Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: fou: Fix use-after-free in foucreate CVE-2026-74496 In the Linux kernel, the following vulnerability has been resolved: macvlan: inherit neededheadroom and neededtailroom from lowerdev CVE-2026-74743 In the Linux...

Linux Distros Unpatched Vulnerability : CVE-2026-99081

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - bnxten: fix DMA mapping length for padded small packets Stefan Fleischmann reported Intel IOMMU DMA Read faults on BCM57412 NetXtreme-E NICs when transmitting...

CLSA-2026-1777614954 kernel: Fix of 39 CVEs

crypto: algifaead - Fix minimum RX size check for decryption - crypto: afalg - Fix page reassignment overflow in afalgpulltsgl - crypto: authencesn - Fix src offset when decrypting in-place - crypto: authencesn - Do not place hiseq at end of dst for out-of-place decryption - crypto: authenc - use...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: macvlan: fixed memory leaks in macvlancommonnewlink. kmemleak reports memory leaks in macvlancommonnewlink, as follows: c ip link add link eth0 name .. type macvlan mode source macaddr add kmemleak reports: - A unreferenced...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: macvlan: The macvlan device inherits neededheadroom and neededtailroom from lowerdev during the macvlaninit function. However, these values are set to 0 after inheritance. When lowerdev requires additional headroom or tailroom...

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

In the Linux kernel, the following vulnerabilities have been resolved: macvlan: A grace period for resource control is observed in the error path of macvlancommonnewlink. Valis reported that a race condition still occurs after our previous patch. macvlancommonnewlink might have made the device...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: netfilter: Bridge: Multicast packets must be confirmed before being passed up the stack. The conntrack/nfconfirm logic does not handle cloned skb entries that reference the same nfct entry. This occurs for multicast/broadcast...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: macvlan: Enforces a consistent minimal MTU. macvlan should enforce a minimal MTU of 68, even when creating a link. This patch avoids the current behavior which could lead to crashes in the IPv6 stack if the link is brought up. ba...

Rocky Linux 8 [CIQ] Security Update: bpftool / bpftool-debuginfo / kernel / kernel-abi-stablelists / etc Multiple Vulnerabilities (crlsa-2026_3963)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20263963 advisory. kernel: ipv6: BUG in pskbexpandhead as part of calipsoskbuffsetattr CVE-2025-71085 kernel: macvlan: fix possible UAF in macvlanforwardsource CVE-2026-23001...

CentOS Linux 8.5 [TuxCare] Security Update: bpftool / kernel / kernel-core / kernel-cross-headers / etc Multiple Vulnerabilities (CENTOS8.5:CLSA-2026:1784274653)

"The CentOS Linux 8.5 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS8.5:CLSA-2026:1784274653 advisory. - In the Linux kernel, the following vulnerability has been resolved: macvlan: fix error recovery in macvlancommonnewlink valis...

Rocky Linux 8 [CIQ] Security Update: kernel-rt / kernel-rt-core / kernel-rt-debug / kernel-rt-debug-core / etc Multiple Vulnerabilities (crlsa-2026_6036)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20266036 advisory. kernel: Linux kernel: Use-After-Free vulnerability in ATM subsystem CVE-2025-38180 kernel: macvlan: fix error recovery in macvlancommonnewlink CVE-2026-232...

Rocky Linux 8 [CIQ] Security Update: bpftool / bpftool-debuginfo / kernel / kernel-abi-stablelists / etc Multiple Vulnerabilities (crlsa-2026_6037)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20266037 advisory. kernel: Linux kernel: Use-After-Free vulnerability in ATM subsystem CVE-2025-38180 kernel: macvlan: fix error recovery in macvlancommonnewlink CVE-2026-232...

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

In the Linux kernel, the following vulnerability has been resolved: macvlan: The error recovery mechanism in macvlancommonnewlink was fixed. Valis provided a detailed reproduction of the issue that caused the kernel to crash: bash ip link add p1 type veth peer p2 ip link set address...

Linux kernel Network Device Driver Heap Buffer Overflow DoS

The vulnerability of the macvlangetsize function in the drivers/net/macvlan.c file of the Linux kernel’s network device driver module is related to incorrect calculation of the buffer size. Exploiting this vulnerability could allow an attacker to cause a service failure...

CVE-2026-74743

A flaw was found in the Linux kernel's macvlan component. The macvlan component incorrectly initializes network packet buffer skb headroom and tailroom values, failing to inherit them from the underlying network device. This can occur when the underlying device requires additional space for heade...

EUVD-2026-66573

In the Linux kernel, the following vulnerability has been resolved: macvlan: inherit neededheadroom and neededtailroom from lowerdev macvlan devices inherit hardheaderlen from lowerdev during macvlaninit, but leave neededheadroom and neededtailroom set to 0. When the underlying lowerdev requires...

SUSE CVE-2026-74743

In the Linux kernel, the following vulnerability has been resolved: macvlan: inherit neededheadroom and neededtailroom from lowerdev macvlan devices inherit hardheaderlen from lowerdev during macvlaninit, but leave neededheadroom and neededtailroom set to 0. When the underlying lowerdev requires...

CVE-2026-74743

In the Linux kernel, the following vulnerability has been resolved: macvlan: inherit neededheadroom and neededtailroom from lowerdev macvlan devices inherit hardheaderlen from lowerdev during macvlaninit, but leave neededheadroom and neededtailroom set to 0. When the underlying lowerdev requires...

AZL-97782 CVE-2026-74743 affecting package kernel for versions less than 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: macvlan: inherit neededheadroom and neededtailroom from lowerdev macvlan devices inherit hardheaderlen from lowerdev during macvlaninit, but leave neededheadroom and neededtailroom set to 0. When the underlying lowerdev requires...

UBUNTU-CVE-2026-74743

In the Linux kernel, the following vulnerability has been resolved: macvlan: inherit neededheadroom and neededtailroom from lowerdev macvlan devices inherit hardheaderlen from lowerdev during macvlaninit, but leave neededheadroom and neededtailroom set to 0. When the underlying lowerdev requires...