CVE-2026-46238

CVE-2026-46238 affects the Linux kernel’s BAT IV implementation via the batman-adv subsystem. The issue stems from caching an auxiliary originator pointer derived from a temporary lookup in neigh_node state, where the pointer can be freed or become stale after purge handling. The documented fix i...

CVE-2026-46238 batman-adv: stop caching unowned originator pointers in BAT IV

In the Linux kernel, the following vulnerability has been resolved: batman-adv: stop caching unowned originator pointers in BAT IV BAT IV keeps the last-hop neighbor address in each neighnode, but some paths also cache an originator pointer derived from a temporary lookup. That pointer is not own...

CVE-2026-46238 batman-adv: stop caching unowned originator pointers in BAT IV

In the Linux kernel, the following vulnerability has been resolved: batman-adv: stop caching unowned originator pointers in BAT IV BAT IV keeps the last-hop neighbor address in each neighnode, but some paths also cache an originator pointer derived from a temporary lookup. That pointer is not own...

CVE-2026-46233

In the Linux kernel, the following vulnerability has been resolved: batman-adv: bla: only purge non-released claims When batadvblapurgeclaims goes through the list of claims, it is only traversing the hash list with an rcureadlock. Due to a potential parallel batadvclaimput, it can happen that it...

CVE-2026-46233

In the Linux kernel, the following vulnerability has been resolved: batman-adv: bla: only purge non-released claims When batadvblapurgeclaims goes through the list of claims, it is only traversing the hash list with an rcureadlock. Due to a potential parallel batadvclaimput, it can happen that it...

CVE-2026-46233

CVE-2026-46233 affects the Linux kernel batman-adv component (batadv_bla_purge_claims). The issue arises when iterating the claims list with an rcu_read_lock() and encountering a claim being released, potentially setting backbone_gw to NULL before the delayed kfree, making batadv_bla_claim_get_ba...

EUVD-2026-32751

In the Linux kernel, the following vulnerability has been resolved: batman-adv: bla: only purge non-released claims When batadvblapurgeclaims goes through the list of claims, it is only traversing the hash list with an rcureadlock. Due to a potential parallel batadvclaimput, it can happen that it...

CVE-2026-46233 batman-adv: bla: only purge non-released claims

In the Linux kernel, the following vulnerability has been resolved: batman-adv: bla: only purge non-released claims When batadvblapurgeclaims goes through the list of claims, it is only traversing the hash list with an rcureadlock. Due to a potential parallel batadvclaimput, it can happen that it...

CVE-2026-46233 batman-adv: bla: only purge non-released claims

In the Linux kernel, the following vulnerability has been resolved: batman-adv: bla: only purge non-released claims When batadvblapurgeclaims goes through the list of claims, it is only traversing the hash list with an rcureadlock. Due to a potential parallel batadvclaimput, it can happen that it...

CVE-2026-46231

In the Linux kernel, the following vulnerability has been resolved: batman-adv: bla: put backbone reference on failed claim hash insert When batadvblaaddclaim fails to insert a new claim into the hash, it leaked a reference to the backbonegw for which the claim was intended. Call...

EUVD-2026-32858

In the Linux kernel, the following vulnerability has been resolved: batman-adv: bla: put backbone reference on failed claim hash insert When batadvblaaddclaim fails to insert a new claim into the hash, it leaked a reference to the backbonegw for which the claim was intended. Call...

CVE-2026-46231

In the Linux kernel, the following vulnerability has been resolved: batman-adv: bla: put backbone reference on failed claim hash insert When batadvblaaddclaim fails to insert a new claim into the hash, it leaked a reference to the backbonegw for which the claim was intended. Call...

CVE-2026-46231

CVE-2026-46231 concerns the Linux kernel’s batman-adv code. When batadv_bla_add_claim() fails to insert a new claim into its hash, a reference to the target backbone_gw could be leaked. The vulnerability arises from not releasing that reference on the error path, potentially allowing a backbone_g...

CVE-2026-46231 batman-adv: bla: put backbone reference on failed claim hash insert

In the Linux kernel, the following vulnerability has been resolved: batman-adv: bla: put backbone reference on failed claim hash insert When batadvblaaddclaim fails to insert a new claim into the hash, it leaked a reference to the backbonegw for which the claim was intended. Call...

CVE-2026-46231 batman-adv: bla: put backbone reference on failed claim hash insert

In the Linux kernel, the following vulnerability has been resolved: batman-adv: bla: put backbone reference on failed claim hash insert When batadvblaaddclaim fails to insert a new claim into the hash, it leaked a reference to the backbonegw for which the claim was intended. Call...

CVE-2026-46212

In the Linux kernel, the following vulnerability has been resolved: batman-adv: bla: prevent use-after-free when deleting claims When batadvbladelbackboneclaims removes all claims for a backbone, it does this by dropping the link entry in the hash list. This list entry itself was one of the...

CVE-2026-46212

In the Linux kernel, the following vulnerability has been resolved: batman-adv: bla: prevent use-after-free when deleting claims When batadvbladelbackboneclaims removes all claims for a backbone, it does this by dropping the link entry in the hash list. This list entry itself was one of the...

CVE-2026-46212

CVE-2026-46212 concerns the Linux kernel’s batman-adv module. The vulnerability arises when deleting backbone claims in batman-adv (function batadv_bla_del_backbone_claims): the code drops a hash-list link entry that is still referenced, risking that the entry could be freed by batadv_claim_relea...

EUVD-2026-32839

In the Linux kernel, the following vulnerability has been resolved: batman-adv: bla: prevent use-after-free when deleting claims When batadvbladelbackboneclaims removes all claims for a backbone, it does this by dropping the link entry in the hash list. This list entry itself was one of the...

EUVD-2026-32835

In the Linux kernel, the following vulnerability has been resolved: batman-adv: stop tpmeter sessions during mesh teardown TP meter sessions remain linked on batpriv-tplist after the netlink request has already finished. When the mesh interface is removed, batadvmeshfree currently tears down the...