K000162379: Linux Kernel vulnerabilities CVE-2026-23310, CVE-2026-23336, CVE-2026-23340, and CVE-2026-23343

Security Advisory Description CVE-2026-23310 In the Linux kernel, the following vulnerability has been resolved: bpf/bonding: reject vlan+srcmac xmithashpolicy change when XDP is loaded bondoptionmodeset already rejects mode changes that would make a loaded XDP program incompatible via...

OPENSUSE-SU-2026:21428-1 Security update for nm-configurator

This update for nm-configurator fixes the following issue Update to version 0.3.5. Security issue fixed: - CVE-2026-25541: bytes: integer overflow in BytesMut:reserve can lead to undefined behavior and crashes bsc1271392. Other updates and bugfixes: - Version 0.3.5: Bump version to v0.3.5 206 Bum...

SUSE-SU-2026:22935-1 Security update for nm-configurator

This update for nm-configurator fixes the following issue Update to version 0.3.5. Security issue fixed: - CVE-2026-25541: bytes: integer overflow in BytesMut:reserve can lead to undefined behavior and crashes bsc1271392. Other updates and bugfixes: - Version 0.3.5: Bump version to v0.3.5 206 Bum...

CVE-2026-63868

A flaw was found in the Linux kernel's Generic Attribute Registration Protocol GARP network component. A remote attacker could send specially crafted GARP attributes, leading to an unsigned integer underflow during attribute parsing. This underflow causes the system to incorrectly process attribu...

SUSE CVE-2026-64032

In the Linux kernel, the following vulnerability has been resolved: bridge: mcast: Fix a possible use-after-free when removing a bridge port When per-VLAN multicast snooping is enabled, the bridge iterates over all the bridge ports, disables the per-port multicast context on each port and enables...

SUSE 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...

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...

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...

CVE-2026-64091

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-2026-64032

In the Linux kernel, the following vulnerability has been resolved: bridge: mcast: Fix a possible use-after-free when removing a bridge port When per-VLAN multicast snooping is enabled, the bridge iterates over all the bridge ports, disables the per-port multicast context on each port and enables...

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

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

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-2026-64091 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-2026-64091

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-2026-64090

CVE-2026-64090 affects the Linux kernel’s batman-adv translation table (TT) handling. The issue arises when a TT reply can be generated either directly or via the global TT state, leading to potential inconsistency and the sending of empty VLANs, which can trigger TT request storms and network in...

CVE-2026-64090 batman-adv: tt: avoid empty VLAN responses

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...

CVE-2026-64032 bridge: mcast: Fix a possible use-after-free when removing a bridge port

In the Linux kernel, the following vulnerability has been resolved: bridge: mcast: Fix a possible use-after-free when removing a bridge port When per-VLAN multicast snooping is enabled, the bridge iterates over all the bridge ports, disables the per-port multicast context on each port and enables...

CVE-2026-64032 bridge: mcast: Fix a possible use-after-free when removing a bridge port

In the Linux kernel, the following vulnerability has been resolved: bridge: mcast: Fix a possible use-after-free when removing a bridge port When per-VLAN multicast snooping is enabled, the bridge iterates over all the bridge ports, disables the per-port multicast context on each port and enables...

CVE-2026-64032

The CVE-2026-64032 entry documents a Linux kernel use-after-free in bridge multicast snooping when removing a bridge port. The issue occurs when both per-port and per-{port, VLAN} multicast contexts become enabled on a single bridge port due to interactions between per-VLAN multicast snooping and...