cifs-utils: local privilege escalation via forged cifs.spnego key description in cifs.upcall

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 environment. A local, low privileged attacker can exploit this by using a crafted requestkey payload to trick the root-own...

Important: Red Hat Security Advisory: cifs-utils security, bug fix, and enhancement update

An update for cifs-utils is now available for Red Hat Enterprise Linux 8. 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 for each vulnerability fro...

Important: cifs-utils security, bug fix, and enhancement update

The SMB/CIFS protocol is a standard file sharing protocol widely deployed on Microsoft Windows machines. The cifs-utils packages contain tools for mounting shares on Linux using the SMB/CIFS protocol. The tools in this package work in conjunction with support in the kernel to allow one to mount a...

cifs-utils security, bug fix, and enhancement update

7.0-5 - resolves: RHEL-192933 - fix krb5 mount regression 7.0-4 - cifs.upcall: remove getpwuid dependency - cifs.upcall: fix compiler warning with -Wvla - Resolves: RHEL-185759 - Fix CVE-2026-12505 7.0-3 - docs: update echointerval description - Resolves: RHEL-80397 7.0-2 - mount.cifs.rst: add...

ALSA-2026:39576 Important: cifs-utils security, bug fix, and enhancement update

The SMB/CIFS protocol is a standard file sharing protocol widely deployed on Microsoft Windows machines. The cifs-utils packages contain tools for mounting shares on Linux using the SMB/CIFS protocol. The tools in this package work in conjunction with support in the kernel to allow one to mount a...

RockyLinux 9 : cifs-utils (RLSA-2026:39576)

The remote RockyLinux 9 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:39576 advisory. cifs-utils: local privilege escalation via forged cifs.spnego key description in cifs.upcall CVE-2026-12505 Bug Fixes and Enhancements: cifs-utils: regression wi...

RHEL 8 : cifs-utils (RHSA-2026:39575)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:39575 advisory. The SMB/CIFS protocol is a standard file sharing protocol widely deployed on Microsoft Windows machines. The cifs-utils packages contain tools for...

Important: cifs-utils security, bug fix, and enhancement update

The SMB/CIFS protocol is a standard file sharing protocol widely deployed on Microsoft Windows machines. The cifs-utils packages contain tools for mounting shares on Linux using the SMB/CIFS protocol. The tools in this package work in conjunction with support in the kernel to allow one to mount a...

cifs-utils security, bug fix, and enhancement update

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.spnego...

ALSA-2026:39575 Important: cifs-utils security, bug fix, and enhancement update

The SMB/CIFS protocol is a standard file sharing protocol widely deployed on Microsoft Windows machines. The cifs-utils packages contain tools for mounting shares on Linux using the SMB/CIFS protocol. The tools in this package work in conjunction with support in the kernel to allow one to mount a...

AlmaLinux 8 : cifs-utils (ALSA-2026:39575)

The remote AlmaLinux 8 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:39575 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 mappin...

RHEL 9 : cifs-utils (RHSA-2026:39576)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:39576 advisory. The SMB/CIFS protocol is a standard file sharing protocol widely deployed on Microsoft Windows machines. The cifs-utils packages contain tools for...

Security update for the Linux Kernel (Live Patch 76 for SUSE Linux Enterprise 12 SP5)

This update for the SUSE Linux Enterprise Kernel 4.12.14-122.290 fixes various security issues The following security issues were fixed: CVE-2026-31685: netfilter: ip6teui64: reject invalid MAC header for all packets bsc1263670. CVE-2026-43025: netfilter: ctnetlink: ignore explicit helper on new...

SUSE-SU-2026:2955-1 Security update for the Linux Kernel (Live Patch 71 for SUSE Linux Enterprise 12 SP5)

This update for the SUSE Linux Enterprise Kernel 4.12.14-122.269 fixes various security issues The following security issues were fixed: - CVE-2026-31685: netfilter: ip6teui64: reject invalid MAC header for all packets bsc1263670. - CVE-2026-43025: netfilter: ctnetlink: ignore explicit helper on...

Oracle Linux 8 : kernel (ELSA-2026-33743)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-33743 advisory. - fs/smb/client: fix out-of-bounds read in cifssanitizeprepath CKI Backport Bot RHEL-189506 CVE-2026-43112 - Enable workaround for ARM64 ERRATUM 41184...

Security update for the Linux Kernel (Live Patch 53 for SUSE Linux Enterprise 15 SP4)

This update for the SUSE Linux Enterprise Kernel 5.14.21-150400.24.214 fixes various security issues The following security issues were fixed: CVE-2026-23393: bridge: cfm: Fix race condition in peermep deletion bsc1260524. CVE-2026-31533: net/tls: fix use-after-free in -EBUSY error path of...

USN-8496-3 cifs-utils vulnerability

USN-8496-1 fixed vulnerabilities in cifs-utils. The update caused a regression and was backed out in USN-8496-2. This update reintroduces the security fix, along with a fix for the regression. Original advisory details: It was discovered that cifs-utils incorrectly dropped root privileges before...

USN-8496-3: cifs-utils vulnerability

USN-8496-1 fixed vulnerabilities in cifs-utils. The update caused a regression and was backed out in USN-8496-2. This update reintroduces the security fix, along with a fix for the regression. Original advisory details: It was discovered that cifs-utils incorrectly dropped root privileges before...

Security update for the Linux Kernel (Live Patch 44 for SUSE Linux Enterprise 15 SP4)

This update for the SUSE Linux Enterprise Kernel 5.14.21-150400.24.176 fixes various security issues The following security issues were fixed: CVE-2025-71089: iommu: disable SVA when CONFIGX86 is set bsc1256615. CVE-2026-23393: bridge: cfm: Fix race condition in peermep deletion bsc1260524...

SUSE-SU-2026:2889-1 Security update for the Linux Kernel (Live Patch 44 for SUSE Linux Enterprise 15 SP4)

This update for the SUSE Linux Enterprise Kernel 5.14.21-150400.24.176 fixes various security issues The following security issues were fixed: - CVE-2025-71089: iommu: disable SVA when CONFIGX86 is set bsc1256615. - CVE-2026-23393: bridge: cfm: Fix race condition in peermep deletion bsc1260524. -...