kernel: net: sched: UAF via missing handler for TC_ACT_CONSUMED in tcf_qevent_handle

A flaw was found in the Linux kernel's traffic control TC classifier application programming interface API. The tcfqeventhandle function does not properly handle a consumed socket buffer skb when it is processed by the defragmentation engine. This can lead to a Use-After-Free UAF vulnerability,...

kernel: net: sched: UAF via missing handler for TC_ACT_CONSUMED in tcf_qevent_handle

A flaw was found in the Linux kernel's traffic control TC classifier application programming interface API. The tcfqeventhandle function does not properly handle a consumed socket buffer skb when it is processed by the defragmentation engine. This can lead to a Use-After-Free UAF vulnerability,...

kernel: net: sched: UAF via missing handler for TC_ACT_CONSUMED in tcf_qevent_handle

A flaw was found in the Linux kernel's traffic control TC classifier application programming interface API. The tcfqeventhandle function does not properly handle a consumed socket buffer skb when it is processed by the defragmentation engine. This can lead to a Use-After-Free UAF vulnerability,...

kernel: net: sched: UAF via missing handler for TC_ACT_CONSUMED in tcf_qevent_handle

A flaw was found in the Linux kernel's traffic control TC classifier application programming interface API. The tcfqeventhandle function does not properly handle a consumed socket buffer skb when it is processed by the defragmentation engine. This can lead to a Use-After-Free UAF vulnerability,...

kernel: net: sched: UAF via missing handler for TC_ACT_CONSUMED in tcf_qevent_handle

A flaw was found in the Linux kernel's traffic control TC classifier application programming interface API. The tcfqeventhandle function does not properly handle a consumed socket buffer skb when it is processed by the defragmentation engine. This can lead to a Use-After-Free UAF vulnerability,...

SUSE CVE-2026-64547

In the Linux kernel, the following vulnerability has been resolved: net: usb: net1080: validate packetlen before pad-byte access in rxfixup For an even packetlen, net1080rxfixup reads the pad byte at skb-datapacketlen before the skb-len != packetlen check further down, and packetlen is only bound...

SUSE CVE-2026-64552

In the Linux kernel, the following vulnerability has been resolved: virtio-net: fix len check in receivebig receivebig bounds the device-announced length by bigpacketsnumskbfrags + 1 PAGESIZE. That is still too loose: addrecvbufbig sets sg1 to start at offset sizeofstruct paddedvnethdr into the...

kernel: tipc: fix double-free in tipc_buf_append()

A flaw was found in the Linux kernel's Transparent Inter-Process Communication TIPC module. This vulnerability, a double-free, occurs when the tipcbufappend function incorrectly handles memory after a socket buffer skb reallocation. An attacker could potentially exploit this to cause system...

EUVD-2026-49603

In the Linux kernel, the following vulnerability has been resolved: virtio-net: fix len check in receivebig receivebig bounds the device-announced length by bigpacketsnumskbfrags + 1 PAGESIZE. That is still too loose: addrecvbufbig sets sg1 to start at offset sizeofstruct paddedvnethdr into the...

PT-2026-65227

In the Linux kernel, the following vulnerability has been resolved: virtio-net: fix len check in receive big receive big bounds the device-announced length by big packets num skbfrags + 1 PAGE SIZE. That is still too loose: add recvbuf big sets sg1 to start at offset sizeofstruct padded vnet hdr...

PT-2026-65224

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: bpa10x: avoid OOB read of revision string in bpa10x setup bpa10x setup sends the vendor command 0xfc0e and passes the response to bt dev info and hci set fw info as a "%s" string starting at skb-data + 1, without...

CVE-2026-64530 net/sched: cls_api: Handle TC_ACT_CONSUMED in tcf_qevent_handle

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsapi: Handle TCACTCONSUMED in tcfqeventhandle tcfclassify can return TCACTCONSUMED while the skb is held by the defragmentation engine e.g. actct on out-of-order fragments. When that happens the skb is no longer owne...

SUSE CVE-2026-64435

In the Linux kernel, the following vulnerability has been resolved: audit: Fix data races of skbqueuelen readers on auditqueue Multiple readers access auditqueue.qlen via skbqueuelen without holding the queue lock or using READONCE, while kauditd writes to this field via the skbdequeue - skbunlin...

SUSE CVE-2026-64055

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: cortina: Carry over frag counter The gmacrx NAPI poll function assembles packets in an SKB from a ring buffer. If the ring buffer gets completely emptied during a poll cycle, we exit gmacrx, but the packet is not y...

CVE-2026-64110

A flaw was found in the Linux kernel's igc driver, which handles Intel Gigabit Ethernet devices. When the igcfpeinittxdescriptor function fails to initialize a transmit descriptor, an allocated socket buffer skb is not properly released. This oversight leads to a memory leak within the kernel. Ov...

USN-8569-1: Linux kernel (HWE) vulnerabilities

It was discovered that some AMD processors did not properly clear data in the floating point divider unit during speculative execution. A local attacker could use this to expose sensitive information. CVE-2025-54505 It was discovered that some AMD Zen 2 processors did not properly isolate shared...

CVE-2026-64117

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: capture fast-RX rate before mesh reuses skb-cb ieee80211invokefastrx reads RX status through IEEE80211SKBRXCBskb, which aliases the same skb-cb storage that ieee80211rxmeshdata reuses as IEEE80211TXINFO. In the...

CVE-2026-64110

In the Linux kernel, the following vulnerability has been resolved: igc: fix potential skb leak in igcfpexmitsmdframe When igcfpeinittxdescriptor fails, no one takes care of an allocated skb, leaking it. 1 Use devkfreeskbany on failure. Tested on an I226 adapter with the following command, while...

CVE-2026-64035

In the Linux kernel, the following vulnerability has been resolved: igc: set tx buffer type for SMD frames Sashiko pointed out that igcfpeinitsmdframe initializes igctxbuffer fields for an SMD skb, but does not set the buffer type:...

CVE-2026-64024

In the Linux kernel, the following vulnerability has been resolved: tcp: fix stale per-CPU tcptwisn leak enabling ISN prediction Blamed commit moved the TIMEWAIT-derived ISN from the skb control block to a per-CPU variable, assuming the value would always be consumed by tcpconnrequest for the sam...