OESA-2026-2871 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntrackexpect: use expect-helper Use expect-helper in ctnetlink and /proc to dump the helper name. Using nfcthelp without holding a reference to t...

SUSE-SU-2026:22433-1 Security update for the Linux Kernel

The SUSE Linux Enterprise Micro 6.0 and 6.1 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2025-10263: arm64: errata: Mitigate TLBI errata on various Arm CPUs bsc1266290. - CVE-2025-38549: efivarfs: Fix memory leak of efivarfsfsinfo in...

SUSE-SU-2026:22458-1 Security update for the Linux Kernel

The SUSE Linux Enterprise Micro 6.0 and 6.1 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2025-10263: arm64: errata: Mitigate TLBI errata on various Arm CPUs bsc1266290. - CVE-2025-38549: efivarfs: Fix memory leak of efivarfsfsinfo in...

kernel: xfs: fix freemap adjustments when adding xattrs to leaf blocks

A flaw was found in the Linux kernel's XFS filesystem. When adding extended attributes xattrs, which are metadata associated with files, to leaf blocks, incorrect adjustments to the freemap can occur. This inconsistency allows the entries array and free space to overlap, leading to an assertion...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: xfs: fixed a Use-after-Free UAF in xchkbtreecheckblockowner. We cannot dereference bs-cur when trying to determine whether bs-cur aliases bs-sc-sa.bno,rmapcur after the latter has been freed. This issue was fixed by introducing a...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: xfs: fixed a UAF Use-After-Value issue in xattr repair. The xchksetupxattrbuf function can allocate a new value buffer; therefore, any reference to ab-value before the call could become a dangling pointer. This issue was fixed...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: xfs: Check for deleted cursors when revalidating two btrees. The free space and inode btree repair functions will rebuild both btrees at the same time. After that, it is necessary to evaluate both btrees to confirm that the...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: xfs: removed xfsattrleafhasname The calling convention of xfsattrleafhasname is problematic because it returns a NULL buffer when xfsattr3leafread fails, a valid buffer when xfsattr3leaflookupint returns -ENOATTR or -EEXIST, and ...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: xfs: fixed issues with freemap adjustments when adding xattrs to leaf blocks. Both xfs/592 and xfs/794 fail this assertion in the leaf block freemap adjustment code after approximately 20 minutes of running on my test VMs. Upo...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: xfs: Eliminate attribute leaf freemap entries when empty Back in commit 2a2b5932db6758 “xfs: fix attribute leaf header freemap.size underflow”, Brian Foster observed that it’s possible for a small freemap at the end of the xattr...

SUSE-SU-2026:2482-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP7 kernel was updated to fix various security issues The following security issues were fixed: - CVE-2025-38549: efivarfs: Fix memory leak of efivarfsfsinfo in fscontext error paths bsc1248235. - CVE-2025-68324: scsi: imm: Fix use-after-free bug caused by unfinished...

kernel: xfs: fix freemap adjustments when adding xattrs to leaf blocks

A flaw was found in the Linux kernel's XFS filesystem. When adding extended attributes xattrs, which are metadata associated with files, to leaf blocks, incorrect adjustments to the freemap can occur. This inconsistency allows the entries array and free space to overlap, leading to an assertion...

Important: Red Hat Security Advisory: kernel security, bug fix, and enhancement update

An update for kernel is now available for Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions. 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...

Critical: Red Hat Security Advisory: kernel security, bug fix, and enhancement update

An update for kernel 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 Critical. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

RHEL 9 : kernel (RHSA-2026:27708)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:27708 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: smc: Fix use-after-free in...

RHEL 7 : kernel (RHSA-2026:27729)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:27729 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: Linux kernel: Denial of servi...

RHEL 9 : kernel (RHSA-2026:27735)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:27735 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: libceph: make decodepool more...

RHEL 8 : kernel (RHSA-2026:26570)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:26570 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: geneve: Fix use-after-free in...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerabilit...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring Syst...