CLSA-2026-1778276927 kernel: Fix of 33 CVEs

rxrpc: Also unshare DATA/RESPONSE packets when paged frags are present - xfrm: esp: avoid in-place decrypt on shared skb frags - ext4: avoid OOB when system.data xattr changes underneath the filesystem CVE-2024-47701 - gpiolib: cdev: fix uninitialised kfifo CVE-2024-36898 - wifi: mt76: Fix...

EUVD-2026-28618

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: SMP: force responder MITM requirements before building the pairing response smpcmdpairingreq currently builds the pairing response from the initiator authreq before enforcing the local BTSECURITYHIGH requirement. If th...

EUVD-2026-28606

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: Fix UAF in lereadfeaturescomplete This fixes the following backtrace caused by hciconn being freed before lereadfeaturescomplete but after hcilereadremotefeaturessync so hciconndel - hcicmdsyncdequeue is not...

CVE-2026-43334

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: SMP: force responder MITM requirements before building the pairing response smpcmdpairingreq currently builds the pairing response from the initiator authreq before enforcing the local BTSECURITYHIGH requirement. If th...

CVE-2026-43322

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: Fix UAF in lereadfeaturescomplete This fixes the following backtrace caused by hciconn being freed before lereadfeaturescomplete but after hcilereadremotefeaturessync so hciconndel - hcicmdsyncdequeue is not...

CVE-2026-43334

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: SMP: force responder MITM requirements before building the pairing response smpcmdpairingreq currently builds the pairing response from the initiator authreq before enforcing the local BTSECURITYHIGH requirement. If th...

UBUNTU-CVE-2026-43334

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: SMP: force responder MITM requirements before building the pairing response smpcmdpairingreq currently builds the pairing response from the initiator authreq before enforcing the local BTSECURITYHIGH requirement. If th...

CVE-2026-43322

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: Fix UAF in lereadfeaturescomplete This fixes the following backtrace caused by hciconn being freed before lereadfeaturescomplete but after hcilereadremotefeaturessync so hciconndel - hcicmdsyncdequeue is not...

UBUNTU-CVE-2026-43322

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: Fix UAF in lereadfeaturescomplete This fixes the following backtrace caused by hciconn being freed before lereadfeaturescomplete but after hcilereadremotefeaturessync so hciconndel - hcicmdsyncdequeue is not...

CVE-2026-43334

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: SMP: force responder MITM requirements before building the pairing response smpcmdpairingreq currently builds the pairing response from the initiator authreq before enforcing the local BTSECURITYHIGH requirement. If th...

CVE-2026-43334

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: SMP: force responder MITM requirements before building the pairing response smpcmdpairingreq currently builds the pairing response from the initiator authreq before enforcing the local BTSECURITYHIGH requirement. If th...

CVE-2026-43334 Bluetooth: SMP: force responder MITM requirements before building the pairing response

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: SMP: force responder MITM requirements before building the pairing response smpcmdpairingreq currently builds the pairing response from the initiator authreq before enforcing the local BTSECURITYHIGH requirement. If th...

CVE-2026-43334

CVE-2026-43334 concerns the Linux kernel Bluetooth SMP pairing flow. The issue arises in smp_cmd_pairing_req() where the pairing response is built from the initiator auth_req before enforcing the local BT_SECURITY_HIGH, allowing the response to omit SMP_AUTH_MITM if the initiator did. Consequentl...

CVE-2026-43334 Bluetooth: SMP: force responder MITM requirements before building the pairing response

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: SMP: force responder MITM requirements before building the pairing response smpcmdpairingreq currently builds the pairing response from the initiator authreq before enforcing the local BTSECURITYHIGH requirement. If th...

CVE-2026-43322 Bluetooth: hci_sync: Fix UAF in le_read_features_complete

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: Fix UAF in lereadfeaturescomplete This fixes the following backtrace caused by hciconn being freed before lereadfeaturescomplete but after hcilereadremotefeaturessync so hciconndel - hcicmdsyncdequeue is not...

CVE-2026-43322 Bluetooth: hci_sync: Fix UAF in le_read_features_complete

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: Fix UAF in lereadfeaturescomplete This fixes the following backtrace caused by hciconn being freed before lereadfeaturescomplete but after hcilereadremotefeaturessync so hciconndel - hcicmdsyncdequeue is not...

CVE-2026-43322

CVE-2026-43322 is a Linux kernel vulnerability in Bluetooth HCI sync handling (le_read_features_complete). The issue is a use-after-free (UAF) caused by freeing hci_conn after le_read_features_complete has been initiated but before it completes, allowing hci_cmd_sync_dequeue to fail to prevent th...

CVE-2026-43322

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: Fix UAF in lereadfeaturescomplete This fixes the following backtrace caused by hciconn being freed before lereadfeaturescomplete but after hcilereadremotefeaturessync so hciconndel - hcicmdsyncdequeue is not...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the use of the lereadfeaturescomplete function in Bluetooth HCI sync. This function allows for...

PT-2026-38973

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free UAF issue exists in the Bluetooth component of the Linux kernel. The problem occurs in the le read features complete function when hci conn is freed after hci le read...