CVE-2026-93287 i2c: smbus: reject oversized block transfers in the common path

In the Linux kernel, the following vulnerability has been resolved: i2c: smbus: reject oversized block transfers in the common path The SMBus block transfer length data-block0 is validated in i2csmbusxferemulated but that check runs too late for tracepoints and is skipped entirely when the adapte...

RHEL 7 : kernel-rt (RHSA-2026:70308)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:70308 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism...

RHEL 7 : kernel (RHSA-2026:70290)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:70290 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: fanotify: fix false positive ...

kernel: i2c: stub: Reject I2C block transfers with invalid length

A flaw was found in the Linux kernel's i2c-stub driver. A local user with access to the /dev/i2c- device can exploit this vulnerability by issuing an I2C System Management Bus SMBus input/output control ioctl command with a specially crafted block transfer length. This invalid length can cause th...

kernel: i2c: stub: Reject I2C block transfers with invalid length

A flaw was found in the Linux kernel's i2c-stub driver. A local user with access to the /dev/i2c- device can exploit this vulnerability by issuing an I2C System Management Bus SMBus input/output control ioctl command with a specially crafted block transfer length. This invalid length can cause th...

kernel: i2c: stub: Reject I2C block transfers with invalid length

A flaw was found in the Linux kernel's i2c-stub driver. A local user with access to the /dev/i2c- device can exploit this vulnerability by issuing an I2C System Management Bus SMBus input/output control ioctl command with a specially crafted block transfer length. This invalid length can cause th...

RHEL 8 : kernel (RHSA-2026:65709)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:65709 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: Bluetooth: hcievent: fix...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-073361)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-073361 advisory. In the Linux kernel, the following vulnerability has been resolved: i2c: stub: Reject I2C block transfers with invalid length The I2CSMBUSI2CBLOCKDATA case in stubxf...

kernel: i2c: stub: Reject I2C block transfers with invalid length

A flaw was found in the Linux kernel's i2c-stub driver. A local user with access to the /dev/i2c- device can exploit this vulnerability by issuing an I2C System Management Bus SMBus input/output control ioctl command with a specially crafted block transfer length. This invalid length can cause th...

kernel: i2c: stub: Reject I2C block transfers with invalid length

A flaw was found in the Linux kernel's i2c-stub driver. A local user with access to the /dev/i2c- device can exploit this vulnerability by issuing an I2C System Management Bus SMBus input/output control ioctl command with a specially crafted block transfer length. This invalid length can cause th...

ALSA-2026:59737 Important: kernel-rt security, bug fix, and enhancement update

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fixes: kernel: sctp: purge outqueue on stale COOKIE-ECHO handling CVE-2026-52924 kernel: scsi: target: iscsi: Validate CHAPR length before base64...

kernel security, bug fix, and enhancement update

4.18.0-553.158.1 - Update Oracle Linux certificates Kevin Lyons - Disable signing for aarch64 Ilya Okomin - Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys list olkmodsigningkey.pem Orabug: 29539237 - Update x509.genkey Orabug: 24817676 - Conflict with shim-ia32 and...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098892)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098892 advisory. In the Linux kernel, the following vulnerability has been resolved: i2c: stub: Reject I2C block transfers with invalid length The I2CSMBUSI2CBLOCKDATA case in stubxf...

i2c: stub: Reject I2C block transfers with invalid length

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CVE-2026-64191

A flaw was found in the Linux kernel's i2c-stub driver. A local user with access to the /dev/i2c- device can exploit this vulnerability by issuing an I2C System Management Bus SMBus input/output control ioctl command with a specially crafted block transfer length. This invalid length can cause th...

CVE-2026-64086

A flaw was found in the Linux kernel's hwmon hardware monitoring subsystem, specifically in the pmbus/adm1266 driver. The adm1266pmbusblockxfer function attempts to read one byte more than the allocated buffer size during a block transfer read operation. This out-of-bounds write can lead to memor...

Linux Distros Unpatched Vulnerability : CVE-2026-64085

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: hwmon: pmbus/adm1266 bounce blackbox records through a protocol-sized buffer...

CVE-2026-64086

The CVE-2026-64086 issue affects the Linux kernel PMBUS adm1266 hwmon path. A read transaction for the pmbus_block_xfer path set .len to ADM1266_PMBUS_BLOCK_MAX + 2 while read_buf was declared as ADM1266_PMBUS_BLOCK_MAX + 1. For max-length block responses, this allowed writing 257 bytes into a 25...

CVE-2026-64086

In the Linux kernel, the following vulnerability has been resolved: hwmon: pmbus/adm1266 include PEC byte in pmbusblockxfer read buffer adm1266pmbusblockxfer sets up the read transaction with .buf = data-readbuf, .len = ADM1266PMBUSBLOCKMAX + 2, but readbuf in struct adm1266data is declared as u8...

CVE-2026-64085

In the Linux kernel, the following vulnerability has been resolved: hwmon: pmbus/adm1266 bounce blackbox records through a protocol-sized buffer adm1266pmbusblockxfer copies the device-supplied block payload into the caller-provided buffer using the device-supplied length: memcpydatar, &msgs1.buf...