the Linux kernel, the following vulnerability has been resolved: 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 period before returning. Concurrent RCU readers may still accesses...

CVE-2026-64093 batman-adv: tp_meter: directly shut down timer on cleanup

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-2026-64093

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...

EUVD-2026-45778

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-2026-64093

The CVE concerns batman-adv (Linux kernel) where tp_meter cleanup caused a potential re-arm of a timer due to two-step deletion. batadv_tp_sender_cleanup() called timer_delete_sync() followed by timer_delete(); the fix replaces both calls with a single timer_shutdown_sync() that waits for any run...

EUVD-2026-45779

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-2026-64094

The CVE-2026-64094 entry concerns the Linux kernel's batman-adv component. A NULL-pointer dereference can occur when a hardif is retrieved as the primary interface of a meshif without holding rtnl_lock, and the mesh interface becomes decoupled; the meshif pointer from the primary hardif may be NU...

CVE-2026-64093 batman-adv: tp_meter: directly shut down timer on cleanup

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-2026-64091

CVE-2026-64091 affects batman-adv in the Linux kernel, addressing a TOCTOU race in the TT-based TVLV generation for reported VLANs. The issue arises because the buffer used to hold VLAN entries is sized based on a prefilter that may undercount or overcount VLANs during parallel updates, while the...

CVE-2026-64092

Technical details about CVE-2026-64092 are not publicly available in the provided documents. Monitor for updates from official advisories.

EUVD-2026-45777

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...

EUVD-2026-45776

In the Linux kernel, the following vulnerability has been resolved: 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. A new buffer with the correct size for the VLANs is then allocated...

CVE-2026-64091 batman-adv: tt: fix TOCTOU race for reported vlans

In the Linux kernel, the following vulnerability has been resolved: 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. A new buffer with the correct size for the VLANs is then allocated...

CVE-2026-64092 batman-adv: tp_meter: fix tp_vars reference leak in receiver shutdown

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-2026-64091 batman-adv: tt: fix TOCTOU race for reported vlans

In the Linux kernel, the following vulnerability has been resolved: 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. A new buffer with the correct size for the VLANs is then allocated...

CVE-2026-64092 batman-adv: tp_meter: fix tp_vars reference leak in receiver shutdown

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-2026-64090

In the Linux kernel, the following vulnerability has been resolved: 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 the local direct TT response code. But the response can also be done...