kernel: use after free in unix_stream_sendpage

A use-after-free flaw was found in the Linux kernel's afunix component that allows local privilege escalation. The unixstreamsendpage function tries to add data to the last skb in the peer's recv queue without locking the queue. This issue leads to a race condition where the unixstreamsendpage...

SUSE CVE-2024-26886

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: afbluetooth: Fix deadlock Attemting to do socklock on .recvmsg may cause a deadlock as shown bellow, so instead of using socksock this uses skreceivequeue.lock on btsockioctl to avoid the UAF: INFO: task kworker/u9:1:1...

kernel: 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...

kernel: gro: fix ownership transfer

A flaw was found in the Linux kernel's Generic Receive Offload GRO feature, where packets processed with a fragment list are not properly orphaned due to incorrect handling of socket references. This vulnerability can cause system instability or kernel bugs. The issue has been fixed by making sur...

DEBIAN-CVE-2024-26903

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: rfcomm: Fix null-ptr-deref in rfcommchecksecurity During our fuzz testing of the connection and disconnection process at the RFCOMM layer, we discovered this bug. By comparing the packets from a normal connection and...

DEBIAN-CVE-2024-26886

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: afbluetooth: Fix deadlock Attemting to do socklock on .recvmsg may cause a deadlock as shown bellow, so instead of using socksock this uses skreceivequeue.lock on btsockioctl to avoid the UAF: INFO: task kworker/u9:1:1...

CVE-2024-26861

In the Linux kernel, the following vulnerability has been resolved: wireguard: receive: annotate data-race around receivingcounter.counter Syzkaller with KCSAN identified a data-race issue when accessing keypair-receivingcounter.counter. Use READONCE and WRITEONCE annotations to mark the data rac...

UBUNTU-CVE-2024-26886

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: afbluetooth: Fix deadlock Attemting to do socklock on .recvmsg may cause a deadlock as shown bellow, so instead of using socksock this uses skreceivequeue.lock on btsockioctl to avoid the UAF: INFO: task kworker/u9:1:1...

CVE-2024-26861

In the Linux kernel, the following vulnerability has been resolved: wireguard: receive: annotate data-race around receivingcounter.counter Syzkaller with KCSAN identified a data-race issue when accessing keypair-receivingcounter.counter. Use READONCE and WRITEONCE annotations to mark the data rac...

CVE-2024-26861

CVE-2024-26861 affects the Linux kernel wireguard receive path, where a data race around keypair->receiving_counter.counter was identified (READ_ONCE/WRITE_ONCE annotations used to mark the race as intentional). The race occurs between wg_packet_decrypt_worker and wg_packet_rx_poll, potentiall...

SUSE CVE-2021-47215

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: kTLS, Fix crash in RX resync flow For the TLS RX resync flow, we maintain a list of TLS contexts that require some attention, to communicate their resync information to the HW. Here we fix list corruptions, by protecti...

PT-2024-21617

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.7.0-rc4 net next mlx5 5483eb2 Description The issue is related to a potential deadlock in the Linux kernel when disabling aRFS Accelerated Receive Flow Steering under certain conditions. Specifically, when the...

CVE-2021-47196

In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Set send and receive CQ before forwarding to the driver Preset both receive and send CQ pointers prior to call to the drivers and overwrite it later again till the mlx4 is going to be changed do not overwrite ibqp...

CVE-2021-47196

In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Set send and receive CQ before forwarding to the driver Preset both receive and send CQ pointers prior to call to the drivers and overwrite it later again till the mlx4 is going to be changed do not overwrite ibqp...

SUSE CVE-2024-26675

In the Linux kernel, the following vulnerability has been resolved: pppasync: limit MRU to 64K syzbot triggered a warning 1 in allocpages: WARNONONCEGFPorder MAXPAGEORDER, gfp Willem fixed a similar issue in commit c0a2a1b0d631 "ppp: limit MRU to 64K" Adopt the same sanity check for...

DEBIAN-CVE-2024-26803

In the Linux kernel, the following vulnerability has been resolved: net: veth: clear GRO when clearing XDP even when down veth sets NETIFFGRO automatically when XDP is enabled, because both features use the same NAPI machinery. The logic to clear NETIFFGRO sits in vethdisablexdp which is called...

DEBIAN-CVE-2024-26740

In the Linux kernel, the following vulnerability has been resolved: net/sched: actmirred: use the backlog for mirred ingress The test Davide added in commit ca22da2fbd69 "actmirred: use the backlog for nested calls to mirred ingress" hangs our testing VMs every 10 or so runs, with the familiar...

UBUNTU-CVE-2023-52637

In the Linux kernel, the following vulnerability has been resolved: can: j1939: Fix UAF in j1939skmatchfilter during setsockoptSOJ1939FILTER Lock jsk-sk to prevent UAF when setsockopt..., SOJ1939FILTER, ... modifies jsk-filters while receiving packets. Following trace was seen on affected system:...

PT-2024-21496

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The issue arises when reversing the flow of traffic with the redirect egress - ingress, potentially reaching the same socket that generated the packet while still holding its socket lock...

kernel: CIFS Filesystem Decryption Improper Input Validation Remote Code Execution Vulnerability in function receive_encrypted_standard of client

An out-of-bounds memory read flaw was found in receiveencryptedstandard in fs/smb/client/smb2ops.c in the SMB Client sub-component in the Linux Kernel. This issue occurs due to integer underflow on the memcpy length, leading to a denial of service...