Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Tunnels: Fixed an out-of-bounds access issue when building IPv6 PMTU errors. If the ICMPv6 error is generated using a non-linear skb, the following issues occur: BUG: KASAN: Out-of-bounds access in docsum+0x220/0x240 Reading o...

CVE-2026-68385

CVE-2026-68385 concerns the Linux kernel on s390 where the checksum calculation in csum_partial() can be incorrect on systems without a vector facility. The code path falls back to csum(dst, …) via csum_copy() with copy=false and dst=NULL, which causes the checksum to be derived from address zero...

CVE-2026-68385 s390/checksum: Fix csum_partial() without vector facility

In the Linux kernel, the following vulnerability has been resolved: s390/checksum: Fix csumpartial without vector facility Currently csumpartial calls csumcopy with copy=false and dst=NULL. On machines without the vector facility, csumcopy falls back to cksmdst, ..., causing the checksum to be...

CVE-2026-68296 net: gre: fix lltx regression for GRE tunnels with SEQ/CSUM

In the Linux kernel, the following vulnerability has been resolved: net: gre: fix lltx regression for GRE tunnels with SEQ/CSUM Before commit 00d066a4d4ed "netdevfeatures: convert NETIFFLLTX to dev-lltx", NETIFFLLTX was set unconditionally in both gretunnelinit and ip6gretnlinitfeatures alongside...

EulerOS 2.0 SP15 : kernel (EulerOS-SA-2026-2889)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : mm: blk-cgroup: fix use-after-free in cgwbreleaseworkfnCVE-2026-31586 e1000/e1000e: Fix leak in DMA error cleanupCVE-2026-43445 futex: Clear stale...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache CVE-2026-31402 In the Linux kernel, the following vulnerability has been resolved: ext4: validate pidx bounds in ext4extcorrectindexes CVE-2026-31449 In the Lin...

Important: Red Hat Security Advisory: kernel-rt security update

An update for kernel-rt is now available for Red Hat Enterprise Linux 7 Extended Lifecycle Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available...

Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2026-124 (ALASKERNEL-5.10-2026-124)

"The version of kernel installed on the remote host is prior to 5.10.259-258.1043. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.10-2026-124 advisory. In the Linux kernel, the following vulnerability has been resolved: net/sched: teql: Fix double-free i...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net/sched: teql: Fix double-free in teqlmasterxmit CVE-2026-23449 In the Linux kernel, the following vulnerability has been resolved: ext4: validate pidx bounds in ext4extcorrectindexes CVE-2026-31449 In the Linux...

CVE-2026-46046

The CVE reports a refcount leak in ext4_xattr_inode_dec_ref_all() due to not releasing iloc with brelse() after ext4_get_inode_loc(), fixed by commit c8e008b6. OSV entries show patches in Root:Ubuntu 22.04/24.04, Debian, Debian-based RootIO builds, and openSUSE kernel-devel 7.0.11-1.1 for GA medi...

can: gw: fix OOB heap access in cgw_csum_crc8_rel()

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CVE-2026-31684

The CVE-2026-31684 issue is in the Linux kernel’s net/sched pathology (act_csum) where tcf_csum_act() reads nested VLAN headers directly from skb->data if the payload contains VLAN tags, and may read VLAN_HLEN bytes before guaranteeing the full header is present. The root cause is that the cod...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the nested VLAN headers in actcsum not being linearly present. This vulnerability may lead to the...

The vulnerability of the do_csum() function in the arch/arm64/lib/csum.c module, which is part of the ARM 64-bit kernel support for the Linux operating system, allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the docsum function in the arch/arm64/lib/csum.c module, which is part of the ARM 64-bit kernel support for the Linux operating system, involves reading beyond the buffer boundaries. Exploiting this vulnerability could allow an attacker to compromise the confidentiality,...

Azure Linux 3.0 Security Update: kernel (CVE-2025-38059)

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-2025-38059 advisory. - In the Linux kernel, the following vulnerability has been resolved: btrfs: avoid NULL pointer dereference if...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-989774)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989774 advisory. In the Linux kernel, the following vulnerability has been resolved: ipgre: test csumstart instead of transport header GRE with TUNNELCSUM will apply local checksum...

CVE-2023-53726

In the Linux kernel, the following vulnerability has been resolved: arm64: csum: Fix OoB access in IP checksum code for negative lengths Although commit c2c24edb1d9c "arm64: csum: Fix pathological zero-length calls" added an early return for zero-length input, syzkaller has popped up with an...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-414297)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-414297 advisory. An issue was discovered in the Linux kernel before 6.3.3. There is an out-of-bounds read in crc16 in lib/crc16.c when called from fs/ext4/super.c because...

CVE-2023-53439

In the Linux kernel, the following vulnerability has been resolved: net: skbpartialcsumset fix against transport header magic value skb-transportheader uses the special 0xFFFF value to mark if the transport header was set or not. We must prevent callers to accidentaly set skb-transportheader to...

UBUNTU-CVE-2023-53439

In the Linux kernel, the following vulnerability has been resolved: net: skbpartialcsumset fix against transport header magic value skb-transportheader uses the special 0xFFFF value to mark if the transport header was set or not. We must prevent callers to accidentaly set skb-transportheader to...