Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-002535)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002535 advisory. An issue was discovered in fs/xfs/libxfs/xfsattrleaf.c in the Linux kernel through 4.17.3. An OOPS may occur for a corrupted xfs image after xfsdashrinkinode is call...

PT-2026-5535

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains an issue where references to fault configfs items are not released when a nullbX device is removed, leading to a kernel memory leak kmemleak. This occurs when t...

UBUNTU-CVE-2023-54227

In the Linux kernel, the following vulnerability has been resolved: blk-mq: fix tags leak when shrink nrhwqueues Although we don't need to realloc set-tags when shrink nrhwqueues, we need to free them. Or these tags will be leaked. How to reproduce: 1. mount -t configfs configfs /mnt 2. modprobe...

CVE-2023-54227

In the Linux kernel, the following vulnerability has been resolved: blk-mq: fix tags leak when shrink nrhwqueues Although we don't need to realloc set-tags when shrink nrhwqueues, we need to free them. Or these tags will be leaked. How to reproduce: 1. mount -t configfs configfs /mnt 2. modprobe...

CVE-2023-54227 blk-mq: fix tags leak when shrink nr_hw_queues

In the Linux kernel, the following vulnerability has been resolved: blk-mq: fix tags leak when shrink nrhwqueues Although we don't need to realloc set-tags when shrink nrhwqueues, we need to free them. Or these tags will be leaked. How to reproduce: 1. mount -t configfs configfs /mnt 2. modprobe...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-989877)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989877 advisory. In the Linux kernel, the following vulnerability has been resolved: nullblk: fix validation of block size Block size should be between 512 and PAGESIZE and be a powe...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990215)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990215 advisory. In the Linux kernel, the following vulnerability has been resolved: nullblk: fix validation of block size Block size should be between 512 and PAGESIZE and be a powe...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: lib/groupcpus: Fixed the issue of NULL pointer dereferencing in groupcpusevenly. While testing nullblk with configfs, the command echo 0 pollqueues would trigger the following panic: BUG: NULL pointer dereferencing in the kernel,...

EUVD-2023-60032

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Fix memory leak in qla2x00probeone There is a memory leak reported by kmemleak: unreferenced object 0xffffc900003f0000 size 12288: comm "modprobe", pid 19117, jiffies 4299751452 age 42490.264s hex dump first 32...

EUVD-2025-31872

EUVD-2025-31872...

Linux Distros Unpatched Vulnerability : CVE-2023-53576

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - nullblk: Always check queue mode setting from configfs Make sure to check device queue mode in the nullvalidateconf and return error for NULLQRQ as we don't all...

SUSE CVE-2023-53576

In the Linux kernel, the following vulnerability has been resolved: nullblk: Always check queue mode setting from configfs Make sure to check device queue mode in the nullvalidateconf and return error for NULLQRQ as we don't allow legacy I/O path, without this patch we get OOPs when queue mode is...

CVE-2023-53576

In the Linux kernel, the following vulnerability has been resolved: nullblk: Always check queue mode setting from configfs Make sure to check device queue mode in the nullvalidateconf and return error for NULLQRQ as we don't allow legacy I/O path, without this patch we get OOPs when queue mode is...

CVE-2023-53576

CVE-2023-53576 affects the Linux kernel’s null_blk driver. The patch ensures queue mode is always validated from configfs by checking queue_mode in null_validate_conf() and returning an error for NULL_Q_RQ to prevent a NULL I/O path OOPs when queue_mode is set to 1. Reproduction steps are provide...

CVE-2023-53576 null_blk: Always check queue mode setting from configfs

In the Linux kernel, the following vulnerability has been resolved: nullblk: Always check queue mode setting from configfs Make sure to check device queue mode in the nullvalidateconf and return error for NULLQRQ as we don't allow legacy I/O path, without this patch we get OOPs when queue mode is...

CVE-2023-53576 null_blk: Always check queue mode setting from configfs

In the Linux kernel, the following vulnerability has been resolved: nullblk: Always check queue mode setting from configfs Make sure to check device queue mode in the nullvalidateconf and return error for NULLQRQ as we don't allow legacy I/O path, without this patch we get OOPs when queue mode is...

PT-2025-40718

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.3.0-rc5lblk+ 5 Description The Linux kernel contained a flaw in the null block null blk driver related to the handling of queue mode settings through configfs. Specifically, the code did not adequately validate...

UBUNTU-CVE-2023-53531

In the Linux kernel, the following vulnerability has been resolved: nullblk: fix poll request timeout handling When doing iouring benchmark on /dev/nullb0, it's easy to crash the kernel if poll requests timeout triggered, as reported by David. 1 BUG: kernel NULL pointer dereference, address:...

CVE-2023-53531 null_blk: fix poll request timeout handling

In the Linux kernel, the following vulnerability has been resolved: nullblk: fix poll request timeout handling When doing iouring benchmark on /dev/nullb0, it's easy to crash the kernel if poll requests timeout triggered, as reported by David. 1 BUG: kernel NULL pointer dereference, address:...

CVE-2023-53531

CVE-2023-53531 affects the Linux kernel’s null_blk poll timeout handling. The provided details describe a race between null_timeout_rq() and null_poll() that can cause a NULL pointer dereference (address 0x8) and kernel panic during io_uring benchmarks on /dev/nullb0. The root cause is a race in ...