Linux Kernel Security Vulnerabilities

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the monhandleauthdone not returning a handler error, potentially leading to null pointer dereferencing...

PT-2026-4357

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel related to a device reference imbalance within the ISP1301 USB PHY driver. A recent fix for a device reference leak in a UDC driver introduced a potenti...

The vulnerability of the spectrum_mr() function in the Linux operating system’s kernel allows a hacker to cause a service failure.

The vulnerability of the spectrummr function in the Linux operating system’s kernel is related to the use of memory after it is freed. Exploiting this vulnerability can allow an attacker to cause a service failure...

The vulnerability in the drivers/input/touchscreen/ti_am335x_tsc.c driver for the touchscreen interface (TSC) of the ti_am33x_tsc component of the Linux operating system allows a hacker to cause a system failure or disclose sensitive information.

The vulnerability in the drivers/input/touchscreen/tiam335xtsc.c driver for the touchscreen interface TSC of the tiam33xtsc component of the Linux operating system is related to the reutilization of previously freed memory. Exploiting this vulnerability can allow an attacker to cause a system...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-004924)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004924 advisory. In the Linux kernel, the following vulnerability has been resolved: vhost/vsock: Use kvmalloc/kvfree for larger packets. When copying a large file over sftp over...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-004877)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004877 advisory. In the Linux kernel, the following vulnerability has been resolved: iio: light: isl29028: Fix the warning in isl29028remove The driver use the non-managed form of th...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-004896)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004896 advisory. In the Linux kernel, the following vulnerability has been resolved: usb: host: Fix refcount leak in ehcihcdppcofprobe offindcompatiblenode returns a node pointer wit...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-004925)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004925 advisory. In the Linux kernel, the following vulnerability has been resolved: mmc: rtsxusbsdmmc: fix return value check of mmcaddhost mmcaddhost may return error, if we ignore...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-004890)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004890 advisory. In the Linux kernel, the following vulnerability has been resolved: video: fbdev: s3fb: Check the size of screen before memsetio In the function s3fbsetpar, the valu...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-004842)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004842 advisory. In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix user-after-free This uses l2capchanholdunlesszero after calling...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-004889)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004889 advisory. In the Linux kernel, the following vulnerability has been resolved: HID: hidraw: fix memory leak in hidrawrelease Free the buffered reports before deleting the list...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-004856)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004856 advisory. In the Linux kernel, the following vulnerability has been resolved: mtd: maps: Fix refcount leak in apflashinit offindmatchingnode returns a node pointer with refcou...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-004926)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004926 advisory. In the Linux kernel, the following vulnerability has been resolved: powerpc/64: Init jump labels before parseearlyparam On 64-bit, calling jumplabelinit in...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-004901)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004901 advisory. In the Linux kernel, the following vulnerability has been resolved: sctp: handle the error returned from sctpauthasocinitactivekey When it returns an error from...

EUVD-2022-54676

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Use kzalloc for sev ioctl interfaces to prevent kernel data leak For some sev ioctl interfaces, the length parameter that is passed maybe less than or equal to SEVFWBLOBMAXSIZE, but larger than the data that PSP firmwar...

Azure Linux 3.0 Security Update: kernel (CVE-2025-37998)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-37998 advisory. - In the Linux kernel, the following vulnerability has been resolved: openvswitch: Fix unsafe attribute parsin...

Azure Linux 3.0 Security Update: kernel (CVE-2025-38004)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-38004 advisory. - In the Linux kernel, the following vulnerability has been resolved: can: bcm: add locking for bcmop runtime...

Azure Linux 3.0 Security Update: kernel (CVE-2025-21980)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-21980 advisory. - In the Linux kernel, the following vulnerability has been resolved: sched: address a potential NULL pointer...

Azure Linux 3.0 Security Update: kernel (CVE-2024-46858)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-46858 advisory. - In the Linux kernel, the following vulnerability has been resolved: mptcp: pm: Fix uaf in timerdeletesync...

Azure Linux 3.0 Security Update: kernel (CVE-2024-42241)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-42241 advisory. - In the Linux kernel, the following vulnerability has been resolved: mm/shmem: disable PMD-sized page cache i...