CVE-2026-45966

Summary: CVE-2026-45966 pertains to a regression in AppArmor on Linux kernels (6.17+) where a NULL pointer dereference could occur in __unix_needs_revalidation() when handling SCM_RIGHTS file descriptors, if both sock and sock->sk are NULL during socket setup/teardown. The crash path involves ...

Astra Linux - уязвимость в linux-6.1

In the Linux kernel, the following vulnerability has been resolved: scsi: wd33c93: Do not use an outdated SCSI pointer value. A regression was introduced with the commit dbb2da557a6a “scsi: wd33c93: Move the SCSI pointer to private command data”, which resulted in a buffer overflow error in...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: ceph: fixed NULL pointer dereference in cephmdsauthmatch The CephFS kernel client has a regression starting from 6.18-rc1. There is an issue in cephmdsauthmatch if fsname is NULL: c const char fsname =...

Astra Linux - уязвимость в linux-5.10, linux-5.15

There is a vulnerability in the Linux Kernel within the KVM framework: nVMX, which allows for speculative execution attacks. L2 can execute Spectre v2 attacks on L1, as L1 believes it does not need retpolines or IBPB after executing L2, due to KVM L0 indicating support for eIBRS to L1. An attacke...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-004804)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004804 advisory. In the Linux kernel, the following vulnerability has been resolved: i40e: fix vf may be used uninitialized in this function warning To fix the regression introduced ...

CVE-2025-68224 scsi: core: Fix a regression triggered by scsi_host_busy()

In the Linux kernel, the following vulnerability has been resolved: scsi: core: Fix a regression triggered by scsihostbusy Commit 995412e23bb2 "blk-mq: Replace tags-lock with SRCU for tag iterators" introduced the following regression: Call trace: srcureadlock+0x30/0x80 P...

CVE-2025-39848

CVE-2025-39848 (Linux kernel) concerns ax25_kiss_rcv() potentially queuing/mangling input skbs when the skb is shared, leading to crashes in __netif_receive_skb_core() after a per-netns packet-chain change. The root cause is a lack of proper unsharing of skbs in ax25_kiss_rcv(), with a regression...

DEBIAN-CVE-2023-53217

In the Linux kernel, the following vulnerability has been resolved: nubus: Partially revert proccreatesingledata conversion The conversion to proccreatesingledata introduced a regression whereby reading a file in /proc/bus/nubus results in a seg fault: grep -r . /proc/bus/nubus/e/ Data read fault...

CVE-2023-53217

Summary (CVE-2023-53217): Linux kernel vulnerability affecting the nubus subsystem where reading files under /proc/bus/nubus could segfault. The issue stems from a regression introduced during the conversion of proc_create_single_data() usage, making single_open() calls with nubus_proc_rsrc_show(...

Linux Distros Unpatched Vulnerability : CVE-2020-16120

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Overlayfs did not properly perform permission checking when copying up files in an overlayfs and could be exploited from within a user namespace, if, for exampl...

SUSE CVE-2022-2196

A regression exists in the Linux Kernel within KVM: nVMX that allowed for speculative execution attacks. L2 can carry out Spectre v2 attacks on L1 due to L1 thinking it doesn't need retpolines or IBPB after running L2 due to KVM L0 advertising eIBRS support to L1. An attacker at L2 with code...

Ubuntu 18.04 LTS : Linux kernel regression (USN-3878-3)

The remote Ubuntu 18.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-3878-3 advisory. USN-3878-1 fixed vulnerabilities in the Linux kernel. Unfortunately, that update introduced a regression that could prevent systems with certain graphics chipsets...

AZL-12951 CVE-2022-2196 affecting package kernel for versions less than 5.15.102.1-1

A regression exists in the Linux Kernel within KVM: nVMX that allowed for speculative execution attacks. L2 can carry out Spectre v2 attacks on L1 due to L1 thinking it doesn't need retpolines or IBPB after running L2 due to KVM L0 advertising eIBRS support to L1. An attacker at L2 with code...

Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel regression (USN-5210-2)

The remote Ubuntu 18.04 LTS / 20.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-5210-2 advisory. USN-5210-1 fixed vulnerabilities in the Linux kernel. Unfortunately, that update introduced a regression that caused failures to boot in environments...

USN-5091-3: Linux kernel (Azure) regression

USN-5091-1 fixed vulnerabilities in Linux 5.4-based kernels. Unfortunately, for Linux kernels intended for use within Microsoft Azure environments, that update introduced a regression that could cause the kernel to fail to boot in large Azure instance types. This update fixes the problem. We...

Ubuntu 16.04 LTS / 18.04 LTS : Linux kernel regression (USN-4660-2)

The remote Ubuntu 16.04 LTS / 18.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-4660-2 advisory. USN-4660-1 fixed vulnerabilities in the Linux kernel. Unfortunately, that update introduced a regression in the software raid10 driver when used with...

Ubuntu 18.04 LTS : Linux kernel regression (USN-4369-2)

The remote Ubuntu 18.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-4369-2 advisory. USN-4369-1 fixed vulnerabilities in the 5.3 Linux kernel. Unfortunately, that update introduced a regression in overlayfs. This update corrects the problem. We...

USN-4115-2: Linux kernel regression

USN 4115-1 fixed vulnerabilities in the Linux 4.15 kernel for Ubuntu 18.04 LTS and Ubuntu 16.04 LTS. Unfortunately, as part of the update, a regression was introduced that caused a kernel crash when handling fragmented packets in some situations. This update addresses the issue. We apologize for...

Ubuntu 16.04 LTS / 18.04 LTS : Linux kernel regression (USN-4115-2)

The remote Ubuntu 16.04 LTS / 18.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-4115-2 advisory. USN 4115-1 fixed vulnerabilities in the Linux 4.15 kernel for Ubuntu 18.04 LTS and Ubuntu 16.04 LTS. Unfortunately, as part of the update, a regressio...

Ubuntu 18.04 LTS : Linux kernel regression (USN-3718-1)

The remote Ubuntu 18.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-3718-1 advisory. USN-3695-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.04 LTS. Unfortunately, the fix for CVE-2018-1108 introduced a regression where insufficient ear...