CVE-2026-64108 cifs: Fix busy dentry used after unmounting

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix busy dentry used after unmounting Since commit 340cea84f691c "cifs: open files should not hold ref on superblock", cifs file only holds the dentry refcnt, the cifs file close workcfile-deferred could be executed after...

CVE-2026-64061 netfs: Fix early put of sink folio in netfs_read_gaps()

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix early put of sink folio in netfsreadgaps Fix netfsreadgaps to release the sink page it uses after waiting for the request to complete. The way the sink page is used is that an ITERBVEC-class iterator is created that ha...

CVE-2026-63909 ksmbd: OOB read regression in smb_check_perm_dacl() ACE-walk loops

In the Linux kernel, the following vulnerability has been resolved: ksmbd: OOB read regression in smbcheckpermdacl ACE-walk loops Commit d07b26f39246 "ksmbd: require minimum ACE size in smbcheckpermdacl" introduced a transposed bounds check: if offsetofstruct smbace, sid + acessize size offset 2...

OESA-2026-3032 cifs-utils security update

The in-kernel CIFS filesystem is generally the preferred method for mounting SMB/CIFS shares on Linux. Security Fixes: A flaw was found in the cifs-utils package where the cifs.upcall helper fails to securely drop its root privileges before looking up user information inside a user-controlled...

OESA-2026-3031 cifs-utils security update

The in-kernel CIFS filesystem is generally the preferred method for mounting SMB/CIFS shares on Linux. Security Fixes: A flaw was found in cifs-utils. When trying to obtain Kerberos credentials, the cifs.upcall program from the cifs-utils package makes an upcall to the wrong namespace in...

OESA-2026-3028 cifs-utils security update

The in-kernel CIFS filesystem is generally the preferred method for mounting SMB/CIFS shares on Linux. Security Fixes: A flaw was found in the cifs-utils package where the cifs.upcall helper fails to securely drop its root privileges before looking up user information inside a user-controlled...

OESA-2026-3029 cifs-utils security update

The in-kernel CIFS filesystem is generally the preferred method for mounting SMB/CIFS shares on Linux. Security Fixes: A flaw was found in cifs-utils. When trying to obtain Kerberos credentials, the cifs.upcall program from the cifs-utils package makes an upcall to the wrong namespace in...

OESA-2026-3030 cifs-utils security update

The in-kernel CIFS filesystem is generally the preferred method for mounting SMB/CIFS shares on Linux. Security Fixes: A flaw was found in cifs-utils. When trying to obtain Kerberos credentials, the cifs.upcall program from the cifs-utils package makes an upcall to the wrong namespace in...

PT-2026-61378

Name of the Vulnerable Software and Affected Versions Linux kernel version 7.0.0 Description A use-after-free issue exists in the netfs read gaps function. The problem occurs because the sink page is released prematurely before the request completes. This sink page is used within an ITER BVEC-cla...

PT-2026-61454

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the SMB client where the CIFS GENL CMD SWN NOTIFY userspace witness-notify command lacks a capability flag. This allows any local process to send RESOURCE CHANGE or CLIE...

MiracleLinux 8 : cifs-utils-7.0-5.el8_10 (AXSA:2026-1282:04)

The remote MiracleLinux 8 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2026-1282:04 advisory. cifs-utils: local privilege escalation via forged cifs.spnego key description in cifs.upcall CVE-2026-12505 Bug Fixes and Enhancements: add sssd method for...

SUSE SLES12 Security Update : kernel (Live Patch 78 for SUSE Linux Enterprise 12 SP5) (SUSE-SU-2026:3066-1)

The remote SUSE Linux SLES12 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3066-1 advisory. This update for the SUSE Linux Enterprise Kernel 4.12.14-122.296 fixes various security issues The following security issues were fixed: -...

SUSE-SU-2026:22751-1 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-2026:22685-1 Security update for the Linux Kernel (Live Patch 19 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-42.1 fixes various security issues The following security issues were fixed: - CVE-2026-23393: bridge: cfm: Fix race condition in peermep deletion bsc1260524. - CVE-2026-31505: iavf: fix out-of-bounds writes in iavfgetethtoolstats bsc1263094....

SUSE-SU-2026:22714-1 Security update for the Linux Kernel RT (Live Patch 19 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-41.1 fixes various security issues The following security issues were fixed: - CVE-2026-23393: bridge: cfm: Fix race condition in peermep deletion bsc1260524. - CVE-2026-31505: iavf: fix out-of-bounds writes in iavfgetethtoolstats bsc1263094....

SUSE-SU-2026:22710-1 Security update for the Linux Kernel (Live Patch 24 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-47.1 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 bond up/dow...

SUSE-SU-2026:3067-1 Security update for the Linux Kernel (Live Patch 83 for SUSE Linux Enterprise 12 SP5)

This update for the SUSE Linux Enterprise Kernel 4.12.14-122.310 fixes various security issues The following security issues were fixed: - CVE-2026-43037: ip6tunnel: clear skb2-cb in ip4ip6err bsc1265197. - CVE-2026-45970: bonding: alb: fix UAF in rlbarprecv during bond up/down bsc1267206. -...

Amazon Linux 2023 : cifs-utils, cifs-utils-devel, cifs-utils-info (ALAS2023-2026-1927)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-1927 advisory. Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number. %NASLMINLEVEL 80900 C Tenable, Inc. The descriptive text and package checks...

Oracle Linux 9 : cifs-utils (ELSA-2026-39576)

The remote Oracle Linux 9 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-39576 advisory. 7.6-2 - resolves: RHEL-192982 - fix krb5 mount regression 7.6-1 - Update to version 7.6 - resolves: RHEL-185761 - CVE-2026-12505 cifs-utils: LPE via cifs.spneg...