Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: scsi: target: core: Fixed an issue where iSCSI ISIDs were used after a “use-after-free” occurred in the REGISTER AND MOVE function. The corescsi3emulateproregisterandmove function maps the PERSISTENT RESERVE OUT parameter list...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: scsi: target: core: Fix targetcmdcounter leak The targetcmdcounter structure, which is allocated using targetalloccmdcounter, is never freed, resulting in leaks across various transport types. For example: - Unreferenced objec...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ftcm: Keep the port count until LUN teardown completes The tcmusbg DropNexus function allows for the removal of a session once tpgportcount reaches zero. However, the usbgportunlink function currently decrements this...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: scsi: target: core: Fixed the nullptrderef issue in targetallocdevice There is a nullptrderef issue reported by KASAN: BUG: KASAN: nullptrderef in targetallocdevice+0xbc4/0xbe0 targetcoremod … kasanreport+0xb9/0xf0...

SUSE CVE-2026-97951

In the Linux kernel, the following vulnerability has been resolved: scsi: target: iscsi: Fix hang for aborted WRITEPENDING commands When a LUNRESET aborts a WRITE command that is in the TRANSPORTWRITEPENDING state, the target core sets CMDTABORTED and waits for the frontend to finish processing. ...

DEBIAN-CVE-2026-97951

In the Linux kernel, the following vulnerability has been resolved: scsi: target: iscsi: Fix hang for aborted WRITEPENDING commands When a LUNRESET aborts a WRITE command that is in the TRANSPORTWRITEPENDING state, the target core sets CMDTABORTED and waits for the frontend to finish processing. ...

CVE-2026-97951: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: scsi: target: iscsi: Fix hang for aborted WRITEPENDING commands When a LUNRESET aborts a WRITE command that is in the TRANSPORTWRITEPENDING state, the target core sets CMDTABORTED and waits for the frontend to finish processing. ...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: scsi: target: targetcoreconfigfs: Added a length check to avoid buffer overflow. A buffer overflow occurs due to the use of snprintf to write data into the buffer “buf” in the targetlugpmembersshow function located in...

CVE-2026-80854

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ftcm: keep port count until LUN teardown completes tcmusbgdropnexus permits session removal once tpgportcount reaches zero. However, usbgportunlink currently decrements that count from the fabricpreunlink callback,...

CVE-2026-80854 usb: gadget: f_tcm: keep port count until LUN teardown completes

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ftcm: keep port count until LUN teardown completes tcmusbgdropnexus permits session removal once tpgportcount reaches zero. However, usbgportunlink currently decrements that count from the fabricpreunlink callback,...

Linux Distros Unpatched Vulnerability : CVE-2026-80854

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - usb: gadget: ftcm: keep port count until LUN teardown completes tcmusbgdropnexus permits session removal once tpgportcount reaches zero. However, usbgportunlink...

CVE-2026-80854: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ftcm: keep port count until LUN teardown completes tcmusbgdropnexus permits session removal once tpgportcount reaches zero. However, usbgportunlink currently decrements that count from the fabricpreunlink callback,...

CVE-2026-72083 scsi: target: core: Fix iSCSI ISID use-after-free in REGISTER AND MOVE

In the Linux kernel, the following vulnerability has been resolved: scsi: target: core: Fix iSCSI ISID use-after-free in REGISTER AND MOVE corescsi3emulateproregisterandmove maps the PERSISTENT RESERVE OUT parameter list with transportkmapdatasg and parses the destination TransportID with...

CVE-2026-53021

A flaw was found in the Linux kernel's SCSI target core. The sbcexecuteunmap function, which handles UNMAP operations, is vulnerable to an integer overflow. This vulnerability occurs because the bounds check for the Logical Block Address LBA and range does not prevent a 64-bit overflow. An attack...

CVE-2026-53021

In the Linux kernel, the following vulnerability has been resolved: scsi: target: core: Fix integer overflow in UNMAP bounds check sbcexecuteunmap checks LBA + range does not exceed the device capacity, but does not guard against LBA + range wrapping around on 64-bit overflow. Add an overflow che...

CVE-2026-53021 scsi: target: core: Fix integer overflow in UNMAP bounds check

In the Linux kernel, the following vulnerability has been resolved: scsi: target: core: Fix integer overflow in UNMAP bounds check sbcexecuteunmap checks LBA + range does not exceed the device capacity, but does not guard against LBA + range wrapping around on 64-bit overflow. Add an overflow che...

CVE-2026-53021

CVE-2026-53021 affects the Linux kernel SCSI target core (UNMAP bounds check). The root cause is an overflow where LBA + range can wrap on 64-bit overflow, with a fix that adds an overflow check mirroring the pattern used for WRITE_SAME. Publicly noted patches exist across multiple OS families: R...

CVE-2026-53021: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: scsi: target: core: Fix integer overflow in UNMAP bounds check sbcexecuteunmap checks LBA + range does not exceed the device capacity, but does not guard against LBA + range wrapping around on 64-bit overflow. Add an overflow che...

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 targetcorefile not initializing the kiwritestream field of aiocmd-iocb, which could result in a write comman...

SUSE-SU-2026:1573-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP7 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2025-39998: scsi: target: targetcoreconfigfs: Add length check to avoid buffer overflow bsc1252073. - CVE-2025-68794: iomap: adjust read range correctly for...