UBUNTU-CVE-2026-98253

In the Linux kernel, the following vulnerability has been resolved: RDMA/ucma: Serialize join and leave on copytouser failure rdmajoinmulticast queues RoCE work that later reads the ucmamulticast through event-param.ud.privatedata, then listadds the CMA multicast at the head of idpriv-mclist...

CVE-2026-98339

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: don't filter by BSS type when removing stale entries When an assoc AP switches to a channel that already has a BSS entry, cfg80211updateassocbssentry removes that entry before rehashing the real one, since the two...

CVE-2026-98310

In the Linux kernel, the following vulnerability has been resolved: drm/xe/shrinker: Take a runtime PM ref before shrinking non-system memory xeshrinkerwalk walks the SYSTEM and TT LRUs without a runtime PM reference. Shrinking a bo outside system memory invalidates its GPU mappings, which needs...

CVE-2026-98257

In the Linux kernel, the following vulnerability has been resolved: rds: ib: use rdsconndrop on protocol version mismatch rdsibcmconnectcomplete runs from the RDMA-CM event handler with conn-ccmlock held. When the peer negotiates a protocol version older than RDSPROTOCOLCOMPATVERSION, the handler...

CVE-2026-98190

In the Linux kernel, the following vulnerability has been resolved: wifi: wilc1000: fix out-of-bounds read in P2P public action frames wilcwfip2prx and mgmttx start parsing a frame once ieee80211ispublicaction returns true. That helper only verifies the frame is long enough for the action categor...

CVE-2026-98306

In the Linux kernel, the following vulnerability has been resolved: seg6: set IPSKBL3SLAVE from IP6SKBL3SLAVE on IPIP decapsulation When an SRv6 packet arrives on an interface enslaved to a VRF, vrfip6rcv sets IP6SKBL3SLAVE in IP6CB, but decapandvalidate has never set IPSKBL3SLAVE in IPCB. The bi...

CVE-2026-98247

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcicodec: validate vendor codec count length The Read Local Supported Codecs parsers consume the variable-sized standard codec array before parsing the vendor codec count. Although the initial reply-size check includes...

CVE-2026-98351

In the Linux kernel, the following vulnerability has been resolved: wifi: virtwifi: free skb when disconnected When the simulated link is disconnected, virtwifistartxmit returns NETXMITDROP without freeing the skb. devhardstartxmit treats this return value as consumed, so every packet sent while...

CVE-2026-98354

In the Linux kernel, the following vulnerability has been resolved: RDMA/mad: Fix receive buffer leak when PKey enforcement fails ibmadcompleterecv initializes madrecvwc-rmpplist and then runs ibmadenforcesecurity before linking recvbuf onto that list. On failure it calls ibfreerecvmad, which onl...

CVE-2026-98366

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: validate access flags before swapping the MR's PD rxereregusermr reassigns mr-ibmr.pd first and only then validates the IBMRREREGACCESS argument: if flags & IBMRREREGPD rxeputoldpd; rxegetpd; mr-ibmr.pd = ibpd; if flags...

CVE-2026-98259

In the Linux kernel, the following vulnerability has been resolved: fs/dax: check zero or empty entry before converting xarray entry Calling daxtofolio with empty entry causes kernel panic below when booting a VM with DAX enabled storage. This patch checks empty entry before calling daxtofolio on...

CVE-2026-98345

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: check IP header size in cfg80211classify8021d A frame that looks like IP can be transmitted, but be too short, so the DS field is read incorrectly: BUG: KMSAN: uninit-value in cfg80211classify8021d+0x99d/0x12b0...

CVE-2026-98336

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: don't offload TC setup on APVLAN interfaces APVLAN interfaces are purely virtual, so don't try to offload TC setup to drivers. We can't really use the AP interface either since we may not know it all the time, and...

CVE-2026-98203

In the Linux kernel, the following vulnerability has been resolved: Input: socbuttonarray - check btnsdesc-package.count Check that btnsdesc-package.count is not 0 before accessing btnsdesc-package.elements0...

CVE-2026-98334

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: reset state when starting AP fails ieee80211startap can set enablebeacon and beaconint and fail later, leaving it set forever. Scanning can then attempt to restore beaconing on such an interface, leading to: Oops:...

CVE-2026-98260

In the Linux kernel, the following vulnerability has been resolved: exec: Cleanup POSIX timers right after dethread A per-thread CPU timer holds a reference to the PID of the thread it is attached to and, while it is armed, its node is queued in that thread's posixcputimers. The task is looked up...

UBUNTU-CVE-2026-98218

In the Linux kernel, the following vulnerability has been resolved: i2c: atr: fix dangling adapter pointer on add failure i2catraddadapter stores atr-adapterchanid before i2caddadapter so that the I2C bus notifier can match child clients during registration. On failure the channel is freed but th...

CVE-2026-98240

In the Linux kernel, the following vulnerability has been resolved: net: iptunnel: initialize optionslen before referencing options The following command triggers a kernel panic: ip link add d0 type dummy; ip link set d0 up ip route add 10.30.0.0/16 \ encap ip id 300 geneveopts 4660:66:11223344 d...

CVE-2026-98222

In the Linux kernel, the following vulnerability has been resolved: KEYS: encrypted: fix integer overflow of databloblen encryptedkeyalloc stores databloblen in a u16. It is computed from multiple string and payload lengths. If the result exceeds U16MAX, the assignment truncates the allocation...

UBUNTU-CVE-2026-98247

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcicodec: validate vendor codec count length The Read Local Supported Codecs parsers consume the variable-sized standard codec array before parsing the vendor codec count. Although the initial reply-size check includes...