kernel: smb: client: Fix use-after-free in cifs_fill_dirent

A use-after-free flaw was found in cifsfilldirent in fs/cifs/readdir.c in smb client in the Linux Kernel. This flaw could allow an attacker to crash the system due to race problem. This vulnerability could even lead to a kernel information leak problem...

Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: smb: client: Fix use-after-free in cifsfilldirent CVE-2025-38051 kernel: smb: client: let recvdone verify dataoffset, datalength and remainingdatalength CVE-2025-39933 kernel: drm/i915:...

RHEL 8 : kernel (RHSA-2026:0759)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:0759 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: smb: client: Fix use-after-fre...

CLSA-2026-1768774361 kernel: Fix of 31 CVEs

ip6vti: fix slab-use-after-free in decodesession6 CVE-2023-53821 - ACPICA: Add AMLNOOPERANDRESOLVE flag to Timer CVE-2023-53395 - wifi: mac80211hwsim: drop short frames CVE-2023-53321 - ext4: add bounds checking in getmaxinlinexattrvaluesize CVE-2023-53285 - md/raid10: fix null-ptr-deref in...

CLSA-2026-1768663754 kernel: Fix of 38 CVEs

ALSA: usb-audio: Fix out-of-bounds read in sndusbgetaudioformatuac3 CVE-2025-38249 - drm/i915/gt: Fix timeline left held on VMA alloc error CVE-2025-38389 - md/raid1: Fix stack memory use after return in raid1reshape CVE-2025-38445 - atm: clip: Fix infinite recursive call of clippush...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003610)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003610 advisory. An issue was discovered in the Linux kernel before 5.0.10. SMB2negotiate in fs/cifs/smb2pdu.c has an out- of-bounds read because data structures are incompletely...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-003789)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003789 advisory. An issue was discovered in the Linux kernel before 5.0.10. SMB2read in fs/cifs/smb2pdu.c has a use-after- free. NOTE: this was not fixed correctly in 5.0.10; see the...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003587)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003587 advisory. An issue was discovered in the Linux kernel before 5.0.10. SMB2read in fs/cifs/smb2pdu.c has a use-after- free. NOTE: this was not fixed correctly in 5.0.10; see the...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-001334)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001334 advisory. Linux kernel CIFS implementation, version 4.9.0 is vulnerable to a relative paths injection in directory entry lists. Tenable has extracted the preceding description...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003746)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003746 advisory. Linux kernel CIFS implementation, version 4.9.0 is vulnerable to a relative paths injection in directory entry lists. Tenable has extracted the preceding description...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001847)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001847 advisory. Off-by-one error in the builduncpathtoroot function in fs/cifs/connect.c in the Linux kernel before 3.9.6 allows remote attackers to cause a denial of service memory...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002303)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002303 advisory. The cifsiovecwrite function in fs/cifs/file.c in the Linux kernel through 3.13.5 does not properly handle uncached write operations that copy fewer than the requeste...

RHEL 8 : kernel (RHSA-2026:0643)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:0643 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: smb: client: Fix use-after-fre...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-002384)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002384 advisory. Race condition in the smbsendrqst function in fs/cifs/transport.c in the Linux kernel before 3.7.2 allows local users to cause a denial of service NULL pointer...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 9.0 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...

kernel: smb: client: Fix use-after-free in cifs_fill_dirent

A use-after-free flaw was found in cifsfilldirent in fs/cifs/readdir.c in smb client in the Linux Kernel. This flaw could allow an attacker to crash the system due to race problem. This vulnerability could even lead to a kernel information leak problem...

kernel: smb: client: fix potential UAF in cifs_stats_proc_write()

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential UAF in cifsstatsprocwrite Skip sessions that are being teared down status == SESEXITING to avoid UAF...

MiracleLinux 4 : cifs-utils-4.8.1-10.AXS4 (AXSA:2012-595:02)

The remote MiracleLinux 4 host has a package installed that is affected by a vulnerability as referenced in the AXSA:2012-595:02 advisory. The SMB/CIFS protocol is a standard file sharing protocol widely deployed on Microsoft Windows machines. This package contains tools for mounting shares on...

RHEL 8 : kernel (RHSA-2026:0536)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:0536 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: smb: client: Fix use-after-fre...

RHEL 9 : kernel (RHSA-2026:0576)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:0576 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: can: j1939: prevent deadlock b...