CVE-2026-64379

In the Linux kernel, the following vulnerability has been resolved: smb: client: mask server-provided mode to 07777 in modefromsid When modefromsid is active, parsedacl applies the server-provided subauth2 value from the NFS mode SID to cfmode without masking to 07777. Apply the correct masking,...

CVE-2026-64379

The CVE-2026-64379 issue affects the Linux kernel SMB client: when modefromsid is active, parse_dacl() could apply the server-provided NFS mode SID sub_auth[2] to cf_mode without masking to 07777. The root cause is missing masking in cf_mode; the fix applies the correct masking (07777) the same a...

EUVD-2026-48923

In the Linux kernel, the following vulnerability has been resolved: smb: client: mask server-provided mode to 07777 in modefromsid When modefromsid is active, parsedacl applies the server-provided subauth2 value from the NFS mode SID to cfmode without masking to 07777. Apply the correct masking,...

PT-2026-64622

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the SMB client. The cifs swn notify function retrieves a witness registration by ID using the cifs swnreg idr mutex mutex, releases the mutex, and...

Linux Distros Unpatched Vulnerability : CVE-2026-64385

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - smb: client: fix double-free in SMB2ioctl replay A response-bearing attempt can return a replayable error and free its response buffer. If SMB2ioctlinit fails...

PT-2026-64600

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the SMB client where the parse dacl function fails to mask the server-provided sub auth2 value from the NFS mode SID to 07777 when modefromsid is active. This value is...

Linux Distros Unpatched Vulnerability : CVE-2026-64386

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - smb: client: fix queryinfo replay double-free A response-bearing attempt can return a replayable error and free its response buffer. If SMB2queryinfoinit fails...

PT-2026-64608

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A double-free issue exists in the SMB client. A response-bearing attempt may return a replayable error and free its response buffer. If the SMB2 query directory init function fails befor...

Linux Distros Unpatched Vulnerability : CVE-2026-64380

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - smb: client: harden POSIX SID length parsing posixinfosidsize reads sid1 to obtain the subauthority count, but its existing boundary check still accepts buffers...

Linux Distros Unpatched Vulnerability : CVE-2026-64448

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - smb: client: restrict implied bcc0 exemption to responses without data area smb2checkmessage has a long-standing quirk that accepts a response whose calculated...

MiracleLinux 9 : kernel-5.14.0-687.13.1.el9_8 (AXSA:2026-1341:52)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-1341:52 advisory. kernel: smb: client: fix OOB reads parsing symlink error response CVE-2026-31613 kernel: Buffer overflow in drivers/xen/sys-hypervisor.c...

CVE-2026-64136

A flaw was found in the Linux kernel's Server Message Block SMB client. A missing lock around the tccount increment in the smb2findsmbsesstconunlocked function creates a race condition. This vulnerability, caused by an incomplete refactoring of locking mechanisms, could lead to unexpected behavio...

Linux Distros Unpatched Vulnerability : CVE-2026-64136

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - smb: client: protect tccount increment in smb2findsmbsesstconunlocked Commit 96c4af418586 cifs: Fix locking usage for tcon fields refactored cifs code to change...

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...

CVE-2026-64136

In the Linux kernel, the following vulnerability has been resolved: smb: client: protect tccount increment in smb2findsmbsesstconunlocked Commit 96c4af418586 "cifs: Fix locking usage for tcon fields" refactored cifs code to change cifstcpseslock for tclock around tccount changes. There was missin...

CVE-2026-64136

In the Linux kernel, the following vulnerability has been resolved: smb: client: protect tccount increment in smb2findsmbsesstconunlocked Commit 96c4af418586 "cifs: Fix locking usage for tcon fields" refactored cifs code to change cifstcpseslock for tclock around tccount changes. There was missin...

SUSE SLES12 Security Update : kernel (Live Patch 74 for SUSE Linux Enterprise 12 SP5) (SUSE-SU-2026:3065-1)

The remote SUSE Linux SLES12 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3065-1 advisory. This update for the SUSE Linux Enterprise Kernel 4.12.14-122.280 fixes various security issues The following security issues were fixed: -...

SUSE-SU-2026:22871-1 Security update for the Linux Kernel (Live Patch 12 for SUSE Linux Enterprise 16)

This update for the SUSE Linux Enterprise Kernel 6.12.0-160000.33.1 fixes various security issues The following security issues were fixed: - CVE-2026-45970: bonding: alb: fix UAF in rlbarprecv during bond up/down bsc1267206. - CVE-2026-46120: ip6gre: Use cached t-net in ip6erspanchangelink...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.16.66 bug fix and security update

Red Hat OpenShift Container Platform release 4.16.66 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.16. Red Hat Product Security has rated this update as having a...

SUSE-SU-2026:3075-1 Security update for the Linux Kernel (Live Patch 15 for SUSE Linux Enterprise 15 SP7)

This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.53.55 fixes various security issues The following security issues were fixed: - CVE-2026-43501: ipv6: rpl: reserve maclen headroom when recompressed SRH grows bsc1266015. - CVE-2026-45970: bonding: alb: fix UAF in rlbarprecv during bon...