CVE-2024-26611

In the Linux kernel, the following vulnerability has been resolved: xsk: fix usage of multi-buffer BPF helpers for ZC XDP Currently when packet is shrunk via bpfxdpadjusttail and memory type is set to MEMTYPEXSKBUFFPOOL, null ptr dereference happens: 1136314.192256 BUG: kernel NULL pointer...

Null pointer dereference

In the Linux kernel, the following vulnerability has been resolved: xsk: fix usage of multi-buffer BPF helpers for ZC XDP Currently when packet is shrunk via bpfxdpadjusttail and memory type is set to MEMTYPEXSKBUFFPOOL, null ptr dereference happens: 1136314.192256 BUG: kernel NULL pointer...

CVE-2024-26611

In the Linux kernel, the following vulnerability has been resolved: xsk: fix usage of multi-buffer BPF helpers for ZC XDP Currently when packet is shrunk via bpfxdpadjusttail and memory type is set to MEMTYPEXSKBUFFPOOL, null ptr dereference happens: 1136314.192256 BUG: kernel NULL pointer...

Linux kernel security vulnerabilities

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a null pointer dereference when bpfxdpadjusttail shrinks packets and sets the memory type to...

SUSE CVE-2021-47099

In the Linux kernel, the following vulnerability has been resolved: veth: ensure skb entering GRO are not cloned. After commit d3256efd8e8b "veth: allow enabling NAPI even without XDP", if GRO is enabled on a veth device and TSO is disabled on the peer device, TCP skbs will go through the NAPI...

PT-2024-8431

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The issue is related to the cpumap component of the Linux kernel, where the xdp rxq info struct is not properly initialized before running an XDP program. This leads to random values bei...

CVE-2021-47099

In the Linux kernel, the following vulnerability has been resolved: veth: ensure skb entering GRO are not cloned. After commit d3256efd8e8b "veth: allow enabling NAPI even without XDP", if GRO is enabled on a veth device and TSO is disabled on the peer device, TCP skbs will go through the NAPI...

UBUNTU-CVE-2021-47099

In the Linux kernel, the following vulnerability has been resolved: veth: ensure skb entering GRO are not cloned. After commit d3256efd8e8b "veth: allow enabling NAPI even without XDP", if GRO is enabled on a veth device and TSO is disabled on the peer device, TCP skbs will go through the NAPI...

CVE-2021-47099

CVE-2021-47099 targets the Linux kernel veth path where GRO could process shared/cloned skbs when GRO is on, and no XDP program is attached. The fix is to skip the GRO stage for shared or cloned skbs, avoiding potential GRO-related corruption; the patch reverts to netif_receive_skb and introduces...

CVE-2021-47099 veth: ensure skb entering GRO are not cloned.

In the Linux kernel, the following vulnerability has been resolved: veth: ensure skb entering GRO are not cloned. After commit d3256efd8e8b "veth: allow enabling NAPI even without XDP", if GRO is enabled on a veth device and TSO is disabled on the peer device, TCP skbs will go through the NAPI...

CVE-2021-47099 veth: ensure skb entering GRO are not cloned.

In the Linux kernel, the following vulnerability has been resolved: veth: ensure skb entering GRO are not cloned. After commit d3256efd8e8b "veth: allow enabling NAPI even without XDP", if GRO is enabled on a veth device and TSO is disabled on the peer device, TCP skbs will go through the NAPI...

SUSE CVE-2021-46947

In the Linux kernel, the following vulnerability has been resolved: sfc: adjust efx-xdptxqueuecount with the real number of initialized queues efx-xdptxqueuecount is initially initialized to numpossiblecpus and is later used to allocate and traverse efx-xdptxqueues lookup array. However, we may e...

CVE-2024-26611 xsk: fix usage of multi-buffer BPF helpers for ZC XDP

In the Linux kernel, the following vulnerability has been resolved: xsk: fix usage of multi-buffer BPF helpers for ZC XDP Currently when packet is shrunk via bpfxdpadjusttail and memory type is set to MEMTYPEXSKBUFFPOOL, null ptr dereference happens: 1136314.192256 BUG: kernel NULL pointer...

CVE-2024-26611 xsk: fix usage of multi-buffer BPF helpers for ZC XDP

In the Linux kernel, the following vulnerability has been resolved: xsk: fix usage of multi-buffer BPF helpers for ZC XDP Currently when packet is shrunk via bpfxdpadjusttail and memory type is set to MEMTYPEXSKBUFFPOOL, null ptr dereference happens: 1136314.192256 BUG: kernel NULL pointer...

CVE-2024-26611

CVE-2024-26611 : In the Linux kernel, the ZC XDP path briefly mishandles memory when bpf_xdp_adjust_tail() shrinks a packet with MEM_TYPE_XSK_BUFF_POOL, causing a NULL pointer dereference in __xdp_return() when the xdp_buff argument is NULL. The issue arises in the non-linear XDP RX path for zero...

CVE-2024-26611

In the Linux kernel, the following vulnerability has been resolved: xsk: fix usage of multi-buffer BPF helpers for ZC XDP Currently when packet is shrunk via bpfxdpadjusttail and memory type is set to MEMTYPEXSKBUFFPOOL, null ptr dereference happens: 1136314.192256 BUG: kernel NULL pointer...

CVE-2021-46947

In the Linux kernel, the following vulnerability has been resolved: sfc: adjust efx-xdptxqueuecount with the real number of initialized queues efx-xdptxqueuecount is initially initialized to numpossiblecpus and is later used to allocate and traverse efx-xdptxqueues lookup array. However, we may e...

CVE-2021-46947

In the Linux kernel, the following vulnerability has been resolved: sfc: adjust efx-xdptxqueuecount with the real number of initialized queues efx-xdptxqueuecount is initially initialized to numpossiblecpus and is later used to allocate and traverse efx-xdptxqueues lookup array. However, we may e...

UBUNTU-CVE-2021-46947

In the Linux kernel, the following vulnerability has been resolved: sfc: adjust efx-xdptxqueuecount with the real number of initialized queues efx-xdptxqueuecount is initially initialized to numpossiblecpus and is later used to allocate and traverse efx-xdptxqueues lookup array. However, we may e...

PT-2024-7731

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The vulnerability is related to the Linux kernel's virtual Ethernet veth component. When XDP eXpress Data Path is enabled, veth sets the NETIF F GRO flag automatically because both...